All Balls Racing - Air Cut off Valve Rebuild Kit (46-1017) Options:(46-1017) reinforced by a metal shank

reinforced by a metal shank inside a co-injected toe reinforcement

Ideal in hot weather

A four-pocket look might be ubiquitous

The HP Corse Titanium Silencer can get your Aprilia where you want it with lightweight performance

All Balls Racing - Air Cut off Valve Rebuild Kit (46-1017) Options:(46-1017) reinforced by a metal shankKit 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.