Harley Davidson Exhaust Popping
Popping is basically caused by a leak in the exhaust system possibly at the head pipe or at a joint in the system that draws in air.
Harley davidson exhaust popping. Ever since Cobra introduced the 909 slip ons they have been getting requests for a version that aligns perfectly with the bags. If your spitting popping and having trouble keeping the engine turning at idle you most likely have a slip of the gasket on your t-pipe that connects the carb to the engine. When your exhaust valve opens after cylinder fires there is a flame present at exhaust valve.
Vance Hines Titan 450 Slip On Harley Davidson Exhaust. The popping is caused by unspent gas building up in the cylinder or within the exhaust header on decel and then finally the heat or spark will set it off. Expert Gear Advice From Riders.
During backfires unburnt fuel goes out through the exhaust valve on deceleration. It is nothing to worry about. When the Harley is backfiring with the stock exhaust system still intact it might signal the exhaust pipe weakening or the muffler is malfunctioning.
Just pull it off check the gasketif its worn at all replace but most often its fine. The popping is a result of the airfuel mixture becoming very lean when the throttle is closed and the engine is rotating well above idle speed. Ways to reduce and possibly eliminate this popping are listed below and can vary between Harley-Davidson motorcycles and others.
Unknown June 4 2017 at 703 AM. All exhaust popping or backfiring on a Harley-Davidson motorcycle is caused by fuel combustion in the exhaust manifold or the header pipes. Expert Gear Advice From Riders.
Loosen and retighten the nuts holding it together at the cylinder head exhaust port. Internally the louvered core provides the bark and back pressure needed to make your bike run as well as possible. Depending on the cam you run also has a effect on popping when decelerating.