Questions & Answers for: motorcycle exhaust backfire problems

...in the head(exhaust ports),air is getting into your exhaust system and it mixes with the unburnt fuel and ignites causing the backfire,i replaced copper seals(about $2nz each) and problem went ...

...backfire there is a series of pops not one loud sound Slightly rich mixture can cause fuel to run into exhaust and cause "popping" on rundown. Won't cause any problems other than fuel economy and at ...

...backfire through exhaust when decelerating Runs fine during hard acceleration. Thought it was water in fuel, but dry gas did not solve the problem. Moisture (rain) made it worse. Intake: Lean, or ...

backfire", you mean it pops through the exhaust system when you back off the throttle. On stock exhaust systems which use the "crossover" connector to connect the front and rear pipes, the backfire is

...Backfire is a problem? I like it! If you don't you might want to first check to make sure the exhaust headers are properly tightened to the head. Replace gaskets if needed, as exhaust leaks can cause ...

...pressure, motorcycle engines especially 2stroke rely on back pressure for performance, backfiring may be due to unburnt fuel igniting in the exhaust or your fuel balance is too rich, hope that

...problems are usually common with exhaust systems so the first take you should have had was to check them before thinking of your plugs. If you need more about bike functionality then you can check my ...

backfire on deacceleration after fitting new vance and hines exhaust bike backfires on deacceleration Get the fueling set up on a rolling road. Honda set the fuelling to suit the Emissions and the ...

...AND BACKFIRE Backfires are usually caused by an ignition timing problem. The spark comes when the intake or exhaust valve is open this caiuses the ignited fuel to burn in the carb or the exhaust

...exhaust good comprsion good spark What kind of motorcycle do you have, make, model, year. You may have wasted spark ignition or maybe not, this would be significant in diagnosing this problem, Does ...