All Balls Air Cut Off Valve Rebuild Kit Model 46-4042 Kit Includes all necessary parts to rebuild the air cut off valve circuit. motorcycle models with multiple carburetors include components to repair all carburetors. Kit includes necessary O-rings, diaphragm, spring, screws. Improperly functioning air cu For: Kawasaki ZX900 Ninja ZX9R 98-03 IMPORTANT: Picture is for indication purpose only. To visually check the kit, you can visit the all balls website. The bought kit will match your motorcycle.