1986-1990 Kawasaki 550 JS Jet Ski Carburetor Rebuild Kit Kit includes all necessary diaphragms, gaskets, and hardware required to disassemble and rebuild your PWC carburetors. Needle and seats sold separately. PWC with 2 Carburetors must order 2 Kits. Kits sold per carburetor. **Note: Gasket Kit Will Vary in Appearance According to Application - See Item Title for Compatibility. Compatibility: 1986-1990 Kawasaki 550 JS