Air filter element Hiflo HFA4601.
Replaces OEM numbers:Yamaha 33M-14451-00Fits the following Yamaha MotorcycleXJ400 Z,ZS (Japan)33M,35JJapanFJ600 L,LC,N,NC 84-85XJ600 51H,51J 84-85XJ600 H,N 91-92XJ600 S,SC,T,TC 86-91