Harley Davidson Exhaust Valve

See ebay item 193955066944.

Harley davidson exhaust valve. 14999 Model 4270. Expert Gear Advice From Riders. Big Twin 48 - 78.

Discussion in Engine Fuel and Exhaust started by Hogfather Apr 12 2009. Find the Kibblewhite Precision Machining Exhaust Valve 1615 head dia - 20-4170 at Dennis Kirk. The exhaust system has 2 paths for the exhaust with a cable operated valve directed by a control unit sensing engine speed and throttle opening.

SuperStreet 2-1 50 State Exhaust System for 2018-2020 Softail. Years stated are given as a range and may or may not include all years within the range. The quality optics and of course the sound of the Dr.

Harley engines are very sensitive about their exhaust-to-intake ratio. What Is Harley Active Exhaust Control. 2018-2020 Harley Davidson Softail Road King Street Glide Intake Exhaust Valves.

The valve seating area measures 060 wide on the exhaust valves and 045 wide on the intake valves. To reduce sound and noise emissions produced by their line of motorcycles the Active Intake Control AIC system is an electronically controlled servo that opens and closes a valve in the intake chamber according to preset engine speeds. To reduce sound and noise emissions produced by their line of motorcycles the Active Intake Control AIC system is an electronically controlled servo that opens and closes a valve in the intake chamber according to preset engine speeds.

So if there is excess fuel in the cylinder and the valves are open you can get a backfire when the plug fires. Used Header Pipe Set with Heat Shields with O2 sensors 2010-newer FLHT. Dealer disabled the active exhaust valve actuator via the ECM.