Boyer Ignition Timing Triumph

Boyer- electronic ignition. This may sound even goofier to you, SteveI set the ignition timing by ear, feel (engine vibration at 3000 rpm) and road performance using the manifold vacuum at idle as a reference point. Trace them from the timing marks you already have to get the right spacing. With older machines, the coils have a high primary resistance and require a long switch on time. Before you buy, take some time to read through customer reviews. Sometimes people confuse ignition timing with valve timing, but valve timing is as likely to be adjusted. The Boyer has to be checked with a timing light. The Boyer Electronic Ignition electronically advances your timing to get optimum performance out of your British motorcycle. However, because the Micro Digital features a built in computer, the size of a postage stamp, it can make more than a million ignition. The best method is to use a BOYER SINGLE PHASE POWER BOX this replaces these. In the sections below you will find complete electronic ignitions systems along with electronic ignition parts for most Triumph, BSA, and Norton motorcycles. We use these coils on our builds and they are virtually bulletproof. Hello everyone, I have read much about Ignition timing in this forum but I have still some questions that I would like to ask you about as I am not quite sure if I understand everything right. All systems are carefully hand built in the UK and we pride ourselves on supplying hardy products that last. Timing Adjustment for the Boyer Bransden Ignition The timing requires the use of a strobe light. in any way. The later the points open, the later the spark comes and retards the timing. Triumph Spitfire 1500 Ignition System, How To Set The Ignition Timing On A Triumph Acclaim, 1979 Triumph Spitfire Ignition Test show more show less 0 Comments and 0 replies. It reads: Remove black wire from negative terminal of ignition coil and replace with blue wire from ignition unit. just a quick video of the hardware setup. triplesonline. No points, no timing, no hassle! In most cases there is no complicated ignition timing set-up or strobe light needed. Discount prices on Triumph Ignition Systems at America's leading site. Low power consumption ideal for competition machines using a total loss (battery only) system. Популярные фильмы. Details about triumph 3ta 5ta t100 side points- timing cover -c/w boyer branson elec ignition. The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. They make after market electronic ignition systems to replace points or indeed update older electronic systems. It is not possible to set the ignition timing using a timing disc alone. I have joined to get help to set the ignition timing on a 45degree vee twin. what i'm looking for is some sort of marker that i can use when using a strobe. This is usually done whenever the points are serviced. 'Lucas Copy' ignition coil for Triumph 500, 650 and 750 motorcycles from 1963-1966. Triumph T120R engine rebuild from start to finish. Ignition Timing: Points open @ 13 degrees TBDC Static/Idle 100 octane. Our price £345. Motorcycle Classics tech expert Keith Fellenstein solves more Boyer ignition troubles, this time on a 1970 Triumph Bonneville. Then turn dissy until I get flash from timing light, should be exactly same timing as before. The essence of ignition timing, whether it's static or dynamic, is to ensure the spark igniting the fuel vapors happens at the correct time. Now if this were a 12 cylinder Ferrari engine, I might not be so cavalier about setting the ignition timing, but it ain't. We specialize in import auto parts. If you are coming from a modern bike to the Veteran, Vintage or Post-Vintage (in fact up until about 1955) scene you might not even be aware of the control of ignition timing, for on a modern bike it will be automatically taken care of electronically. Boyer Bransden Micro Digital Electronic Ignition for Triumph and BSA Unit Twins with 12 Volt electrics. Eliminates Stock Points System Providing Precise Timing For More Even Idle And Throttle Response. Dec 17, 2019 - Honda CT90 Owners Manual - Free download as PDF File (. Ignition Timing - Initial Procedure. It is also possible to alter the timing for each cylinder individually if necessary. Boyer Bransden Electronic Ignition System Micro MKIV - CS-3576. Timing Cover & Contents (115) Bottom End, Overhaul Kits (5) Stainless Hardware (99) ALTON AC GENERATOR, PRE UNIT TRIUMPH. Discount prices on Triumph TR8 Ignition Systems at America's leading site. That was 12. Start by advancing the timing just 1/16th of a turn. PHOTO SHOWS DAMAGED SPROCKETS ON THE LEFT ; THE GOOD SPROCKETS ON THE RIGHT ARE JUST FOR COMPARISON. Jan 08, 2008 · Google "Boyer Bransden" for a local supplier. Boyer Bransden Micro Power Micro Digital Ignition System Features: Programmed digital advance curve, Low power draw, special high output coil (45KV). 'Lucas Copy' ignition coil for Triumph 500, 650 and 750 motorcycles from 1963-1966. Mechanical Ignition Handbook $ 24. Pazon Smart-Fire fully digital, 12-volt electronic ignition system designed for competition and high-performance street motorcycles. Emission Control System- Ignition and Carburetter Settings-Spitfire 1500 Idle speed (rev/min) 800 to 850 Ignition timing, static 10 deg. ktm 500 2t ignition timing : mark wakefield said 2008-08-23 01:21 : can any body help me on the setup for this bike its an 86 model : Answer this message Show discussion overview. Part No: ACG04. Boyer MK3 Ignition Kit Suitable for BSA/Triumph Single Cylinder 12V Models with Lucas 15D1 Distributor; Triumph T15 Terrier / T20 Tiger Cub 1954-63 BSA C15 / SS80 1958-63 BSA B40 / SS90 1961-63 These kits are used to replace the original Lucas Points Plate Assembly (and Condensers) and the Advance and Retard Mechanism, The Boyer Bransden. Other systems for Tiger Cub - BSA - Triumph Twins are being worked on, together with a 12 volt lighting ignition for single and twin spark machines. It offers electronic control of advance and retard functions. This is the full engine rebuild I carried out on my bike, it is long over due a rebore and regrind but to get those few extra miles and another season out of it it got big end shells a set of rings and a clean sludge trap. Dealer Triumph Rocket III. We specialize in import auto parts. The Triumph method is different from the way timing is “set” for most other makes. Triumph Auto TR2 TR3 TR3A TR3B TR4 TR250 TR5 TR6 Spitfire TR-2 TR-3 TR-3A TR-3 TR-3B TR-4 TR-5 TR-250 TR-6 1500 LBC Little British Cars english Ignition Timing. Check that the two ignition wires from timing cover to the front frame tube has a minimum 2 inch (50mm) of free play. built in best-selected timing curve and increases 500 RPM than stock CDI fits: T1290041, T1292365, T1292950, T129110, T1291150, T1292370, T1292060, T1292960, T1292375 Comes brand new in the box with 1 year warranty!. Boyer Bransden Electronic Ignition System Micro MKIV - CS-3576. This is to minimise electrical noise in the wires running along the frame bottom rail to the battery box. View Smart-Fire Products Here. The changes are designed to improve the timing stability if engine starting with a very low or variable battery voltage. The number of degrees varies from car to car (again consult the handbook). In the image I've put the letters TDC at the TDC mark of. Boyer Bransden Micro Digital Electronic Ignition for Triumph and BSA Unit Twins with 12 Volt electrics. Charge up your battery. This may sound even goofier to you, SteveI set the ignition timing by ear, feel (engine vibration at 3000 rpm) and road performance using the manifold vacuum at idle as a reference point. Effect of Ignition Timing on Fuel Consumption and Emissions RESULTS AND DISCUSSION Engine Fuel Consumption Performance The ignition advance timing set to give MBT for wide-open,65 % and 40 % throttle setting with various AFRJ£s for reference tests are shown in Fig. Attention! Before adding an item to your cart, be sure the item fits your vehicle. Nicholson taught me a long time ago, just do it. Our old cars that used this system also had a distributor to direct the spark to the right cylinder. To Provide Best Results It Is Recomended That 6volt Coils Are Used. points if use of the switch is still desired. Part No: ACG04. Now if this were a 12 cylinder Ferrari engine, I might not be so cavalier about setting the ignition timing, but it ain't. At this point I checked to make sure all ignition wires were intact, gas in the tank, no leaks, fuses OK, etc. 1978 R100/7 Boyer Bransden MkIII Electronic ignition Does anyone have this system installed on their bike? I recently have pried my VISA out of my wallet and rebuilt my transmission, and sent the engine off to Dave Campbell in Santee to have the oil seals replaced, and now I can't get her to start up. The primary is a solid case unit, it doesn't have the three screw plate or the X inspection cap. On the FMJ style magnetos, There are 2 teeth with bevels on the magneto side and a tooth with a timing mark on the cap side. We still have our ignition timing set to 0° which would result in the event taking place directly at TDC. To Provide Best Results It Is Recomended That 6volt Coils Are Used. Not sure how to adjust timing in tuneECU to match 5th gear. UK’s No 1 Triumph Motorcycles Parts stockist since 1981. Having a hell of a time getting her started to heat cycle. Jan 08, 2008 · Google "Boyer Bransden" for a local supplier. 71-3891 Ignition Timing Pointer - Triumph TR7 T140. This may sound even goofier to you, SteveI set the ignition timing by ear, feel (engine vibration at 3000 rpm) and road performance using the manifold vacuum at idle as a reference point. That is why timing is the last thing to be set in a tune-up. Disconnect and insulate the alternator wires at the rectifier. That was 12. One dynastart housing machined as per attached drawing. The design changes are internal and do not affect the. Use a stroboscopic timing light. IGNITION TIMING FOR BRITISH TWINS TRIUMPH TWIN CLOCKWISE 38 degrees fully advanced BSA TWIN ANTI CLOCKWISE 34 degrees fully advanced NORTON COMMANDO ANTI CLOCKWISE 28/31 degrees fully advanced NORTON ATLAS CLOCKWISE 28/31 degrees fully advanced. PHOTO SHOWS DAMAGED SPROCKETS ON THE LEFT ; THE GOOD SPROCKETS ON THE RIGHT ARE JUST FOR COMPARISON. The best method is to use a BOYER SINGLE PHASE POWER BOX this replaces these. Triumph BONNEVILLE & T100 (carb models) | Ignition System - Bonneville T100 supplied next day (UK only). The Micro Digital ignition provides almost total control over ignition functions. Part No: ACG04. Genuine Triumph Part # T1292365 - Ignition Ctrl Unit, 8000 RPM. Motorcycle Classics tech expert Keith Fellenstein solves more Boyer ignition troubles, this time on a 1970 Triumph Bonneville. Our price £345. This Chevy V8 uses an old-school Kettering-style ignition distributor. Boyer Bransden Electronic Ignition System Micro MKIV - CS-3576. The wiring loom that comes with a Boyer is a little confusing, since it includes a jumper wire. Clockwise rota-tion of the ignition plate will advance the timing and the reverse will retard the timing. This is common to any ignition that uses the end of the camshaft to drive the ignition. bikes with 12 volt systems. In the image I've put the letters TDC at the TDC mark of. Also set ignition timing. Models will include some of the following: Triumph T20, T90, 3TA, 5TA, BSA C15, B40. triumph pre-units t120,t110,6t,tr6,t100,tr5,5t,3t norton dominator 77, 88, 99, 650ss, atlas. Ignition timing at idle 2 deg. If you set idle timing to 10 degrees BTDC, and there is no vacuum unit, and you want 36 degrees total spark timing at road speed, you can set the mechanical advence limit to 26 degrees. Boyer-Bransden Mk3 Electronic Ignition Brochure, for Triumph, mid-1970s. × Dear valued customer, due to extended delays with OEM suppliers and the ongoing COVID-19 crisis, most parts are being placed on backorder status. 123 Ignition Electronic 4 Cylinder Distributor - Negative Earth - Top Entry Cap - 123MG4RV The 123\MG-4-R-V is designed especially for the MGA and MGB. Boyer Bransden Micro Digital Electronic Ignition for Triumph and BSA Unit Twins with 12 Volt electrics. the only exceptions would be very high compression motors. 1959 Triumph Bonneville Pre Unit T120 Engine Disasembly Pt 3. Then you go on to say that at low idle revs the mechanical advance will not have operated, but the dynamic advance setting can be set around 20d BTDC. CRAFTSMAN 14065 at $65. Use an external power. 1 Motorcycle Parts Supplier. There is a gear on the magneto shaft that will drive a gear on a rotor (similar to a distributor ignition). One dynastart housing machined as per attached drawing. The piston will be about 5/16" or 7-8mm BTDC at full advance when it fires. Discount prices on Triumph Ignition Systems at America's leading site. Having done the usual mods to my 04 Thruxton, actually the list is as long as my arm and have replaced just about everything possible. The best single modification for XS650s. Problem is it’s an MAG engine 1914. MS3X on a Porsche 3. The Lucas electronic ignition boxes failed almost before the cars left the dealers' showrooms and were replaced (under warranty) by a couple other brands (Piranha, Allison, etc. However there was not enough slot in the ignition timing plate to get the pointer to point at the 38 degree mark. They can be used on later unit models if you are converting to a 12 volt Boyer electronic ignition (the coils produce a stronger spark because of the ohm resistance). ) position of the pistons. Proper timing can mean the difference between winning and losing a race or even blowing an engine (as a worst case scenario). I had to replace my Lucas Rita so I used the Boyer m3 unit, as usual a bit rough and ready but it should give the general idea of how to fit one and set the static timing. I thought I was done, but I had a concern in the back of my mind about the ignition timing. I have made some tests with different ignition timings. The ignition timing should be checked with the engine running, using a stroboscopic timing light, ensuring optimum engine performance and economy. Step 8: Checking the ignition timing. We stock most parts for T120, T120R, T110, TR6, TR5, T100, T90, 5TA, 3TA and some for the more unusual models such as T120TT, T120C, TR6C, and also stock some BSA & Norton spares. This has proved successful in that the engine runs very smoothly without any misfires. MADE IN ENGLAND. Make your adjustments in small increments until the timing is in the correct range. Boyer Brandsden MKIII Ignition Kit For Triumph And BSA Unit Twins With 12volt Electrical Systems. Part No: ACG04. 00 0 1000 2000 3000 4000 5000 ENGINE R. Any change in the ignition timing will effect the idle speed. finned points plate. 2022 Indian FTR First Look. Timing Cover & Contents (115) Bottom End, Overhaul Kits (5) Stainless Hardware (99) ALTON AC GENERATOR, PRE UNIT TRIUMPH. In the mid-70's Triumph installed electronic ignitions on their North American cars in an attempt to lower the emissions and improve relability. Not sure how to adjust timing in tuneECU to match 5th gear. The primary is a solid case unit, it doesn't have the three screw plate or the X inspection cap. While maintaining 2000 rpm on the running engine, aim timing light into the inspection hole. 1972 Triumph Bonneville t120v 650 with Boyer electronic ignition. You’re confused Well, I certainly am, you’ve got an air/fuel reading showing lean and a lambda sensor - but no ECU? As a broadly accurate rule of thumb, if a component in the engine bay has a name ending in ‘sensor’ then you’ve got a ECU, sensors. Now if this were a 12 cylinder Ferrari engine, I might not be so cavalier about setting the ignition timing, but it ain't. I twisted the two wires from the stator plate in a hand drilling machine. Exhaust Timing: 58-34. I have a 1974 TR6 imported from USA , (125bhp), converted to PI with a fast road cam, stage II conversion, extractor manifold, sports exhaust and some work done to the head to improve the. Boyer Bransden Micro Digital Electronic Ignition for Triumph and BSA Unit Twins with 12 Volt electrics. triumph pre-units t120,t110,6t,tr6,t100,tr5,5t,3t norton dominator 77, 88, 99, 650ss, atlas. I have joined to get help to set the ignition timing on a 45degree vee twin. MS3X on a Porsche 3. Obviously, OT, top dead center marking, was not changed. They make after market electronic ignition systems to replace points or indeed update older electronic systems. REPLACE TIMING COVER: If the machine is to be used for racing, set the valve timing as explained and then adjust cam timing and balancing between cylinders in accordance with the Triumph Technical Information Bulletin No 14, Method 2. BSA A75 Rocket Three. 6633 E Truman. Part No: ACG04. This is wrong. Boyer MK3 Ignition Kit Suitable for BSA/Triumph Single Cylinder 12V Models with Lucas 15D1 Distributor; Triumph T15 Terrier / T20 Tiger Cub 1954-63 BSA C15 / SS80 1958-63 BSA B40 / SS90 1961-63 These kits are used to replace the original Lucas Points Plate Assembly (and Condensers) and the Advance and Retard Mechanism, The Boyer Bransden. This is a look into the task of setting ignition timing on your TR2, TR3, or TR4. Strobe timing Triumph Bonniville T120R. Q: I just bought a 1974 Triumph Trident T150. You ended up with a perfect spark timing only in a limited RPM band. Purchase the Drag Specialties Ignition Timing Tester at J&P Cycles, your source for aftermarket motorcycle parts and accessories, with free everyday tech support. PHOTO SHOWS DAMAGED SPROCKETS ON THE LEFT ; THE GOOD SPROCKETS ON THE RIGHT ARE JUST FOR COMPARISON. Triumph Twin Power Ltd. KIT00053 (BOX00017) Micro MKIV/MKIII Electronic ignition system for Norton Commando / Atlas. That's the front cylinder. Triumph boyer electronic ignition 200- 500 single cylinder T20 TR25 TR5T. finned points plate. Jan 08, 2008 · Google "Boyer Bransden" for a local supplier. Ignition timing at idle 2 deg. Problem is it’s an MAG engine 1914. 12v Boyer Bransden Micro MKIV Ignition Kit for BSA & Triumph Twins and Royal Enfield Interceptor. Electronic Ignition System - Twin Cylinder Side Points - Boyer Bransden MkIV - 12V 12V Electronic ignition kit suitable for: BSA and Triumph twin cylinder engines, with contact points on the side of the engine. Vintage Triumph Supply. This is with new timing gears, chain, a working distributor retard, and plug gap of 35. 1, but consult the handbook for your car) to TDC. Thought it might be fuel blockage, so went. Details about triumph 3ta 5ta t100 side points- timing cover -c/w boyer branson elec ignition. 1 out of 5 stars 286. Trace them from the timing marks you already have to get the right spacing. It’s very clean and has been in storage since 1988. For electronic ignitions that use a magnetic pick-up rather than an optical sensor you do need to rev to 5,000 RPM as they have a progresive linear advance curve. Remove these connectors. 'Lucas Copy' ignition coil for Triumph 500, 650 and 750 motorcycles from 1963-1966. finned points plate. Nicholson taught me a long time ago, just do it. Static timing means setting the timing with the engine stopped. One Boyer Bransden BSA/Triumph twin electronic ignition kit. Carbs (rebuilt as well) tuned as lean as possible,. Eliminates Stock Points System Providing Precise Timing For In these systems the box does not turn on until it receives a trigger voltage from the timing plate. They proved an instant success. In regards to timing a 1971 DT1F Yamaha and I have the following questions please: -I have an ignition base with points and condensor. This Xenon Timing Light with advance dial makes it easier to set ignition timing $ 29 99. TRIUMPH For T150/160 see BSA A75 above T100 68-74 650 Twins 63-71 72-74 750 Twins 73-80. 1969 BSA A65F Firebird 2004 BMW R1150RT 1980 Kz1000G1 2008 Triumph Tiger 1050 Bemidji, Mn. With the power box it is possible to simplify the wiring, eliminating the ammeter, fuse, ignition switch, Rectifier and Zener, though you will need to arrange an ignition kill switch. Dynamic timing is setting the ignition timing with the engine running and requires a more expensive piece of equipment called a “timing light”. Boyer- electronic ignition. However there was not enough slot in the ignition timing plate to get the pointer to point at the 38 degree mark. Dead Center Cycles Motorcycle Parts. We use these coils on our builds and they are virtually bulletproof. In common with the MKIII, it offers electronic control of advance and retard functions. When I got my Silk running some years back I set the ignition timing as per the handbook method (I am still using the Lumenition system). The Dyno Jet Power Commander PCIIIusb is a fuel injection and ignition timing (on some models) adjustment unit that plugs "inline" with the bikes' stock ECU. Diagram by Tim Dodge. auto advance unit rebuild(tribsa assembly part 5). Check that the two ignition wires from timing cover to the front frame tube has a minimum 2 inch (50mm) of free play. However, because the micro-digital features a built in computer the size. What does it do ? This is a microchip controlled electronic ignition system, manufactured by Boyer Bransden, for the BSA and Triumph Twins. You DO NOT have to remove (or by-pass) the ballast resistor in a ballasted ignition system. This may sound even goofier to you, SteveI set the ignition timing by ear, feel (engine vibration at 3000 rpm) and road performance using the manifold vacuum at idle as a reference point. 6L engine with Triumph Daytona ITBs, Toyota COPs (12) and sequential injection. Fits Bonneville, Thruxton. Back in stock: T160 airbox - click here for details. 'Lucas Copy' ignition coil for Triumph 500, 650 and 750 motorcycles from 1963-1966. This is a look into the task of setting ignition timing on your TR2, TR3, or TR4. On most classic cars, spark or ignition timing is easily adjustable and should be a regular part of tuning. Which is exactly what the Bentley manual states. The mechanical, or centrifugal, advance adjusts the timing based on engine speed. The exact time the intake valves and exhaust valves open and close will effect the amount of power produced by the engine and at what RPM it is produced. Ignition coils, vapor lock or something else? 2003 Triumph Speedmaster. 5 horsepower — giving close to 70mph, while another variant, the TR20 Trials Cub featured a wide-ratio gearbox and a. Thought it might be fuel blockage, so went. Fitting boyer ignition to my 73 Triumph T120R. If I move the crank about 1/4 turn further, the piston reaches TDC and the rotor lines up perfect with the #1 plug hole. (Two female outlet towers) for: Triumph Bonneville (1 coil per bike) Triumph T100 (1 coil per bike) Triumph Thruxton 900 (1 coil per bike) Triumph Daytona 1200 (2 coil per bike) Triumph Trophy 1200 ( 2 coils per bike) Performance upgrade replacement for original problematic Gill. It reads: Remove black wire from negative terminal of ignition coil and replace with blue wire from ignition unit. Timing should be set initially to about 24° BTDC at 3,500+ RPM, vacuum hose connected. 95 Timing Disc, 190mm, Classic Bike Use, White PVC. The Lucas electronic ignition boxes failed almost before the cars left the dealers' showrooms and were replaced (under warranty) by a couple other brands (Piranha, Allison, etc. I have searched the entire forum and have not found any info on how to do this. Since many cars of 2010 vintage (and earlier) cannot have their timing manualy set, advanced ignition timing is an issue faced by fewer and fewer cars. To help engine power at idle, the timing can be advanced, on and below the idle speed, this stabilises and reduces the chance of stalling. REPLACE TIMING COVER: If the machine is to be used for racing, set the valve timing as explained and then adjust cam timing and balancing between cylinders in accordance with the Triumph Technical Information Bulletin No 14, Method 2. I cant get timing set correct on my chevy truck it it 93 1500 4wheel drivewith 4. Vintage Triumph Supply. The ignition timing should be checked with the engine running, using a stroboscopic timing light, ensuring optimum engine performance and economy. An engine's ignition-timing requirements will vary, depending on dozens of variables like compression ratio, fuel octane, combustion-chamber shape, and inlet air temperature to name a few biggies. Works with original advance assembly parts and is an easy set & forget install. WIRING DIAGRAM FOR TRIUMPH/BSA WITH BOYER IGNITION. Models that have this include some of the following: BSA A50, A65 Triumph T100, T110, T120, T140, Tiger, Bonneville Royal Enfield. Pazon Sure-Fire; note the "Recommended Ignition Coils" on page 10. T his is done by adjusting the electronic ignition unit and is straightforward to do, there is no need to remove the magneto drive pinion or use rizlas, or any of the other methods traditionally used to set the. The points were removed to install a Boyer ignition, but I and my mechanic could not get the Boyer to spark and we spent hours checking connections and finally gave up and re installed the original point ignition. Adjusting the ignition points on early models required some dexterity until the ignition plate was moved to the end of the camshaft in 1963. On machines fitted with the ignition cut off switch the blue wire must be connected to the black wire coming from the switch to the c. With the digital system, check that you have suppressed plug caps fitted of approx. As I ran out of time on this one, I will upload another for the stroboscopic timing. Also for: 1964 tiger cub t20, 1964 tiger cub t20s, 1964 tiger cub t20c. With the original very lean WOT carb jetting it wanted more timing but after richening to best power it was happy with timing similar to the above numbers. REPLACEMENT BOYER BRANSDEN MKIV BLACK BOX ELECTRONIC IGNITION SYSTEMS. in any way. With older machines, the coils have a high primary resistance and require a long switch on time. Boyer Brandsden MKIII Ignition Kit For Triumph And BSA Unit Twins With 12volt Electrical Systems. 52mm BTDC 22 degrees is 2. AS MANY OF YOU KNOW WITH ELECTRONIC IGNITION FAILURE OVER TIME USUALLY THE BLACK BOX IS THE ISSUE. If the engine has been modified, its requirements for ignition timing will probably be different from standard. Boyer Bransden Electronic Ignition System Micro MKIV - CS-3576. Our price £345. Now if this were a 12 cylinder Ferrari engine, I might not be so cavalier about setting the ignition timing, but it ain't. Mechanical Ignition Handbook $ 24. Procedure with stock contact breaker point ignition system: 1. Hello Alan, As the auto advance unit is badly worn on my 1965 Jubilee I am considering electronic ignition. 19) Fit the magnetic rotor into the taper from which the auto-advance unit was removed, hand tighten the caphead screw and washer provided. Dec 27, 2020 - Installing a Holley Sniper Fuel Injection system on a 1975 Ford Bronco with the 302 engine. What I describe below is a first principles approach on determining the ignition set-up for your car, and may result in the need to reconfigure the distributor advance curve if […]. These systems use more advanced electrical components, including diodes, thyristers, and transistors. My '74 Honda manual lists the CR125M timing as 18 degrees BTDC, but the '76 manual shows 22 degrees, which I think is also correct for the '77 and '78 models. Details about triumph 3ta 5ta t100 side points- timing cover -c/w boyer branson elec ignition. 70-9494 70-1591 70-3835 70-3835. There is no provision for adjusting ignition timing while on the tractor and the distributor must be statically timed while on the bench. The best single modification for XS650s. The Boyer-Bransden micro-digital ignition kit is designed to work with standard coils. I cant get timing set correct on my chevy truck it it 93 1500 4wheel drivewith 4. Part No: ACG04. The Boyer Electronic Ignition Installation & Troubleshooting Tips Whatley's First Law: Your first day with a Boyer is the first day you start cleaning up your harness, battery connections and charging system, or the last day you ride. TRI-SPARK digital ignition. finned points plate. BSA A75 Rocket Three. Then turn dissy until I get flash from timing light, should be exactly same timing as before. 1x yetman triumph dirttracker Post subject: Re: CR 250M 1973 POINTS IGNITION TIMING. the only exceptions would be very high compression motors. It occurred to me after thinking about it for some time that the ignition intends to have the timing cup turn counter clockwise in a cam cover. 4 you've found; it's cheap and, if anything goes wrong (or you even suspect it and want it tested), Coventry Spares is authorised by Bransden to test and replace as required. The Boyer Bransden Electronic Ignition is proved to be very reliable, easy to fit, with no maintenance. Start the engine and shine the timing light on the ignition marks. We offer parts from 75 brands trusted to make quality Engines & Ignition products for your Pontiac Grand Prix. I own a 2002 Triumph Bonneville with 12,000 miles and had starting and stalling issues and finally fried the original Ignition Timing Control Unit and replaced it with a ProCom CDI. Inlet Clearance: 0. However, as electronics, in general, became more reliable and less costly to produce, manufacturers turned to fully electronic systems—cutting out the mechanical contact points. Make/Model Year Drive Side Price Timing Side Price. In these systems the box does not turn on until it receives a trigger voltage from the timing plate. "Boyer Bransden Micro Digital Ignition Kit for BSA & Triumph Triples (A75 Rocket 3, X75 Hurricane, T150/T160 Trident). On the FMJ style magnetos, There are 2 teeth with bevels on the magneto side and a tooth with a timing mark on the cap side. Setting Ignition Timing—Experience Begins At Zero. Please note that this is marked “Triumph/. Our old cars that used this system also had a distributor to direct the spark to the right cylinder. I twisted the two wires from the stator plate in a hand drilling machine. This will be used later to secure the two wires to the plate. The latest version of the popular Boyer Bransden ignition kit for all Triumph and BSA Twins. Boyer Ignition: Installation Instructions for Micro MK3 (for BSA and Triumph Triples) Note: these instructions are provided here for your reference only. Time left6d 6h left. '77 Triumph Bonneville T140V. We offer electronic Ignitions and related parts for vehicles such as Honda, Yamaha. I have a question on my 535 big bore upgrade with the 8. Boyer Bransden Electronic Ignition System Micro MKIV - CS-3576. on a 650 Triumph full advance timing is 38 degrees but is set at 19 degrees on the camshaft. Two 6 volt coils or one 12v dual coil strongly recommended. Boyer Brandsden MKIII Ignition Kit For Triumph And BSA Unit Twins With 12volt Electrical Systems. The Ignition Module uses “direct coil driver technology” and allows a high degree of timing adjustment. 58:41 - Ignition Systems - Magneto, Electronic ignition and points. I don't suppose you have timing info for that? It's not throwing a spanner, It's providing more info particularly if it was fitted with a lucas distributor. since i run a. However there was not enough slot in the ignition timing plate to get the pointer to point at the 38 degree mark. 01:14:56 - Installing a Lucas Magneto on a Triumph Pre-Unit Motor. Jan 08, 2008 · Google "Boyer Bransden" for a local supplier. Static timing means setting the timing with the engine stopped. Remove these connectors. I have searched the entire forum and have not found any info on how to do this. Part No: ACG04. However, as electronics, in general, became more reliable and less costly to produce, manufacturers turned to fully electronic systems—cutting out the mechanical contact points. TIMING YOUR TR 2, 3 & 4 Originally published in the Triumph Register of America National Newsletter issues #95 and #96 GENERAL UNDERSTANDING. 1972 Triumph Bonneville t120v 650 with Boyer electronic ignition. Ideal for competition or classic machines that need a high spark energy, low power draw ignition system. That was 12. points if use of the switch is still desired. and are used for model reference only. Boyer-Bransden Mk3 Electronic Ignition Brochure, for Triumph, mid-1970s. Boyer- electronic ignition. 'Lucas Copy' ignition coil for Triumph 500, 650 and 750 motorcycles from 1963-1966. Ignition Timing: Points open @ 13 degrees TBDC Static/Idle 100 octane. Timing should be set initially to about 24° BTDC at 3,500+ RPM, vacuum hose connected. Triumph TR6 Vehicle Information - Fast delivery - worldwide - 01522 568000 or 1-855-746-2767 - Payment options including PayPal - Website with extensive info - Free catalogues. 12v Boyer Bransden Micro MKIV Ignition Kit for BSA & Triumph Twins and Royal Enfield Interceptor. We stock most parts for T120, T120R, T110, TR6, TR5, T100, T90, 5TA, 3TA and some for the more unusual models such as T120TT, T120C, TR6C, and also stock some BSA & Norton spares. (stock engine with FCR Keihins D&D full system Nology fire) So a stage 1 ignition remap looked like the ideal solution. It’s very clean and has been in storage since 1988. Two 6 volt coils or one 12v dual coil strongly recommended. This Chevy V8 uses an old-school Kettering-style ignition distributor. Boyer Bransden Micro Digital Electronic Ignition for Triumph and BSA Unit Twins with 12 Volt electrics. Fitting boyer ignition to my '73 Triumph T120R. Jump to Latest Follow. Ignition Timing for Norton Commandos is 31 degrees BTDC @ 5,000 engine revolutions per minute for Boyer electronic ignition systems, and 28 degrees BTDC (5/16”) fully advanced @ 3,000 engine revolutions for ordinary points-based ignition, both set with a stroboscope. Use a stroboscopic timing light. Part No: ACG04. Connect the spark plug pickup to the #1 cylinder wire. The first point is to understand the static method of setting the ignition see below…. 12v Boyer Bransden Micro MKIV Ignition Kit for BSA & Triumph Twins and Royal Enfield Interceptor. Proper timing is all-important to the thermo-efficiency of the engine. Our price £345. WIRING DIAGRAM FOR TRIUMPH/BSA WITH BOYER IGNITION. Click or Call 800-544-8778. When people say “timing”, they’re most likely referring to ignition timing. It has a Boyer ignition and I had it running well; it would start in two to three kicks. IMPORTANT ANNOUNCEMENT. Ignition timing at idle 2 deg. This ignition timing disc kit is for all models which have side points rather than the distributor. The BIG restrictor of ignition timing is "Abnormal Combustion" (knock, detonation/preignition). This will slow the sulfate degradation in the battery. Manual Control of the Ignition, and Timing. Re: triumph 650 timing question and request Thanks for the reply but, i know how to time it and i have boyer electronic ignition. Boyer Bransden Micro Digital Electronic Ignition for Triumph and BSA Unit Twins with 12 Volt electrics. This system consisted of a MK3 ignition unit, stator plate with single pickup coil and a rotor with a single magnet, crankshaft triggered. A mixture of driving conditions, driving habits, combustion chamber design, engine condition, intake and exhaust system design all can effect what ignition timing can be used. You ended up with a perfect spark timing only in a limited RPM band. The kit supplied normally contains a Boyer Mk. Proper timing is all-important to the thermo-efficiency of the engine. We specialize in import auto parts. 6623 [email protected]. Click or Call 800-544-8778. Electronic Ignition. Jan 08, 2008 · Google "Boyer Bransden" for a local supplier. I have joined to get help to set the ignition timing on a 45degree vee twin. 5 to 1 compression, and a dual-spark plug cylinder head. Automotive Timing Light 12V, Inductive Ignition Timing Light Gun for 2&4 Stroke Petrol Engine for Old Classical Car Motorcycle. Our price £345. Timing Cover & Contents (115) Bottom End, Overhaul Kits (5) Stainless Hardware (99) ALTON AC GENERATOR, PRE UNIT TRIUMPH. 5:1 compression piston. This is anticipated in about six months. Sure-Fire Ignition Timing TRIUMPH/BSA SINGLES 0. boyer ignition help please. Our price £345. At this point I checked to make sure all ignition wires were intact, gas in the tank, no leaks, fuses OK, etc. The Micro Digital ignition provides almost total control over ignition functions. All Triumph T140 Bonneville parts available. With the power box it is possible to simplify the wiring, eliminating the ammeter, fuse, ignition switch, Rectifier and Zener, though you will need to arrange an ignition kill switch. This remains off until triggered by turning the engine or disconnecting the yellow/black or white/black wires. Since the spark is triggered at the exact instant that the points begin to open, rotating the distributor body (which the points are mounted on) will change the relationship between the position of the points and the position of the. What does it do ? This is a microchip controlled electronic ignition system, manufactured by Boyer Bransden, for the BSA and Triumph Twins. Boyer- electronic ignition. Triumph oil Pack; T140 Bike Cover; T140 Ultimate Belt Drive Kit; Aluminium Barrel. They make after market electronic ignition systems to replace points or indeed update older electronic systems. Now I could set it up using the static method if it had points, or using a timing light if it had the inspection plate/x cap. Details about triumph 3ta 5ta t100 side points- timing cover -c/w boyer branson elec ignition. First of all the tapered adapter will have to be made as per the drawings supplied before proceeding. Triumph timing cover seal. 1969 BSA A65F Firebird 2004 BMW R1150RT 1980 Kz1000G1 2008 Triumph Tiger 1050 Bemidji, Mn. Unfortunatly I don't see a cannned answer for this one. Boyer MK3 Ignition Kit Suitable for BSA/Triumph Single Cylinder 12V Models with Lucas 15D1 Distributor; Triumph T15 Terrier / T20 Tiger Cub 1954-63 BSA C15 / SS80 1958-63 BSA B40 / SS90 1961-63 These kits are used to replace the original Lucas Points Plate Assembly (and Condensers) and the Advance and Retard Mechanism, The Boyer Bransden. The marked tooth meshes in between the bevel teeth. Thought it might be fuel blockage, so went. finned points plate. Boyer Bransden Micro Digital Electronic Ignition for Triumph and BSA Unit Twins with 12 Volt electrics. Eliminates Stock Points System Providing Precise Timing For More Even Idle And Throttle Response. Today, Boyer Bransden produce one of the most efficient ignition systems in the world. When people say “timing”, they’re most likely referring to ignition timing. They make after market electronic ignition systems to replace points or indeed update older electronic systems. Motorcycle Classics tech expert Keith Fellenstein solves more Boyer ignition troubles, this time on a 1970 Triumph Bonneville. 12v Boyer Bransden Micro MKIV Ignition Kit for BSA & Triumph Twins and Royal Enfield Interceptor. The Boyer Bransden range of Analogue MKIII ignition units are being progressively changed to improved MKIV versions. The wiring loom that comes with a Boyer is a little confusing, since it includes a jumper wire. All the wiring is designed to be plug and play with standard wiring looms. There is no information. I'm trying to check the ignition timing on a 1967 T120R with a Boyer. Click or Call 800-544-8778. Rear Bumper Figuring out how to mount the 71 bumper on the 76 body has been bugging me. Turning the ignition switch on and off will fire the spark plug on most Boyer ignitions, but it will not always do this with Triumph/BSA and Norton ignitions. Timing Cover & Contents (115) Bottom End, Overhaul Kits (5) Stainless Hardware (99) ALTON AC GENERATOR, PRE UNIT TRIUMPH. So for example, if you MBT out at 35 degrees at 3k rpm, then for maximum efficieny you should be around 50 degrees during very light throttle at 3k rpm. bikes with 12 volt systems. We offer electronic Ignitions and related parts for vehicles such as Honda, Yamaha. If I move the crank about 1/4 turn further, the piston reaches TDC and the rotor lines up perfect with the #1 plug hole. You’re confused Well, I certainly am, you’ve got an air/fuel reading showing lean and a lambda sensor - but no ECU? As a broadly accurate rule of thumb, if a component in the engine bay has a name ending in ‘sensor’ then you’ve got a ECU, sensors. Hello Alan, As the auto advance unit is badly worn on my 1965 Jubilee I am considering electronic ignition. 2022 Indian FTR First Look. What does it do ? This is a microchip controlled electronic ignition system, manufactured by Boyer Bransden, for the BSA and Triumph Twins. Timing Disc Kit, Triumph Unit Twin Models, 1968 on, 60-0605/6 (UNF Thread) £12. Boyer-Bransden Mk3 Electronic Ignition Brochure, for Triumph, mid-1970s. The engine now sounds better and runs smoother. Obviously, OT, top dead center marking, was not changed. The points were removed to install a Boyer ignition, but I and my mechanic could not get the Boyer to spark and we spent hours checking connections and finally gave up and re installed the original point ignition. 39 to $6,062. The changes are designed to improve the timing stability if engine starting with a very low or variable battery voltage. Two 1” 4BA screws with spring and plain washers. Boyer electronic ignition system micro MK IV classic triumph bsa twin 12V 6V. The Ultimate Triumph T140 Electric Start Kit. Boyer suggest wiring the ignition coils in series, and using a pair of 6 volt units, (which are standard on the Commando, since the stock points ignition uses a ballast resistor). bikes with 12 volt systems. 6L engine with Triumph Daytona ITBs, Toyota COPs (12) and sequential injection. Many of these bikes have been conver ted to DC coil ignition but if you are for tunate enough to get a bike still equipped with ET ignition and it doesn’ t star t of runs poorly don’ t despair, there is hope, so don’ t phone home just yet!. Inlet Timing: 36-74. 1x yetman triumph dirttracker Post subject: Re: CR 250M 1973 POINTS IGNITION TIMING. If you don't have a timing light, you can time the ignition manually. Along with the stronger engine came a Triumph Sports Cub with 14. They make after market electronic ignition systems to replace points or indeed update older electronic systems. Electrics & Ignition; Electronic Ignition Systems; Engine Parts; Exhaust Systems; Fasteners ; Filters - Air, Fuel, Oil 39595 Triumph T120 T140 T150 LH Switch Gear. Our Gen-II Standard Ignition by XSCharge™, a proven reliable electronic trigger system that replaces the stock XS650 breaker point type ignition and coil. You ended up with a perfect spark timing only in a limited RPM band. Made in the UK. I had to replace my Lucas Rita so I used the Boyer m3 unit, as usual a bit rough and ready but it should give the general idea of how to fit one and set the static timing. Fitting boyer ignition to my '73 Triumph T120R. The Boyer Electronic Ignition electronically advances your timing to get optimum performance out of your British motorcycle. It has a Boyer ignition and I had it running well; it would start in two to three kicks. No current through the coils could be caused by:. Details about triumph 3ta 5ta t100 side points- timing cover -c/w boyer branson elec ignition. Boyer MK4 Twin Cylinder elec ignition 12v or 6v coils. Timing Cover & Contents (115) Bottom End, Overhaul Kits (5) Stainless Hardware (99) ALTON AC GENERATOR, PRE UNIT TRIUMPH. Genuine Triumph Part # T1292365 - Ignition Ctrl Unit, 8000 RPM. Now the bike will not rev past 3000 rpm. Triumph Twin Power Ltd. We specialize in import auto parts. Jan 08, 2008 · Google "Boyer Bransden" for a local supplier. Boyer-Bransden Mk3 Electronic Ignition Brochure, for Triumph, mid-1970s. Timing Cover & Contents (115) Bottom End, Overhaul Kits (5) Stainless Hardware (99) ALTON AC GENERATOR, PRE UNIT TRIUMPH. This is with new timing gears, chain, a working distributor retard, and plug gap of 35. is not affiliated with Triumph Motorcycles Ltd. Q: I plan on installing an electronic ignition in my 1965 Triumph Bonneville this spring, although it’s been running just fine with points. You know what they say, "Triumph! Makes a mechanic out of a man!". Control of spark timing of an ignition system for an internal combustion engine uses a feedback correction signal which is a function of back EMF generated in the primary winding of an ignition coil in response to current change in the secondary winding of the ignition coil due to spark breakdown. The engine now sounds better and runs smoother. The Triumph method is different from the way timing is “set” for most other makes. They are kind of spendy, about $60, but a big time saver. Going fine, then bike just died and coasted to the shoulder. Boyer Bransden Micro Power Digital Ignition Kit with Coil. what i'm looking for is some sort of marker that i can use when using a strobe. Connect the spark plug pickup to the #1 cylinder wire. They make after market electronic ignition systems to replace points or indeed update older electronic systems. (Price £50. 6 OHMS resistance. × Dear valued customer, due to extended delays with OEM suppliers and the ongoing COVID-19 crisis, most parts are being placed on backorder status. Project Notes: 1977 Triumph Bonneville T140V (750cc) – Setting The Ignition Timing Posted on October 26, 2016 by AstonMOTO2N About a month ago my brother told me about his machinest friend who has an old Triumph. Ignitions made by people who love classic bikes as much as you do. The spark plug gaps can be set at. 6623 [email protected]. Make your engine bay look pretty with this piece. Tri-Supply is a long established Triumph Motorcycles UK parts supplier, and our mission is to give quality and service to our customers at all times. Triumph Spitfire 1500 Ignition System, How To Set The Ignition Timing On A Triumph Acclaim, 1979 Triumph Spitfire Ignition Test show more show less 0 Comments and 0 replies. The earlier the points open the sooner the spark comes and advances the timing. Our price £345. The Ignition Module uses “direct coil driver technology” and allows a high degree of timing adjustment. The exact time the intake valves and exhaust valves open and close will effect the amount of power produced by the engine and at what RPM it is produced. Triumph models T20M Cub, T100C , TR6C and most famously the T120C or TT Special. While most distributors are designed to be timed with a strobe or an electronic timing light and running, the TR distributor is designed to be timed with a static light and with the engine stopped. No points, no timing, no hassle! In most cases there is no complicated ignition timing set-up or strobe light needed. The bike is for off road only, no electrical system other than ignition. What does it do ? This is a microchip controlled electronic ignition system, manufactured by Boyer Bransden, for the BSA and Triumph Twins. A voltage pulse generator and ignition distributor comprising, a base, a shaft rotatably supported by said base, a distributor cap supported by said base having a center electrode and a plurality of circumferentially spaced outer electrodes, a first rotor driven by said shaft. This system consisted of a MK3 ignition unit, stator plate with single pickup coil and a rotor with a single magnet, crankshaft triggered. 60 panhead, freshly rebuilt stroker motor, crane hi4 ignition in distributor. You DO NOT have to remove (or by-pass) the ballast resistor in a ballasted ignition system. The procedure for setting the timing is simple enough. Boyer MK3 Ignition Kit Suitable for BSA/Triumph Single Cylinder 12V Models with Lucas 15D1 Distributor; Triumph T15 Terrier / T20 Tiger Cub 1954-63 BSA C15 / SS80 1958-63 BSA B40 / SS90 1961-63 These kits are used to replace the original Lucas Points Plate Assembly (and Condensers) and the Advance and Retard Mechanism, The Boyer Bransden. Jan 08, 2008 · Google "Boyer Bransden" for a local supplier. Also, the distributor itself may have been modified. Ignitions made by people who love classic bikes as much as you do. built in best-selected timing curve and increases 500 RPM than stock CDI fits: T1290041, T1292365, T1292950, T129110, T1291150, T1292370, T1292060, T1292960, T1292375 Comes brand new in the box with 1 year warranty!. This allows you to ditch your points and condenser and upgrade to modern electronics. Electronic Ignition: Sometimes called a capacitor discharge system, this ignition system has a large capacitor which is charged with direct current to a few hundred (100-400) V. The Advantages of Electronic Ignition Electronic ignition is now standard for the majority of new vehicles. The number of degrees varies from car to car (again consult the handbook). Effect of Ignition Timing on Fuel Consumption and Emissions RESULTS AND DISCUSSION Engine Fuel Consumption Performance The ignition advance timing set to give MBT for wide-open,65 % and 40 % throttle setting with various AFRJ£s for reference tests are shown in Fig. Since the spark is triggered at the exact instant that the points begin to open, rotating the distributor body (which the points are mounted on) will change the relationship between the position of the points and the position of the. Please e-mail for details. We specialize in import auto parts. The design changes are internal and do not affect the external appearance of the unit. If I move the crank about 1/4 turn further, the piston reaches TDC and the rotor lines up perfect with the #1 plug hole. Purchase the Drag Specialties Ignition Timing Tester at J&P Cycles, your source for aftermarket motorcycle parts and accessories, with free everyday tech support. Fit the ignition trigger plate with the adjustable slots at. Disconnect and insulate the wire that feeds power to the Boyer. The Power Commander V (PCV) Ignition module allows you to advance or retard the ignition curve up to 20 degrees based on throttle position and RPM. If you are coming from a modern bike to the Veteran, Vintage or Post-Vintage (in fact up until about 1955) scene you might not even be aware of the control of ignition timing, for on a modern bike it will be automatically taken care of electronically. Oh and the tach's more of a. Ignition Timing for Norton Commandos is 31 degrees BTDC @ 5,000 engine revolutions per minute for Boyer electronic ignition systems, and 28 degrees BTDC (5/16”) fully advanced @ 3,000 engine revolutions for ordinary points-based ignition, both set with a stroboscope. We use these coils on our builds and they are virtually bulletproof. This allows you to ditch your points and condenser and upgrade to modern electronics. The Ignition Module uses “direct coil driver technology” and allows a high degree of timing adjustment. Since many cars of 2010 vintage (and earlier) cannot have their timing manualy set, advanced ignition timing is an issue faced by fewer and fewer cars. finned points plate. Triumph boyer electronic ignition 200- 500 single cylinder T20 TR25 TR5T. btdc is fine for break in of the cam shaft, and will start just about any small-block chevy. Also for: 1964 tiger cub t20, 1964 tiger cub t20s, 1964 tiger cub t20c. I set it at the recommended setting (#1),replaced the plugs and checked the fuses (none blown)…. Control of spark timing of an ignition system for an internal combustion engine uses a feedback correction signal which is a function of back EMF generated in the primary winding of an ignition coil in response to current change in the secondary winding of the ignition coil due to spark breakdown. First, he found the Boyer ignition was grounded through the battery carrier, which is rubber-mounted so not a good ground. the ignition cycle is programmed into the microchip. The design changes are internal and do not affect the external appearance of the unit. Long-time member. I own a 2002 Triumph Bonneville with 12,000 miles and had starting and stalling issues and finally fried the original Ignition Timing Control Unit and replaced it. The bike is for off road only, no electrical system other than ignition. mechanical/spark plug/ignition coil/ht lead and not the transistor pack or stator plate. 014" Exhaust Clearance: 0. The following ignition timing procedures are for Triumph 650 unit twins using Lucas contact breaker 6CA (primary backplate and two secondary plates). To Provide Best Results It Is Recomended That 6volt Coils Are Used. AS MANY OF YOU KNOW WITH ELECTRONIC IGNITION FAILURE OVER TIME USUALLY THE BLACK BOX IS THE ISSUE. Reading this topic on Ignition timing with great interest and very relevant to me, as never got a definitive answer to my concerns/questions for my car. Before you buy, take some time to read through customer reviews. My question deals with setting the timing. The Boyer Bransden range of Analogue MKIII ignition units are being progressively changed to improved MKIV versions. This allows you to ditch your points and condenser and upgrade to modern electronics. 5 horsepower — giving close to 70mph, while another variant, the TR20 Trials Cub featured a wide-ratio gearbox and a. Emission Control System- Ignition and Carburetter Settings-Spitfire 1500 Idle speed (rev/min) 800 to 850 Ignition timing, static 10 deg. over the entire speed range, this gives the ability to programme any firing angle required. KIT00052 (BOX00023) Micro MKIV/MKIII Ignition system for 12v Triumph / BSA twin cylinder motorcycles. All timing starts from the same place. This ignition timing disc kit is for all models which have side points rather than the distributor. Boyer MK4 Twin Cylinder elec ignition 12v or 6v coils. This is achieved by changing the ignition timing, changing or re-timing the camshaft, and sometimes in combination with a change in crankpin angle. Our price £345. 95 The timing advance curve is selectable via a switch to best suit the requirements of any particular usage. This system may also be used on other triples if the stator/rotor/rectifier from the smaller triples is used. what i'm looking for is some sort of marker that i can use when using a strobe. The design changes are internal and do not affect the external. Along with the stronger engine came a Triumph Sports Cub with 14. We specialize in import auto parts.