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Boyer Bransden Micro Digital Electronic Ignition for Triumph and BSA Unit Singles with 12 Volt positive earth electrics and 'distributor' type ignition.

What does it do ?

This is a microprocessor 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 power supply. It is supplied with a special digital coil, HT lead and the correct spark plug cap (5000 OHM). This is suitable for positive earth only, and requires a battery to be fitted. A different version is available for the sidepoints ignition models

What's in the box ?

Electronic Ignition Box Micro-Digital with wires and adhesive foam strips
Magnetic Rotor to replace existing mechanical auto advance
Stator to replace existing points
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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