Question about 1987 kawasaki VN 750 Vulcan
I tried to start my 454 for the 1st time this year, the bike started up, but soon died, and then on the 2nd try, a very loud backfire from the right side exhaust pipe, some black smoke came out, then nothing, the motor turns over but no spark, I checked both spark wires, with the plug still in, but grounded to the side of the motor, no spark from either side, I replaced the main fuse (the only one I could find under the seat ) still no spark, I'm not sure where to look next...any help..?? thanks
Sounds like a bad CDI box. That is part of the ignition. Do you use a fuel stabilizer when moth balling your bike each year? That may have been part of the backfire and shut off. Your bike having carbs may have gummed a little. Are you handy? Try spraying a small shot of starting fluid in the air cleaner,small shot! Just to make sure it's not a fuel problem. Try a different plug in the wire also. Sounds weird,because I'm pointing out fuel starve problem but the plugs could be fuel fouled. Anbd a new set of plugs for that bike shouldn't be that expensive and a good place to start.
Posted on Jul 12, 2009
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Posted on Jan 02, 2017
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