Harley Davidson Active Exhaust Valve

From the Harley Service Manual about the Active Exhaust Valve on international spec bikes.

Harley davidson active exhaust valve. Active Escape System For Harley-Davidson Active Exhaust Valve Bypas. It was ridden approximedly 10th to 12th times mostly around the block on normal speed. Ad Fast Free Shipping on Orders Over 40.

Exhaust system of an internal combustion engine. The Active Exhaust valve was diagnosed as seized and had the cable snipped as a cheap temporary solution. Harley-Davidson exploded-view technical drawing of the ACTIVE INTAKE AND EXHAUST assembly together with a numbered parts list from the 2016 Touring Models Parts Catalog.

Looks like a terminal connector to me but unused. Basicallythe valve opens at a certain rpm to increase intakeexhaust flowand closes at about the rpm point that exhaust decibel measurements are takenWith the Exhaust valve in the closed positionthe bike basically has a very. The flow of gasses through the combustion chamber is optimized to match the desired performance requirement and engine displacement.

Active FL exhaust 1y valve assay 1y clamp 3y ring retention 2y lg muf FL er 1y Rh muf FL er 1y actuator bracket 1y ecu. Developed by Harley-Davidson Motor Co. Dealer disabled the active exhaust valve actuator via the ECM.

Many of the recent DynaSoftail and Touring Models are fitted with Active Exhaust Valves. Engine intake manifold tuning by active noise control. If you are unsure if your bike has one of these valves then message me the year and model and I will check.

I can buy a eliminator thingy to stop fault codes and lock valve in open postion. 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. Hi all Have searched this topic on site.