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Boyer Bransden Micro Digital Electronic Ignition for Triumph and BSA Unit Singles with 12 Volt electrics and sidepoints.

What does it do ?

This is a microprocessor controlled electronic ignition system, manufactured by Boyer Bransden, for the BSA and Triumph Unit Singles. This will replace your existing points, condenser, and mechanical advance mechanism with an electronic pick-up, and a box to handle the processing and advance. To use this you will require an existing good 12V 5A DC power supply. It is supplied with a special digital coil, the correct spark plug cap (5000 OHM) and HT lead. This is suitable for positive or negative earth, and requires a battery to be fitted. A different version is available for the 'distributor' ignition models

What's in the box ?

Electronic Ignition Box Mk3 with wires and adhesive foam strips
Magnetic Rotor to replace existing mechanical auto advance
Stator to replace existing points
Digital ignition coil
Spark Plug Cap
HT Lead (not in photo)
All required wires and connectors
Comprehensive Instructions


Boyer Bransden offer a 5 year warranty on all of their electronic ignition systems.

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