Reed Valve Bicycle Engine

Reed valve allows the mixture to move in only one direction from the carburetor to the crankcase.

Reed valve bicycle engine. The reed valve is located between the carburetor and the engine crankcase and its perfect operation is critical to the performance of the engine. Reed valves act as one way check valves that prevent this backwash. 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.

2 a reed valve consists of flexible reed petals that sit over an opening in a wedge shaped block. In the effect reed valve improves reloading of the combustion chamber with fresh air fuel mixture. The swedish motorcycle company husqvarna produced a two stroke 500 cc displacement single cylinder engine with a reed valve controlled intake one of the biggest in using this arrangement. The unboxing authority 1 683 views.

The reed valve consists of the aluminum body and the actual petals which open and close against the valve body thousands of times a minute see the last photo on this page for a detailed view of a typical reed valve. The block fits between the. In this video i explain the function of a reed valve and the issues you might have with them when servicing your dirt bike. How to upgrade and install 2 cycle dio oko reed valve how to build a motorized bicycle part 70 duration.

Reed petals are a high wear item and should be inspected more often than not. Most technicians will suspect a problem with the reed valves only after they have exhausted all other potential problems. Reed valves going bad can be difficult to diagnose as the symptoms can often be mistaken for problems. This improves power output of modern two stroke engines.

Reed valves in two stroke engines have been placed in the intake ports and also in controlling the intake to the crankshaft space.