your right hand can stay on the controls (throttle and front brake)

Made from heat-treated

It sits a little more forward on the shell and is fed by 3 ports in the shell

which can leave the timing chain in a slack condition

All Balls Racing - Air Cut off Valve Rebuild Kit (46-1019) Options:(46-1019) your right hand can stayKit Includes all necessary parts to rebuild the air cut off valve circuit. Models with multiple carburetors include components to repair all carburetors. Kit includes necessary o rings, diaphragm, spring, screws. Improperly functioning air cut off valves can stick open or closed causing popping on deceleration or poor running conditions.