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KH400 no spark

Posted: Fri Nov 21, 2025 2:28 pm
by Mike 1958
:smt039 Hi all, just going through the electrical systems. All working apart from when I kick it over I do not see a spark at the plug. I have renew all the electrical stuff with Rex’s speed shop.
The only thing I have not replaced is the fuse box. Fuse things look ok ???? Anybody got any advice please.

Cheers Mike πŸ˜€πŸ‘πŸοΈ. Thumbs Up

Re: KH400 no spark

Posted: Fri Nov 21, 2025 4:00 pm
by Mike 1958
Had a chat with one off our members and he recommended checking the kill switch. On comparing with my old one it had a rubber grommet thingy fitted which was not present in the old one
I removed the rubber grommet thingy and refitted the cables as per my old one that was shot on the out side. And hey presto we have a spark.

Mike πŸ˜€πŸ‘πŸοΈ. Thumbs Up :smt039
IMG_2026.jpeg

Re: KH400 no spark

Posted: Fri Nov 21, 2025 5:43 pm
by Mike 1958
Thumbs Up Hi again, does the white plastic piece cover the on lead.
See photo. By the on lead I mean the black middle one.

Cheers Mike πŸ˜€πŸ‘πŸοΈ

Re: KH400 no spark

Posted: Fri Nov 21, 2025 7:08 pm
by Triple Parts
If it's a repro switch, it is a known problem... viewtopic.php?t=21468

Re: KH400 no spark

Posted: Fri Nov 21, 2025 8:53 pm
by Mike 1958
Hi triple parts, thanks for the advise and link to topic. Switch came with the bike, receipt from Bertram’s.

Cheers Mike πŸ˜€πŸ‘πŸοΈ

Re: KH400 no spark

Posted: Fri Nov 21, 2025 8:54 pm
by Mike 1958
Bertrum’s i mean

Re: KH400 no spark

Posted: Sat Nov 22, 2025 9:37 am
by Triple Parts
Yes, Bertrums are a "box shifter" rather than a specialist supplier who tests and modifies them to work correctly Thumbs Up

Re: KH400 no spark

Posted: Sat Nov 22, 2025 12:28 pm
by Mike 1958
Hi, you or Zpower arr always my first port of call.

Keep up the good work guys my KH400 is almost finished now, just the tank to fit. Ready for riding next spring Thumbs Up :smt039