You'll have to mill down your crankcase (at least 38mm) to to make it equivalent to the measurements of Minarelli horizontal engines. As it has a larger intake area, it is ideally suited for carburetors with bigger diameter. You can combine this reed valve with a 30mm intake manifold (Stage6, Hebo, etc.)

• Brand: Polini
• SKU: P213.0055
• Availability: In stock

Notes and Safety Reed valves for scooter, motorcycle and mopedThe reed valve is an integral part of the intake system. It usually sits under the intake manifold.How does a reed valve work?The reed valve is usually V-shaped and is equpped with two blades. When the reed valve is opened, mixture will flow; when the reed valve is closed, the flow is significantly reduced. The flow is controlled by the opening of the carburetor slide, which controls the amount of mixture and affects RPM.What kind of reed valve?The type and shape of the reed valve can affect engine performance. Common types include the V-Force reed valve in a W-shape with 4 reed petals, and oversize versions with more volume than