Mikuni Air cutoff diaphragm kit

Comes with spring Air Cut Off Valves (also known as enrichening valves), typically fitted to avoid popping on deceleration. However, when tired they can be the cause of erratic idle and lean mixture conditions. They are all made in Japan and are a great alternative to the expensive and sometimes unobtainable genuine part. Now you can perform a thorough carburettor overhaul.