MBRP 1985-90 Yamaha YFM 200/225 Moto-4 Direct Replacement Slip-On Exhaust w/Utility MufflerPerformance Sound In A Simple Package Directly replace your OEM muffler with an MBRP Utility Series exhaust, and hear the voice your ATV or SXS should have had from the factory. This Part Fits: Year Make Model Submodel 1985 1989 Yamaha YFM200 Moto 4 Base 1986 1988 Yamaha YFM225 Moto 4 Base 1983 1986 Yamaha YTM225 Tri Moto Base