Reed Valve Bicycle Engine. Reed valve allows the mixture to move in only one direction from the carburetor to the crankcase. Reed valves act as one way check valves that prevent this backwash.
This improves power output of modern two stroke engines. I also talk a little bit about s. Service technicians who work on two cycle engines are familiar with the symptoms that bad reed valves can present with and are likely to diagnose the problem more quickly.
In this video i explain the function of a reed valve and the issues you might have with them when servicing your dirt bike.
The reed valve is located between the carburetor and the engine crankcase and its perfect operation is critical to the performance of the engine. The block fits between the. Inspecting and replacing the reeds on your 2 stroke motorcycle is easy. 2 a reed valve consists of flexible reed petals that sit over an opening in a wedge shaped block.