Mikuni Performance Carburetor – Pump Diaphragm (Membrane Assembly). Fits 40PHH, 44PHH, Solex 36PHH, 50PHH. Genuine Mikuni #N107.030. Made in Japan. Six hole, Rounded pin type. Fiber reinforced for added strength and extended life. The Genuine Mikuni Pump Diaphragm will not crack or leak like the rubber or vinyl aftermarket reproductions on the market. Item #52 in exploded view. Sold individually. One Pump Diaphragm required per carburetor.

Does not replace diaphragms with 7 or 8 holes, or hex pin type.

This item also available in some Gasket Rebuild Kit packages.

Also fits some Solex Carburetor applications with six hole, rounded pin. Fits: S type 40phh, Type 3 40PHH 44PHH, Type 4 40PHH 44PHH, Type 2 50PHH 36PHH.

Authorized Mikuni Distributor.