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Production delays

Due to a unexpected terminal diagnosis, I am now required for care, 24/7, this has a massive impact on production capacity, due to this I am only selling from stock. I will get to all emails as soon as I can however there is likely periods of communications delays
Thank you for your understanding at this time difficult time.

Here you have a Brand new Boyer Bransden, Micro-MK4 electronic ignition system.

This kit is for Unit construction single cylinder motorcycles, equipped with distributor type ignition & converted to 12 Volt, this is designed to work with a positive earth or no battery set-up.

All ignition units come with a 5 year warranty.

With over 40 years behind them, made in England, Boyer is considered by most to be "the choice" when it comes to electronic ignition systems.


KIT00059 - Kit contains

  • Fitting instructions (including pictures and diagrams)
  • Transistor box
  • Stator plate
  • Fixing screw & washer
  • Magnetic rotor
  • 3M tap connector
  • 2 Plastic strap
  • Twin lead with sleeving
  • Terminals: 2 X male bullets


This kit fits a unit BSA and Triumph single cylinder motorcycles, equipped with distributor type ignition & converted to 12 Volt, this is designed to work with a positive earth or no battery set-up, such as:

BSA C15 & B40

Triumph T20

We have fitted Boyer Bransden kits to a huge number of our bikes over the years, and they have always been easy to fit, and a wonderful improvement. 


At CPC we will only ever sell products we have tried, tested and would recommend.

This item is made by boyer Bransden electronics LTD.

Please direct any technical questions directly to them - help@boyerbransden.com

KIT00059 - BSA / Triumph Distributor unit single's 12V

  • Product Code: KIT00059
  • Availability: In Stock
  • £115.00

  • Ex Tax: £95.83

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