Service, Parts, Component Repairs, Accessories, Rebuilds & Revitalization
6427 Windmill Way
UNIT C Wilmington, NC 28405
Open Mon - Fri 9:30a - 4p
BY APPOINTMENT ONLY
Please call us first.
919-491-4875
910-660-8225 - SHOP
SINCE 1992 Serving You.
SERVICE EXCELLENCE FOR BMW, EUROPEAN, URAL, BRITISH AND JAPANESE MOTORCYCLES
FROM VINTAGE TO MODERN - FULL SCALE FACILITY WITH 38 YEARS EXPERIENCE
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Carb Kits - The Ultimate rejuvenation for Honda Suzuki Yamaha Kawasaki Triumph
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We install
UNIT GARAGE
"Bombar's Beemers has the most professional shop and solutions to BMW problems I have ever come across. I have had several BMW motorcycles and Porsche cars. The level of professionalism, carry through, and solutions to repair my K1200S, both transmission and clutch were beyond exemplary.
The bike runs, shifts and works better than ever before.
Thank you again." John Tovcimak. Pittsburgh, PA.
Superb Ignition
BOYER MICRO DIGITAL IGNITION SYSTEMS
FOR YOUR BMW
Over 40 Years' Proven Performance
In 1969 Ernie Bransden designed and patented a miniature electronic ignition that was a fraction of the size and far more efficient than any of its competitors. Since that time various electronic ignitions and manufacturers have come and gone, but Boyer Bransden have been in constant production. Today, Boyer Bransden produce one of the most efficient ignition systems in the world.
All systems are carefully hand built in the UK and we pride ourselves on supplying hardy products that last.
Boyer Microdigital single plug ignition, R-bikes, 1970 to 78
Part No.70732
Boyer Microdigital electronic ignition, 5-year warranty. Must use 5,000-ohm spark plug caps (part # 9609 or 9610), fits R-bikes, 1970 - 1978
Boyer Microdigital dual plug ignition, only, for dual-plugged R-bikes, 1970 to 78
Part No.70755
Boyer Microdigital electronic ignition, 5-year warranty. Must use 5,000-ohm spark plug caps (part # 9609 or 9610), fits R-bikes, 1970 - 1978 with dual-plug heads
THIS KIT MUST BE USED WITH 2 X 70506 COILS AND 2 X 70080 LOWER HTV LEADS. DIFFERENT COILS ARE UNSUITABLE AND MAY FRY THE CONTROL UNIT.!
PVL GERMAN DUAL OUTPUT COIL FOR TWIN PLUGGING R SERIES (2 REQD) EACH.
( Only for use with electronic ignition systems ) ( Do NOT use with points )
Boyer Microdigital single plug ignition, R-bikes, '79 & '80.
Part No.70743
Boyer Microdigital electronic ignition, 5-year warranty. Must use 5,000-ohm spark plug caps (part # 9609 or 9610), fits R-bikes, 1979 - 1980
Boyer Microdigital dual plug ignition, only, for R bikes, '79 & '80
Boyer Microdigital electronic ignition only, 5-year warranty. Must use 5,000-ohm spark plug caps (part # 9609 or 9610), fits R-bikes, 1979 - 1980 with dual-plug heads
THIS KIT MUST BE USED WITH 2 X 70506 COILS AND 2 X 70080 LOWER HTV LEADS. DIFFERENT COILS ARE UNSUITABLE AND MAY FRY THE CONTROL UNIT.!
The Advantages
of
Electronic Ignition
Electronic ignition is now standard for the majority of new vehicles. It offers better starting, smoother running, improved fuel economy and lower emissions when compared with more traditional systems.
On certain types of older or high mileage vehicles, wear in the distributor may affect the timing and cause a falling away of performance, whilst sparking at the points burns the contacts and wastes energy.
Some classic vehicles suffer from "fragile" electrics which may be affected by vibration or dampness, often an electronic ignition system will eliminate these problems allowing the machine to be used with greater confidence and to its full potential.
Legislation against pollution is set to become even tougher. Electronic ignition systems allow most of the available energy to reach the spark and offer more complete combustion. As such, they are an important and simple weapon in the war on pollutants, helping to keep classic machines where they belong - out on the road, not in museums!
The Micro Digital And Micro Power System
Micro Digital Kits
CodeDescription
KIT00080TRIUMPH / BSA SINGLE SIDE POINTS 12 VOLT
KIT00081TRIUMPH / BSA UNIT TWIN 12 VOLT
KIT00061TRIUMPH / BSA DISTRIBUTOR SINGLE 12 VOLT (USE PBOX FOR 12V CONVERSION)
KIT00085TRIUMPH / BSA 3 CYLINDER (6 VOLT COILS REQUIRED)
KIT00084NORTON ATLAS / COMMANDO 12 VOLT
KIT00147NORTON JUBILEE / NAVIGATOR 12 VOLT (USE PBOX FOR 12V CONVERSION)
KIT00087KAWASAKI Z400 TO Z650 4 CYLINDER
KIT00088KAWASAKI Z900 TO Z1000
KIT00101KAWASAKI Z750 4 CYLINDER ELECTRONIC IGNITION MODELS
KIT00091SUZUKI GS400 / 450 TWIN
KIT00090SUZUKI GS550 / 1000
KIT00082SUZUKI GSX250 / 550 ELECTRONIC IGNITION MODELS
KIT00165SUZUKI GSX750 / 1100 ELECTRONIC IGNITION MODELS
KIT00089HONDA CB400 / 750 4 CYLINDER SINGLE CAM
KIT00086BMW PRE 1979 12 VOLT
KIT00097BMW 1979 / 80 12 VOLT
KIT00103YAMAHA XS650 (COIL 00004/6 REQUIRED)
KIT00100ENFIELD INDIA BULLET 350 / 500
Micro Power Kits Including Mini Coil/s
CodeDescription
KIT00280TRIUMPH / BSA SINGLE SIDE POINTS 12 VOLT
KIT00281TRIUMPH / BSA UNIT TWIN 12 VOLT
KIT00261TRIUMPH / BSA DISTRIBUTOR SINGLE 12 VOLT (USE PBOX FOR 12V CONVERSION SEE FITTING INSTRUCTIONS)
KIT00262TRIUMPH / BSA 18D2 DISTRIBUTOR TWIN 12 VOLT (MODIFICATION REQUIRED)
KIT00285TRIUMPH / BSA 3 CYLINDER
KIT00284NORTON ATLAS / COMMANDO 12 VOLT
KIT00247NORTON JUBILEE / NAVIGATOR 12 VOLT (USE PBOX FOR 6V-12V CONVERSION)
KIT00287KAWASAKI Z400 TO Z650 4 CYLINDER
KIT00288KAWASAKI Z900 TO Z1000
KIT00301KAWASAKI Z750 / 4 CYL. ELECTRONIC IGNITION MODELS
KIT00291SUZUKI GS400 / 450 TWIN
KIT00290SUZUKI GS550 / 1000
KIT00282SUZUKI GSX250 ELECTRONIC IGNITION MODELS
KIT00292SUZUKI GSX550 ELECTRONIC IGNITION MODELS
KIT00365SUZUKI GSX750 / 1100 ELECTRONIC IGNITION MODELS
KIT00289HONDA CB400/750 4 CYLINDER SINGLE CAM
KIT00293HONDA TWIN CB/CL 250-350
KIT00286BMW PRE 1979 12 VOLT
KIT00297BMW 1979/80 12 VOLT
KIT00303YAMAHA XS650 TWIN
KIT00300ENFIELD INDIA BULLET 350 / 500
The Micro Digital ignition provides almost total control over ignition functions. In common with the MKIII, it offers electronic control of advance and retard functions. However, because the Micro Digital features a built in computer, the size of a postage stamp, it can make more than a million ignition decisions per second, to constantly monitor engine speed and time the spark precisely to suit. The programming of this micro processor also gives control over ignition coil energy, starting speed, tickover stabilisation and rev limits!
In common with the MKIII these systems are manufactured using the finest semiconductors and are fully encapsulated to protect against moisture intrusion. All units are guaranteed for five years.
The Micro-Digital system is designed to use the original coils where possible, the time these coils are switched during the ignition cycle is programmed into the microchip. With older machines, the coils have a high primary resistance and require a long switch on time. If the coils are replaced, it is important that coils of a similar resistance are used. Boyer-Bransden have a wealth of knowledge covering a vast range of motorcycles, and advice about matters such as this is available from an engineer by emailing Help@BoyerBransden.com. Alternatively, consider upgrading to the Micro-Power system which is supplied complete with its own Digital Power coils.
The Mk3 system is now superseded by the Micro-Digital and Micro-Power units. Both are contactless systems and advance the timing electronically, featuring a microprocessor which can compute more than a million decisions every second. These units constantly monitor engine speed and time the spark precisely to suit. In addition, the programming of the 'mini computer' offers control over ignition coil energy, starting speed, tickover stabilisation and rev limits if required.
In both systems,-ignition timing is controlled - in bands of 50 r.p.m. over the entire speed range, this gives the ability to programme any firing angle required. 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. From idle, the advance can be sharper than provided by the previous Mk3 system, giving even better throttle response. The Micro-Digital system makes the best possible use of standard coils, whilst the latest Micro-Power system is supplied with miniature digital coils matched to the unit, for incredible performance.
This system is designed to work only with our special digital power ignition coils (type 00007 single output, or 00008 dual output) which are included in the kits. Up to three of these coils may be run from one ignition box, providing very high energy sparks for single, or twin plug cylinder heads. The ignition cycle is produced by a high current pulse lasting for a short period of time; this is controlled by the microprocessor program. The total current consumption is reduced by over a half and the spark energy is greater; average current consumption is less than 1.5 amps at maximum r.p.m.
The Micro Power Coils
The miniature digital ignition coils have a very low primary resistance and a very high quality iron core. Single and Dual output types are available as mentioned previously. The HT cables are detachable and the primary connections are by spade terminals.As these coils are controlled by current input and not voltage, up to four coils can be run in series from one ignition unit. With most dual output coils it is good practice to have only one output feeding a compressed cylinder, but with 35,000 volts it is possible to have both outputs feeding a compressed cylinder at one time.