Question about 2003 kawasaki VN 750 Vulcan
When useing engin to slow down my 03 kawasaki 750valca backfires.if I pull in the clutch it stops.
Check a spark plug for color. A white plug means that it's too lean (Not enough fuel) They will pop when lean on decel!
Posted on Jul 10, 2009
Usually caused by unburned fuel escaping the combustion chamber (through exhaust valve. Check idle fuel mixture,(either too lean OR too rich will cause the problem, but too lean will also have driveability problems while too rich will 'run good') idel speed, and exhaust valve clearance.
Posted on Sep 19, 2009
Mine did that when I had a bad connector on the spark plug. I replaced it with an NKG part (MUCH less expensive than stock) and it quit happening.
Posted on Feb 08, 2015
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