Help with my 81 kz440!!!

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12 May 2015 21:07 #671884 by Genghis Shon
Replied by Genghis Shon on topic Help with my 81 kz440!!!
Ebay? amazon? Im sure someone here knows the best place. If it is the coil your wires need to be replaced too. As the coil goes bad your wire resistance goes up.

2012 KX450F
1999 HD FXDWG
1984 HD XL1000
1981 KZ1100 Shaft Hard Tail

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12 May 2015 21:11 #671885 by Richardb98
Replied by Richardb98 on topic Help with my 81 kz440!!!
I was just thinking that even if my coil is going bad you'd think that if I have spark and fuel it would still fire even if it's only the right cylinder? I think tomorrow I'll put a drop of gas in the cylinder and see if I can get it to fire. That or some carb cleaner through the carbs

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12 May 2015 23:00 - 12 May 2015 23:10 #671889 by martin_csr
Replied by martin_csr on topic Help with my 81 kz440!!!
Try redoing the spark plug wire connections at the plug caps & coil. At the coil unscrew the ribbed compression boots. If there's the white crusty stuff on the wires, nip off the ends a tad. Or go ahead & replace the spark plug wires. You may need to clean up the coil & plug cap terminals where the spark plug wires connect. Also, go ahead & clean up the igniter leads on the other end of the coil.

I had an intermittent firing problem on my 81 650-CSR. I thought it had good spark --- checked in a darkened garage at night. nope. Redoing the connections solved the problem. I later installed Dyna ignition coils & a spark plug wire set w new boots. The coil was getting very hot to the touch & the stuff was old.
Last edit: 12 May 2015 23:10 by martin_csr.

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13 May 2015 06:30 #671909 by Richardb98
Replied by Richardb98 on topic Help with my 81 kz440!!!
thanks for the suggestion. that sounds like a good idea. it could only make things better. i think im going to go get some wire cleaning fluid and go through ALL the connections. its long overdue

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13 May 2015 15:43 #671970 by Richardb98
Replied by Richardb98 on topic Help with my 81 kz440!!!
Something definitely wrong, I think it's my timing. Even though I'm getting strong spark and gas on my plugs it's not firing. When I spray some carb cleaner I'm getting a faint popping

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13 May 2015 18:09 #671988 by Richardb98
Replied by Richardb98 on topic Help with my 81 kz440!!!
Okay so I've just adjusted my timing and still nothing. It turnes out that faint popping is it backfiring through the carbs. I'm at a complete loss now guys

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