Harley Davidson Exhaust Popping

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.

Harley davidson exhaust popping. 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. Generally speaking it may be caused by a an exhaust manifold leak. Expert Gear Advice From Riders.

The engine backfire on deceleration is also caused by the too lean airfuel ratio - A lot of people think that the backfirepopping in the exhaust is caused by too rich mixture but its actually the other way round. Timing even slightly retarded will also greatly contribute to this popping. Cobra 909 Uppercut Slip On Harley Davidson Exhaust.

I kind of like the sound on my bike even though it is muffled a bit. 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. Vance Hines Titan 450 Slip On Harley Davidson Exhaust.

During backfires unburnt fuel goes out through the exhaust valve on deceleration. When your exhaust valve opens after cylinder fires there is a flame present at exhaust valve. Exhaust leaks can cause decel pop make sure the exhaust is sealed completely at the motor and at any other connections.

Exhaust leaks can cause decel pop make sure the exhaust is sealed completely at the motor and at any other connections. Ad Fast Free Shipping on Orders Over 40. For older Magnetti Marelli fuel injected bikes adjusting the fuel table to remove fuel can help reduce popping.

In fact one should expect a well-tuned high performance engine to pop and crackle when the throttle is closed at high rpm. Expert Gear Advice From Riders. Agreed you should check the muffler to header joint as well as the exhaust flange nut but even if tight you will still get the decel pop.