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Boyer Bransden Mk3 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 straightforward 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 power supply, and it is designed to work with your existing coil. This is suitable for positive earth only, and will work with or without a battery fitted. A different version is available for the sidepoints 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
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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