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

What does it do ?

This is a microchip controlled electronic ignition system, manufactured by Boyer Bransden, for the BSA and Triumph Twins. 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 power supply, and it is designed to work with your existing coils. This is suitable for positive or negative earth, provided the coils are fed from the positive supply, and will work with or without a battery fitted.

What's in the box ?

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