Harley Davidson Exhaust Popping

Popping on a Harley is not uncommon and many riders rather enjoy the light popping.

Harley davidson exhaust popping. When your exhaust valve opens after cylinder fires there is a flame present at exhaust valve. Ways to reduce and possibly eliminate this popping are listed below and can vary between Harley-Davidson motorcycles and others. 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.

It is nothing to worry about. 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 the Harley is backfiring with the stock exhaust system still intact it might signal the exhaust pipe weakening or the muffler is malfunctioning.

A fuel pak may help to rid of some of the popping but I would first check for any leaks in the system usually the main culprit. Expert Gear Advice From Riders. It is also necessary that the exhaust system have rather open mufflers.

Expert Gear Advice From Riders. Internally the louvered core provides the bark and back pressure needed to make your bike run as well as possible. Check the slip-on connections and also where the header joins the cylinder.

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. Ever since Cobra introduced the 909 slip ons they have been getting requests for a version that aligns perfectly with the bags. 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. In fact one should expect a well-tuned high performance engine to pop and crackle when the throttle is closed at high rpm. I kind of like the sound on my bike even though it is muffled a bit.