When used with No-Toil's foam filter oil, this filter provides the best air filtration system in the world.

Fits Yamaha:
YFB250 Timberwolf 250 (92-00)
YFB250FW Timberwolf 4x4 (94-00)
YFB250U Timberwolf 250 (96-98)
YFM250 Moto-4 (88-92)
YFM350ER Moto-4 (87-95)
YFM350FH Big Bear 350 4x4 Hunting (99)
YFM350FW Big Bear 350 4x4 (87-99)
YFM350FWB Big Bear 350 (97-99)
YFM350U Big Bear 350 2x4 (96-99)
YFM400FA/FW Kodiak 400 4x4 (93-99)
YFM700R Raptor 700 (06-20)
YFP350U Terrapro (88)
YFU1 Pro-Hauler (89)
YFU1T Pro-Hauler (89)