MPN: NA-40080-2 YAMAHA YFM80G GRIZZLY YFM80R RAPTOR YFM80 BADGER 1985-2008
MPN: NA-40080 YAMAHA YFM80G GRIZZLY YFM80R RAPTOR YFM80 BADGER 1985-2008
![PISTON KIT HYPERDRYVE 103.97/+1.00 11:1 Yamaha YFM700K Kodiak [IRS] YFM700KP Kodiak EPS [IRS] YFM700KPS Kodiak EPS SE [IRS] YXE700 Wolverine R-Spec YXE700 Wolverine R-Spec EPS YFM700G Grizzly Fi 4WD [IRS] YFM700F Grizzly Fi 4WD EPS [IRS] YFM700F Grizzly Fi 4WD EPS SE [IRS] YXE700 Wolverine R-Spec EPS SE YXE700 Wolverine EPS YFM700F Grizzly Fi 4WD EPS LE [IRS] YXE850 Wolverine X2 R-Spec YXE850 Wolverine X2 R-Spec SE YXE850 Wolverine X2 R-Spec XT-R 2016-2020](https://omxsports.com/wp-content/uploads/2025/08/namura_187_400254_1-1-430x430.jpg)
MPN: NA-40025-4 YAMAHA YFM700K KODIAK [IRS] YFM700KP KODIAK EPS [IRS] YFM700KPS KODIAK EPS SE [IRS] YXE700 WOLVERINE R-SPEC YXE700 WOLVERINE R-SPEC EPS YFM700G GRIZZLY FI 4WD [IRS] YFM700F GRIZZLY FI 4WD EPS [IRS] YFM700F GRIZZLY FI 4WD EPS SE [IRS] YXE700 WOLVERINE R-SPEC EPS SE YXE700 WOLVERINE EPS YFM700F GRIZZLY FI 4WD EPS LE [IRS] YXE850 WOLVERINE X2 R-SPEC YXE850 WOLVERINE X2 R-SPEC SE YXE850 WOLVERINE X2 R-SPEC XT-R 2016-2020
![PISTON KIT HYPERDRYVE 103.47/+0.50 11:1 Yamaha YFM700K Kodiak [IRS] YFM700KP Kodiak EPS [IRS] YFM700KPS Kodiak EPS SE [IRS] YXE700 Wolverine R-Spec YXE700 Wolverine R-Spec EPS YFM700G Grizzly Fi 4WD [IRS] YFM700F Grizzly Fi 4WD EPS [IRS] YFM700F Grizzly Fi 4WD EPS SE [IRS] YXE700 Wolverine R-Spec EPS SE YXE700 Wolverine EPS YFM700F Grizzly Fi 4WD EPS LE [IRS] YXE850 Wolverine X2 R-Spec YXE850 Wolverine X2 R-Spec SE YXE850 Wolverine X2 R-Spec XT-R 2016-2020](https://omxsports.com/wp-content/uploads/2025/08/namura_187_400252_1-1-430x430.jpg)
MPN: NA-40025-2 YAMAHA YFM700K KODIAK [IRS] YFM700KP KODIAK EPS [IRS] YFM700KPS KODIAK EPS SE [IRS] YXE700 WOLVERINE R-SPEC YXE700 WOLVERINE R-SPEC EPS YFM700G GRIZZLY FI 4WD [IRS] YFM700F GRIZZLY FI 4WD EPS [IRS] YFM700F GRIZZLY FI 4WD EPS SE [IRS] YXE700 WOLVERINE R-SPEC EPS SE YXE700 WOLVERINE EPS YFM700F GRIZZLY FI 4WD EPS LE [IRS] YXE850 WOLVERINE X2 R-SPEC YXE850 WOLVERINE X2 R-SPEC SE YXE850 WOLVERINE X2 R-SPEC XT-R 2016-2020
![PISTON KIT HYPERDRYVE 102.97/STD 11:1 Yamaha YFM700K Kodiak [IRS] YFM700KP Kodiak EPS [IRS] YFM700KPS Kodiak EPS SE [IRS] YXE700 Wolverine R-Spec YXE700 Wolverine R-Spec EPS YFM700G Grizzly Fi 4WD [IRS] YFM700F Grizzly Fi 4WD EPS [IRS] YFM700F Grizzly Fi 4WD EPS SE [IRS] YXE700 Wolverine R-Spec EPS SE YXE700 Wolverine EPS YFM700F Grizzly Fi 4WD EPS LE [IRS] 2016-2018](https://omxsports.com/wp-content/uploads/2025/08/namura_187_40025_1-430x430.gif)
MPN: NA-40025 YAMAHA YFM700K KODIAK [IRS] YFM700KP KODIAK EPS [IRS] YFM700KPS KODIAK EPS SE [IRS] YXE700 WOLVERINE R-SPEC YXE700 WOLVERINE R-SPEC EPS YFM700G GRIZZLY FI 4WD [IRS] YFM700F GRIZZLY FI 4WD EPS [IRS] YFM700F GRIZZLY FI 4WD EPS SE [IRS] YXE700 WOLVERINE R-SPEC EPS SE YXE700 WOLVERINE EPS YFM700F GRIZZLY FI 4WD EPS LE [IRS] 2016-2018
![PISTON KIT 50/+1.00 9.0:1 Yamaha YFM125G Grizzly [SRA] YFA1 Breeze 125 YFM125GH Grizzly Hunter 1989-2013](https://omxsports.com/wp-content/uploads/2025/08/namura_187_400194_1-1-430x430.jpg)
MPN: NA-40019-4 YAMAHA YFM125G GRIZZLY [SRA] YFA1 BREEZE 125 YFM125GH GRIZZLY HUNTER 1989-2013
![PISTON KIT 49.5/+0.50 9.0:1 Yamaha YFM125G Grizzly [SRA] YFA1 Breeze 125 YFM125GH Grizzly Hunter 1989-2013](https://omxsports.com/wp-content/uploads/2025/08/namura_187_400192_1-1-430x430.jpg)
MPN: NA-40019-2 YAMAHA YFM125G GRIZZLY [SRA] YFA1 BREEZE 125 YFM125GH GRIZZLY HUNTER 1989-2013
![PISTON KIT 49.00/STD 9.0:1 Yamaha YFM125G Grizzly [SRA] YFA1 Breeze 125 YFM125GH Grizzly Hunter 1989-2013](https://omxsports.com/wp-content/uploads/2025/08/namura_187_40019_1-1-430x430.jpg)
MPN: NA-40019 YAMAHA YFM125G GRIZZLY [SRA] YFA1 BREEZE 125 YFM125GH GRIZZLY HUNTER 1989-2013
![PISTON KIT 72.45/+1.50 8.7:1 Yamaha YFM250B Big Bear [SRA] YFM250B Bruin 2WD [SRA] YFM250X Bear Tracker 2WD [SRA] YFB250FW Timberwolf 4WD [SRA] YFB250 Timberwolf 2WD [SRA] 1992-2009](https://omxsports.com/wp-content/uploads/2025/08/namura_187_400156_1-1-430x430.jpg)
MPN: NA-40015-6 YAMAHA YFM250B BIG BEAR [SRA] YFM250B BRUIN 2WD [SRA] YFM250X BEAR TRACKER 2WD [SRA] YFB250FW TIMBERWOLF 4WD [SRA] YFB250 TIMBERWOLF 2WD [SRA] 1992-2009
![PISTON KIT 71.45/+0.50 8.7:1 Yamaha YFM250B Big Bear [SRA] YFM250B Bruin 2WD [SRA] YFM250X Bear Tracker 2WD [SRA] YFB250FW Timberwolf 4WD [SRA] YFB250 Timberwolf 2WD [SRA] 1992-2009](https://omxsports.com/wp-content/uploads/2025/08/namura_187_400152_1-1-430x430.jpg)
MPN: NA-40015-2 YAMAHA YFM250B BIG BEAR [SRA] YFM250B BRUIN 2WD [SRA] YFM250X BEAR TRACKER 2WD [SRA] YFB250FW TIMBERWOLF 4WD [SRA] YFB250 TIMBERWOLF 2WD [SRA] 1992-2009
![PISTON KIT 70.95/STD 8.7:1 Yamaha YFM250B Big Bear [SRA] YFM250B Bruin 2WD [SRA] YFM250X Bear Tracker 2WD [SRA] YFB250FW Timberwolf 4WD [SRA] YFB250 Timberwolf 2WD [SRA] 1992-2009](https://omxsports.com/wp-content/uploads/2025/08/namura_187_40015_1-1-430x430.jpg)
MPN: NA-40015 YAMAHA YFM250B BIG BEAR [SRA] YFM250B BRUIN 2WD [SRA] YFM250X BEAR TRACKER 2WD [SRA] YFB250FW TIMBERWOLF 4WD [SRA] YFB250 TIMBERWOLF 2WD [SRA] 1992-2009
![PISTON KIT HYPERDRYVE 101.99/+0.02 11:1 Yamaha YXM700 Viking YXM700 Viking VI YXM700 Viking VI EPS YFM700 Raptor YXM700 Viking EPS YFM700G Grizzly Fi 4WD [IRS] YFM700F Grizzly Fi 4WD EPS [IRS] YFM700F Grizzly Fi 4WD EPS SE [IRS] YFM700RSE Raptor SE YFM700R Raptor YXM700 Viking VI EPS SE YXM700 Viking EPS SE YFM700K Kodiak [IRS] YFM700KP Kodiak EPS [IRS] YFM700KPS Kodiak EPS SE [IRS] YFM700F Grizzly Fi 4WD EPS XT-R [IRS] 2014-2020](https://omxsports.com/wp-content/uploads/2025/08/namura_187_40013c_1-1-430x430.jpg)
MPN: NA-40013-C YAMAHA YXM700 VIKING YXM700 VIKING VI YXM700 VIKING VI EPS YFM700 RAPTOR YXM700 VIKING EPS YFM700G GRIZZLY FI 4WD [IRS] YFM700F GRIZZLY FI 4WD EPS [IRS] YFM700F GRIZZLY FI 4WD EPS SE [IRS] YFM700RSE RAPTOR SE YFM700R RAPTOR YXM700 VIKING VI EPS SE YXM700 VIKING EPS SE YFM700K KODIAK [IRS] YFM700KP KODIAK EPS [IRS] YFM700KPS KODIAK EPS SE [IRS] YFM700F GRIZZLY FI 4WD EPS XT-R [IRS] 2014-2020