2003 kawasaki VN 750 Vulcan "backfiring idle fuel" Questions

...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. Mine ...

...idle up on the engine and the backfiring is fuel in the exhaust not being burnt so on the over screw on the carb screw that in 1/4 of turns this will decrease the amount of fuel going into the engine ...

...idle, backfires and bogs out Hello phwolfe, Did not backfire but , boged out appling fuel. Found it was flooding because the floats were over filling the chambers. Adjusted float settings (by eye ) ...

idle adjust screw on the carburetors to raise the isle enough it wont kill. If the carbs are dirty use a fuel system cleaner in the tank like Chevron Techron to clean the varnish/gum out of the carbs.

...and if its running rough then it may be starving for fuel at idle. Try adjusting you mixture screw and see it the engine will smoot out. Your carb my be dirty and not allowing enough fuel through

...on the left side. They blow off when they backfire and cause all kinds of idle problems. Definately timimg the is out and needs to be checked . check the fuel as you could have also a batch of bad ...

...idle circuit fuel is still going to into each cylinder then out the exhaust. A hot spot in the exhaust can ignite the unburned fuel creating an explosion, ( backfire ). Let the engine run down to an ...

...backfiring when letting off the throttle. I had put the choke on full to start and then the engine tries to die when letting out the clutch in first gear. I've replaced the plugs ( which looked OK) ...

...at idle. it dies even after its warmed up. whats up? check/clean the carburator, adjust the air screw... lack of fuel, causing the the engine to backfire when you close the throttle... adjust

...it backfires so on the carb there are 2 screws 1 for idle and 1 for mixture the mixture is the one you need screw it in 1/2 of turn at a time until it stops backfiring ok a picture will ...