Harley Davidson Harley-Davidson Motorcycle Desktop Telephone "backfire" Questions

my 1998 heratage 1340cc backfiring and popping at low revs my 1998 heratage 1340cc backfiring and popping from rear cylinder at low revs and when backing off runs fine at high revs I replaced plug ...

backfiring 96 wide glide backfires while the choke is off but not when it is on. Check inlet manifold seals

Engine is poping (backfiring) when I let up throttle. When riding my 1999 fatboy and I let up the throttle you hear a loud backfiring noise through the exhaust pipes, If I pull the clutch in it stops!

engine backfires through the carburator, it still runs, but when the throttle is snapped there is a backfire through the carb. timing right? how is it adjusted? The bike is a 1983 "rat" more likely an

...since, but now I want to use it. I tried to start it up but all it does is cranks 9 or 9 time then backfires. I put some "heat" in the tank but it continues to backfire and foul the plugs. have any ...

1999 Fatboy backfiring & no spark I recently purchased this bike was running great. started running rough so I replaced the plugs with original equipment. The plugs keep building up with black soot ...

1997 FatBoy backfires through the carberator.New carb. Carburator backfires are almost always due to a lean condition. Check your intake manifold for air leak. Star the bike, warm it up and let it ...

1200sporty bike backfires dies under load,wont even crank until 1 hour later,then restartes idles fine,replaced battery,no change Hi It would appear that you have two (2) issues: 1. wont even crank - ...

sputtering and back firing driving down road and started to backfirs and sputter like out of gas, but not. Spark plugs good too. could it be fuel injector smell like rotton eggs???? catalytic ...

...is warmed up bike fires up real good, idles real good, but when i drive it, it will stall out and backfire some times. acts like it's not getting gas. thank u, dave kinda tough not knowing what