Harley Davidson Exhaust Popping

Just pull it off check the gasketif its worn at all replace but most often its fine.

Harley davidson exhaust popping. During backfires unburnt fuel goes out through the exhaust valve on deceleration. Loosen and retighten the nuts holding it together at the cylinder head exhaust port. Depending on the cam you run also has a effect on popping when decelerating.

Vance Hines Titan 450 Slip On Harley Davidson Exhaust. The HD ECM does not shut off fuel on decel so there is some uncombusted fuel that hits the hot baffles in the muffler and burns off causing the popping. Unknown June 4 2017 at 703 AM.

Expert Gear Advice From Riders. 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.

When your exhaust valve opens after cylinder fires there is a flame present at exhaust valve. 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. Expert Gear Advice From Riders.

For older Magnetti Marelli fuel injected bikes adjusting the fuel table to remove fuel can help reduce popping. It is also necessary that the exhaust system have rather open mufflers. 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.

Popping on a Harley is not uncommon and many riders rather enjoy the light popping. For older Magnetti Marelli fuel injected bikes adjusting the fuel table to remove fuel can help reduce popping. All exhaust popping or backfiring on a Harley-Davidson motorcycle is caused by fuel combustion in the exhaust manifold or the header pipes.