Boyer Bransden Electronic Ignition Kits - Over 50 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 under the ethos of supplying hardy products that last.
The improved MKIV versions are designed to improve the timing stability if engine starting with a very low or variable battery voltage. The design changes are internal and do not affect the external appearance of the unit. Identified by the 'MKIV' caption on the label the new units are fully interchangeable with previously produced MK3 and MK1a units, and offer improved performance for both electric and kick start machines
British Spares Ltd offer full testing facilities, spares back up, and warranty claims processing for Boyer Bransden ignition systems and components.
Boyer Bransden Electronic Ignition systems operate on 12 volts
For this reason, it is recommended that you install:
A 12 Volt ignition coil on single cylinder machines
A satisfactory 12 volt charging system with efficient voltage regulation will be required on models that were produced originally with 6 volt electrical systems.
These kits are used to replace the original Lucas Points Plate Assembly (and Condensers) and the Advance and Retard Mechanism. The Boyer Bransden Electronic Ignition is proved to be very reliable, easy to fit, with no maintenance.
For the best results a stroboscope should be used to set the ignition timing.
Suitable for Enfield India Bullet 350cc & 500cc Models 12V (NOT suitable for EFI Models or Royal Enfield Redditch 350/500 Bullet with Lucas 15D1 Distributor)
For 6V models we have all of the parts available for conversion.
Please email for details
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