Why is my Harley Sportster backfiring?
Backfiring during acceleration typically signifies air in the intake system of a Harley Davidson. This means the system has developed an air leak, which results in extra air going in the engine. The extra air unbalances your engine leading to backfires.
Can a carburetor cause a backfire?
Too much air and not enough fuel causes backfires to occur in the intake manifold. The exploding mixture then vents through the carburetor. Improper carburetor adjustments or vacuum leaks can cause this condition.
Why does my Harley Davidson keep backfiring and sputtering?
About 3-4 minutes of riding it was fine. After work, started bike and it did a half start and died, started up (hesitantly) 2ND time. warmed it up, rode 5 mins backfiring, spitting fire etc. Pulled over, called for a ride. Bought new plugs. When we pulled the plugs the gapping was wrong.
What to do when your Harley starts stalling?
Start the bike cold. Mist the intake flanges with brake cleaner. If your bike’s idle drops, or the engine stalls, you have an intake leak. If this is the case, replace the intake seals along with the front & rear intake flanges. If the bike passes the intake test; have the dealer or your mechanic scan the m/c for possible codes.
What causes a Harley Davidson engine to stall?
A: Bob, the most common reason a m/c will act this way is because of an intake leak. Start the bike cold. Mist the intake flanges with brake cleaner. If your bike’s idle drops, or the engine stalls, you have an intake leak.
What should I do if my Sportster backfires?
Check your exhaust system gaskets and replace them if necessary. This should stop your problem. Rejetting the carb may be necessary as well. You can’t post conmments that contain an email address.
About 3-4 minutes of riding it was fine. After work, started bike and it did a half start and died, started up (hesitantly) 2ND time. warmed it up, rode 5 mins backfiring, spitting fire etc. Pulled over, called for a ride. Bought new plugs. When we pulled the plugs the gapping was wrong.
Why does my Harley Davidson start and stall?
All in all it’s a strong running bike and this is usually just a minor annoyance, still if there’s a quick fix I’d love to hear it.Thanks -Bob A: Bob, the most common reason a m/c will act this way is because of an intake leak. Start the bike cold. Mist the intake flanges with brake cleaner.
What does it mean when a Sportster backfires?
Ok, due to different terminology used by different people, I’m going to assume that by “backfire”, you mean it pops through the exhaust system when you back off the throttle.
Is there a problem with my Harley Davidson?
Click to expand… yea it was runing good before and it start fine as usual just when riding that it stall. i am going to take the battery off and get it checked and clean the end as u said thank you , hopefully thats the issue Yea hopefully it something simple. Check plugs and wires also.