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78 Kz650c, engine ran horribly in the rain
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78 Kz650c, engine ran horribly in the rain 29 Sep 2020 06:20 #835839

  • Joe De
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Bike was running fine. Got caught in the rain and the engine started to fart and pop. Something started to happen all of a sudden . I’m thinking electrical? Plugs and wires are new, the bike sat for 20 years and a bike mechanic got it all squared away and road ready. I’ve put about 500 miles on it since and rode in the rain once before without a problem. What should I look for?

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78 Kz650c, engine ran horribly in the rain 29 Sep 2020 06:49 #835840

  • Joe De
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Just started it up. Same different sound, i decided to touch the pipes, number 3 can be touched the other ones will burn your finger. Now what?

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78 Kz650c, engine ran horribly in the rain 29 Sep 2020 07:39 #835845

  • JR
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Take off gas tank and dry the electrics - coils, connections, plug wires, plugs etc.
Hair drier will work.
Or spray with WD 40 (WD = water displacement)
With a 78 you probably have points. Check if wet.

If you ride in the rain look for an ignition protector spray which will coat the electrics.
1980 kz750E1, Delkevic exhaust

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78 Kz650c, engine ran horribly in the rain 29 Sep 2020 10:27 #835861

  • ThatGPzGuy
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Pods or stock airbox?
Jim
North GA
2016 Yamaha FJR1300ES
1982 GPz750 R1
1974 Kawasaki H1
1976 Kawasaki KZ400
1979 Yamaha XS650 cafe'
2001 KZ1000P
2001 Yamaha YZ426
1981 Honda XR200 stroked in an '89 CR125 chassis
1965 Mustang
1967 Triumph GT6
1976 Bronco
"If you didn't build it, it's not really yours"

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78 Kz650c, engine ran horribly in the rain 30 Sep 2020 06:52 #835905

  • Joe De
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That’s what I did. Ends up being the #3 plug and a bad coil. # 1 isn’t great either but not dead. Points are original and bad. Ordered new coils, points and condenser. I’m hopeful that my problems will be going away!! I’ll let you know when I’m up and running. Thank you

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78 Kz650c, engine ran horribly in the rain 30 Sep 2020 06:54 #835906

  • Joe De
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No pods, stock air box. I think it was the coil and points. Thank you

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