This product can be used with Model Part# Kawasaki KFX400 4-Cycle 03-06 S549 Suzuki LT-Z400 4-Cycle 00-06 S549 Suzuki LT230 Quadsport 4-Cycle 85-94 S259 Suzuki LT4WD 250 Quadsport 4-Cycle 87-95 S259 Yamaha YT175 L 2-Cycle 82-84 S259 Yamaha YT175 K 2-Cycle 82-84 S259 Yamaha YTM 4-Cycle 84-88 S259 Yamaha YFM 225 4-Cycle 84-88 S259 Yamaha DXK 4-Cycle 84-88 S259 Yamaha DRS 4-Cycle 84-88 S259 Yamaha DXL 4-Cycle 84-88 S259 Yamaha YPM 4-Cycle 84-88 S259 Yamaha Moto-4 4-Cycle 87-88 S259 Polaris P350 Trail Boss 2-Cycle All S278 Polaris P400 2-Cycle thru 2003 S278 Suzuki LT500R Quad Racer 2-Cycle 87-90 S278 Honda ATC250R 2-Cycle 85-86 S511 Honda TRX250R 2-Cycle 85-86 S511 Honda TRX250 2-Cycle 1986 S511 Honda TRX250 2-Cycle 87-89 S511 Yamaha Tri Z 250 2-Cycle All S511 Kawasaki KXT250 A1 2-Cycle thru 1987 S513 Kawasaki Integrated Power-valve System Tecate 2-Cycle thru 1987 S513 Polaris P300 2-Cycle 94-00 S513 Suzuki LT250RF 2-Cycle 85-86 S513 Suzuki RG Quad Racer 2-Cycle 85-86 S513 Suzuki LT250 Quad Racer 2-Cycle 1987 S513 Kawasaki KXF80 2-Cycle 04-06 S538 Kawasaki KFX80 4-Cycle 04-05 S538 Suzuki LT80 2-Cycle All S538