ELECTRONIC IGNITION

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ELECTRONIC IGNITION

Postby Shent » Sat May 28, 2016 12:45 pm

Hi has anyone fitted a Thorspark system into a kf2 mag if so I would be interested to know if the fitting is as straight forward as they say and how effective is it.

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Re: ELECTRONIC IGNITION

Postby robcurrie » Sat May 28, 2016 5:55 pm

Roy, I have fitted Thorspark to my 31 CSR which has the K2F magneto. You will need to fabricate a bracket to mount the ignition coil, be able to follow their wiring diagram and connect the wiring, you will need a strobe type timing light - powered is preferable and you will need to make a pointer and timing mark on the alternator rotor.
I would allow for a weekend to do the complete job. I sacrificed the bakelite cap, because I wanted to hide the fact that it has been converted, so I drilled through the earth wire connection to run the Thorspark wires and removed the earth brush. The only fault I have had with my ignition is the screws holding the pickup module came loose, they should have been Locktited on installation.
CAUTION: When setting the timing you will have to run the engine at high rpm without the primary cover - mind your fingers!
Here are some pictures:
Coil bracket
Image
Pickup and magnet on spindle, wiring exits through old earth connection in bakelite cap
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Timing pointer and marks (marks were changed to white for better visibility with timing light)
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Rob C

Posts: 13
Joined: Sat Mar 05, 2016 12:41 pm
Location: UK

Re: ELECTRONIC IGNITION

Postby Shent » Sat May 28, 2016 7:01 pm

Thanks Rob the pictures are useful I will be converting a G15 with the Norton Atlas engine.
Regards Roy

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