Here you have a Brand new Boyer Bransden, Micro-MK4 electronic ignition system. This kit is for 12V twin-cylinder motorcycles.

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.

This kit will work with both positive or negative earth.


KIT00052 - Kit contains

  • Fitting instructions
  • Transistor box (BOX00023)
  • Stator plate (STA00152)
  • Magnetic rotor (ROT00118)
  • 1'1/4" BSF Bolt
  • 1'1/4" UNF Bolt
  • Black plastic strap
  • Coil link wire (Black 1ft long)
  • Coil positive earthing wire (Red 1ft long)
  • Terminals: 4 X Female spades, 1 X Male spade, 2 X Male bullets, 1 X M6 Ring.


This kit fits a huge range of motorcycles, including Triumphs and BSA's, for example, the BSA A50's & A65's.

We have fitted this kit to a number of our bikes over the years including an A10 that was converted to 12V.


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

KIT00052 - BSA/Triumph 12V twin electronic ignition system

  • Product Code: KIT00052
  • Availability: In Stock
  • £105.00

  • Ex Tax: £87.50

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