1997 kawasaki VN 1500 Vulcan Classic "causes backfire" Questions

what would cause a 1500 Vulcan to backfire when you let off the throttle? do you mean =out of the carb or out of the exhaust,,well carb backfiring is a very weak mixture and its still burning when the

I have a 93 vulcan 1500 that backfires thru the exhaust when you let off the gas. What can cause this? You have stock exhaust? If not, that's your cause.

The bike backfires at low RPMs we just cleaned up the whole carb for varnish and dirt and it still does it. Thanks John bout time to hav jets ajusted or replaced-please let a pro doit cause to lean or

my friends Vulcan is backfiring thru the carb. Any ideas on what may cause this problem? Check out the inlet tappet clearance as they could be to tight OR A burnt out inlet valve seat having a slight ...

what would cause a 94 vn1500 vulcan to backfire through the front cylinder every time I let off on the gas?and i know its not the carb. Hi,,sounds like you might have a tight valve,,check your valve ...

...set advance. there is unburnt fuel present in exorst and this cause backfire. these two are most "popular" causes of the backfiring. hope this will help you solve the problem, do not forget to

How to fix backfiring on a KZ1300 motorcycle Common causes of backfires are:Poor or unregulated engine timing is often a cause of intake backfires, but can also be responsible for exhaust ...

backfire on downshifting 2003 HD road King FLHRI backfires when downshifting. Does not do this at any other time, but when it does backfire there is a series of pops not one loud sound Slightly rich ...

My bike back fires bad the fuel pump and two of the injectors have been changed. What could be causing this problem timing off valves too tight too lean TPS bad chipped valve, bad valve seat, cracked ...

my 2005 yz250f will not idle and backfires on decel. i have cleaned carb and all jets even replaced pilot jet. I tried turning the fuel screw in and out slowly with no positive result. check valve ...