Parts such as the Throttle Body (an400za L1 E33): O Ring, Clamp,intake Pipe, Screw, Plate are included in the An400a Burgman 2011 (l1) Usa (e03) Throttle Body (an400za L1 E33) parts fiche.
This THROTTLE BODY (AN400ZA L1 E33) assembly utilises two O Ring(s) - the highest specified component.