OBSOLETE AND UNOBTAINABLE FOR QUITE SOME TIME. INLET – SORRY NO LONGER AVAILABLE (DISCONTINUED). INLET, AIR CLEANER Not Available. PLEASE STUDY ALL 12 x photos to ensure this will fit your machine. Fits the following models and components. Suzuki Motorcycle 1972 INDY – GT550 Air Cleaner. Suzuki Motorcycle 1973 INDY – GT550 AIR CLEANER (GT550K).