In this schematic the "Seal" is used most often.
Check out any of the twenty-seven Throttle Body (model W) components enlisted.
Parts such as the Throttle Body (model W): Screw, Screw, Clip, Throttle Body Assembly,left are included in the Gsxr750 1997 (v) (e02 E04 E18 E22 E24 E25 E34 E39) / P37 Throttle Body (model W) parts fiche.