If it's running lean or if you're using low octane gas.
yes, 20 year Harley tech.
probably a bad spark, itll cause your engine to misfire flooding petrol in without igniting it, when it sparks afterwards it ignites causing a bang and backfire.
There are too many reasons this can happen to be positive, however the most common reason is the exhaust pipe is not snug, or bad gasket at the manifold. Where it bolts to the cylinder. If it is not that, you will need a harley mechanic to look at it.
The engine may backfire excessively. You may also smell a strong exhaust odor in the riding position. In worst cases, it can cause the engine to run lean.
backfire is the best! rubbish! loosers L
Cars do backfire because of the mechanical failures.
The duration of Backfire - film - is 1.5 hours.
Pardon My Backfire was created on 1953-08-15.
Smiling Can Backfire was created on 2007-12-31.
Backfire - film - was created on 1988-06-21.
Backfire at the Disco was created on 2007-04-09.
Internal combustion engines can backfire. In order to prevent flames from the backfire causing a fire on board, an approved backfire flame arrestor must be attached to the air intake with a flame tight connection.