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| BBI Part Number | Make | Model | Year | Details | Size | Stock | Supplier | Notes | |||
| 1. Piston Kit | |||||||||||
| W2 8894DB | YAMAHA | WRF250 | 2015-2017 | WR250 F | HC 76.96 | IN STOCK | Wossner 81 | High Comp (14.50:1) | |||
| W2 8894DB | YAMAHA | YZF250 | 2014-2015 | YZ250 F | HC 76.96 | IN STOCK | Wossner 81 | High Comp (14.50:1) | |||
| W2 8894DB | YAMAHA | YZFX250 | 2015-2016 | YZ250 FX | HC 76.96 | IN STOCK | Wossner 81 | High Comp (14.50:1) | |||
| W2 8894DC | YAMAHA | WRF250 | 2015-2017 | WR250 F | HC 76.97 | NO STOCK | Wossner 81 | High Comp (14.50:1) | |||
| W2 8894DC | YAMAHA | YZF250 | 2014-2015 | YZ250 F | HC 76.97 | NO STOCK | Wossner 81 | High Comp (14.50:1) | |||
| W2 8894DC | YAMAHA | YZFX250 | 2015-2016 | YZ250 FX | HC 76.97 | NO STOCK | Wossner 81 | High Comp (14.50:1) | |||
| W2 8895DA | YAMAHA | WRF450 | 2016-2018 | WR450 F | 96.96 STD | IN STOCK | Wossner 81 | STD Comp 12.50:1 | |||
| W2 8895DA | YAMAHA | YZF450 | 2014-2017 | YZ450 F | 96.96 STD | IN STOCK | Wossner 81 | STD Comp 12.50:1 | |||
| W2 8895DA | YAMAHA | YZFX450 | 2016-2018 | YZ450 FX | 96.96 STD | IN STOCK | Wossner 81 | STD Comp 12.50:1 | |||
| W2 8895DB | YAMAHA | WRF450 | 2016-2018 | WR450 F | 96.97 | IN STOCK | Wossner 81 | STD Comp 12.50:1 | |||
| W2 8895DB | YAMAHA | YZF450 | 2014-2017 | YZ450 F | 96.97 | IN STOCK | Wossner 81 | STD Comp 12.50:1 | |||
| W2 8895DB | YAMAHA | YZFX450 | 2016-2018 | YZ450 FX | 96.97 | IN STOCK | Wossner 81 | STD Comp 12.50:1 | |||
| W2 8895DC | YAMAHA | WRF450 | 2016-2018 | WR450 F | 96.98 | IN STOCK | Wossner 81 | STD Comp 12.50:1 | |||
| W2 8895DC | YAMAHA | YZF450 | 2014-2017 | YZ450 F | 96.98 | IN STOCK | Wossner 81 | STD Comp 12.50:1 | |||
| W2 8895DC | YAMAHA | YZFX450 | 2016-2018 | YZ450 FX | 96.98 | IN STOCK | Wossner 81 | STD Comp 12.50:1 | |||
| W2 8896DA | YAMAHA | WRF450 | 2016-2018 | WR450 F | HC 96.96 | IN STOCK | Wossner 81 | Hi Comp (13.50:1 Ratio) | |||
| W2 8896DA | YAMAHA | YZF450 | 2014-2017 | YZ450 F | HC 96.96 | IN STOCK | Wossner 81 | Hi Comp (13.50:1 Ratio) | |||
| W2 8896DA | YAMAHA | YZFX450 | 2016-2018 | YZ450 FX | HC 96.96 | IN STOCK | Wossner 81 | Hi Comp (13.50:1 Ratio) | |||
| W2 8896DB | YAMAHA | WRF450 | 2016-2018 | WR450 F | HC 96.97 | IN STOCK | Wossner 81 | Hi Comp (13.50:1 Ratio) | |||
| W2 8896DB | YAMAHA | YZF450 | 2014-2017 | YZ450 F | HC 96.97 | IN STOCK | Wossner 81 | Hi Comp (13.50:1 Ratio) | |||
| W2 8896DB | YAMAHA | YZFX450 | 2016-2018 | YZ450 FX | HC 96.97 | IN STOCK | Wossner 81 | Hi Comp (13.50:1 Ratio) | |||
| W2 8896DC | YAMAHA | WRF450 | 2016-2018 | WR450 F | HC 96.98 | IN STOCK | Wossner 81 | Hi Comp (13.50:1 Ratio) | |||
| W2 8896DC | YAMAHA | YZF450 | 2014-2017 | YZ450 F | HC 96.98 | IN STOCK | Wossner 81 | Hi Comp (13.50:1 Ratio) | |||
| W2 8896DC | YAMAHA | YZFX450 | 2016-2018 | YZ450 FX | HC 96.98 | IN STOCK | Wossner 81 | Hi Comp (13.50:1 Ratio) | |||
| W2 8901D050 | YAMAHA | YFM400 | 2000-2006 | YFM400 KODIAK | 84.92mm | IN STOCK | Wossner 81 | ||||
| W2 8901D050 | YAMAHA | YFM400 | 2007-2008 | YFM400 GRIZZLY | 84.92mm | IN STOCK | Wossner 81 | ||||
| W2 8901D100 | YAMAHA | YFM400 | 2000-2006 | YFM400 KODIAK | 85.42mm | NO STOCK | Wossner 81 | NLA - LAST ONES | |||
| W2 8901D100 | YAMAHA | YFM400 | 2007-2008 | YFM400 GRIZZLY | 85.42mm | NO STOCK | Wossner 81 | NLA - LAST ONES | |||
| W2 8901DA | YAMAHA | YFM400 | 2000-2006 | YFM400 KODIAK | 84.42mm | IN STOCK | Wossner 81 | ||||
| W2 8901DA | YAMAHA | YFM400 | 2007-2008 | YFM400 GRIZZLY | 84.42mm | IN STOCK | Wossner 81 | ||||
| W2 8903D050 | YAMAHA | YFM400 | 1993-1999 | YFM400 KODIAK F/FW | 83.43 | IN STOCK | Wossner 81 | ||||
| W2 8903D050 | YAMAHA | YFM400 | 2000-2012 | YFM400 BIG BEAR | 83.43 | IN STOCK | Wossner 81 | ||||
| W2 8903D100 | YAMAHA | YFM400 | 1993-1999 | YFM400 KODIAK F/FW | 83.93 | IN STOCK | Wossner 81 | ||||
| W2 8903D100 | YAMAHA | YFM400 | 2000-2012 | YFM400 BIG BEAR | 83.93 | IN STOCK | Wossner 81 | ||||
| W2 8903DA | YAMAHA | YFM400 | 1993-1999 | YFM400 KODIAK F/FW | 82.93 | IN STOCK | Wossner 81 | ||||
| W2 8903DA | YAMAHA | YFM400 | 2000-2012 | YFM400 BIG BEAR | 82.93 | IN STOCK | Wossner 81 | ||||
| W2 8904D050 | YAMAHA | YFM450 | 2003-2006 | YFM450 KODIAK | 84.95mm | IN STOCK | Wossner 81 | ||||
| W2 8904D050 | YAMAHA | YFM450 | 2006-2010 | YFM450 WOLVERINE | 84.95mm | IN STOCK | Wossner 81 | ||||
| W2 8904D050 | YAMAHA | YFM450 | 2007-2014 | YFM450 GRIZZLY | 84.95mm | IN STOCK | Wossner 81 | ||||
| W2 8904D050 | YAMAHA | YFM450 | 2018-2024 | YFM450 KODIAK | 84.95mm | IN STOCK | Wossner 81 | ||||
| W2 8904D050 | YAMAHA | YXR450 | 2006-2009 | YXR450 RHINO | 84.95mm | IN STOCK | Wossner 81 | ||||
| W2 8904D100 | YAMAHA | YFM450 | 2003-2006 | YFM450 KODIAK | 85.45mm | IN STOCK | Wossner 81 | ||||
| W2 8904D100 | YAMAHA | YFM450 | 2006-2010 | YFM450 WOLVERINE | 85.45mm | IN STOCK | Wossner 81 | ||||
| W2 8904D100 | YAMAHA | YFM450 | 2007-2014 | YFM450 GRIZZLY | 85.45mm | IN STOCK | Wossner 81 | ||||
| W2 8904D100 | YAMAHA | YFM450 | 2018-2024 | YFM450 KODIAK | 85.45mm | IN STOCK | Wossner 81 | ||||
| W2 8904D100 | YAMAHA | YXR450 | 2006-2009 | YXR450 RHINO | 85.45mm | IN STOCK | Wossner 81 | ||||
| W2 8904DA | YAMAHA | YFM450 | 2003-2006 | YFM450 KODIAK | 84.45mm | IN STOCK | Wossner 81 | ||||
| W2 8904DA | YAMAHA | YFM450 | 2006-2010 | YFM450 WOLVERINE | 84.45mm | IN STOCK | Wossner 81 | ||||
| W2 8904DA | YAMAHA | YFM450 | 2007-2014 | YFM450 GRIZZLY | 84.45mm | IN STOCK | Wossner 81 | ||||
| W2 8904DA | YAMAHA | YFM450 | 2018-2024 | YFM450 KODIAK | 84.45mm | IN STOCK | Wossner 81 | ||||
| W2 8904DA | YAMAHA | YXR450 | 2006-2009 | YXR450 RHINO | 84.45mm | IN STOCK | Wossner 81 | ||||
| W2 8926D100 | YAMAHA | YFM700 | 2014-2015 | YFM700 GRIZZLY | 102.94 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926D100 | YAMAHA | YFM700 | 2015-2024 | YFM700R RAPTOR | 102.94 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926D100 | YAMAHA | YFM700 | 2016-2018 | YFM700 KODIAK | 102.94 (HC 11:1) | IN STOCK | Wossner 81 | STD Bore for this engine | |||
| W2 8926D100 | YAMAHA | YFM700 | 2016-2018 | YFM700 GRIZZLY | 102.94 (HC 11:1) | IN STOCK | Wossner 81 | STD Bore for this engine | |||
| W2 8926D100 | YAMAHA | YFM700 | 2019-2024 | YFM700 GRIZZLY | 102.94 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926D100 | YAMAHA | YFM700 | 2019-2024 | YFM700 KODIAK | 102.94 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926D100 | YAMAHA | YXE700 | 2016-2018 | YXE700 WOLVERINE | 102.94 (HC 11:1) | IN STOCK | Wossner 81 | STD Bore for this engine | |||
| W2 8926D100 | YAMAHA | YXM700 | 2014-2024 | YXM700 VIKING | 102.94 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926D150 | YAMAHA | YFM700 | 2014-2015 | YFM700 GRIZZLY | 103.44 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926D150 | YAMAHA | YFM700 | 2015-2024 | YFM700R RAPTOR | 103.44 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926D150 | YAMAHA | YFM700 | 2016-2018 | YFM700 KODIAK | 103.44 (HC 11:1) | IN STOCK | Wossner 81 | 0.5mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 8926D150 | YAMAHA | YFM700 | 2016-2018 | YFM700 GRIZZLY | 103.44 (HC 11:1) | IN STOCK | Wossner 81 | 0.5mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 8926D150 | YAMAHA | YFM700 | 2019-2024 | YFM700 GRIZZLY | 103.44 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926D150 | YAMAHA | YFM700 | 2019-2024 | YFM700 KODIAK | 103.44 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926D150 | YAMAHA | YXE700 | 2016-2018 | YXE700 WOLVERINE | 103.44 (HC 11:1) | IN STOCK | Wossner 81 | 0.5mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 8926D150 | YAMAHA | YXM700 | 2014-2024 | YXM700 VIKING | 103.44 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926D200 | YAMAHA | YFM700 | 2014-2015 | YFM700 GRIZZLY | 103.94 (HC 11:1) | NO STOCK | Wossner 81 | ||||
| W2 8926D200 | YAMAHA | YFM700 | 2015-2024 | YFM700R RAPTOR | 103.94 (HC 11:1) | NO STOCK | Wossner 81 | ||||
| W2 8926D200 | YAMAHA | YFM700 | 2016-2018 | YFM700 KODIAK | 103.94 (HC 11:1) | NO STOCK | Wossner 81 | 1mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 8926D200 | YAMAHA | YFM700 | 2016-2018 | YFM700 GRIZZLY | 103.94 (HC 11:1) | NO STOCK | Wossner 81 | 1mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 8926D200 | YAMAHA | YFM700 | 2019-2024 | YFM700 GRIZZLY | 103.94 (HC 11:1) | NO STOCK | Wossner 81 | ||||
| W2 8926D200 | YAMAHA | YFM700 | 2019-2024 | YFM700 KODIAK | 103.94 (HC 11:1) | NO STOCK | Wossner 81 | ||||
| W2 8926D200 | YAMAHA | YXE700 | 2016-2018 | YXE700 WOLVERINE | 103.94 (HC 11:1) | NO STOCK | Wossner 81 | 1mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 8926D200 | YAMAHA | YXM700 | 2014-2024 | YXM700 VIKING | 103.94 (HC 11:1) | NO STOCK | Wossner 81 | ||||
| W2 8926DA | YAMAHA | YFM700 | 2014-2015 | YFM700 GRIZZLY | 101.94 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926DA | YAMAHA | YFM700 | 2015-2024 | YFM700R RAPTOR | 101.94 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926DA | YAMAHA | YFM700 | 2019-2024 | YFM700 GRIZZLY | 101.94 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926DA | YAMAHA | YFM700 | 2019-2024 | YFM700 KODIAK | 101.94 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926DA | YAMAHA | YXM700 | 2014-2024 | YXM700 VIKING | 101.94 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926DB | YAMAHA | YFM700 | 2014-2015 | YFM700 GRIZZLY | 101.95 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926DB | YAMAHA | YFM700 | 2015-2024 | YFM700R RAPTOR | 101.95 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926DB | YAMAHA | YFM700 | 2019-2024 | YFM700 GRIZZLY | 101.95 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926DB | YAMAHA | YFM700 | 2019-2024 | YFM700 KODIAK | 101.95 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8926DB | YAMAHA | YXM700 | 2014-2024 | YXM700 VIKING | 101.95 (HC 11:1) | IN STOCK | Wossner 81 | ||||
| W2 8933D025 | YAMAHA | TT225 | 1986-1987 | TT225 | HC 70.18mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D025 | YAMAHA | TTR225 | 1999-2004 | TT-R 225 | HC 70.18mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D025 | YAMAHA | TTR230 | 2005-2024 | TT-R 230 | HC 70.18mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D025 | YAMAHA | XT225 | 1992-2000 | XT225 | HC 70.18mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D050 | YAMAHA | TT225 | 1986-1987 | TT225 | HC 70.43mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D050 | YAMAHA | TTR225 | 1999-2004 | TT-R 225 | HC 70.43mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D050 | YAMAHA | TTR230 | 2005-2024 | TT-R 230 | HC 70.43mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D050 | YAMAHA | XT225 | 1992-2000 | XT225 | HC 70.43mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D100 | YAMAHA | TT225 | 1986-1987 | TT225 | HC 70.93mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D100 | YAMAHA | TTR225 | 1999-2004 | TT-R 225 | HC 70.93mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D100 | YAMAHA | TTR230 | 2005-2024 | TT-R 230 | HC 70.93mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933D100 | YAMAHA | XT225 | 1992-2000 | XT225 | HC 70.93mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933DA | YAMAHA | TT225 | 1986-1987 | TT225 | HC 69.93mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933DA | YAMAHA | TTR225 | 1999-2004 | TT-R 225 | HC 69.93mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933DA | YAMAHA | TTR230 | 2005-2024 | TT-R 230 | HC 69.93mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8933DA | YAMAHA | XT225 | 1992-2000 | XT225 | HC 69.93mm | IN STOCK | Wossner 81 | Hi Comp (10.0:1 Ratio) | |||
| W2 8942DA | YAMAHA | WRF250 | 2018-2019 | WR250 F | 76.95mm | IN STOCK | Wossner 81 | Forged Piston | |||
| W2 8942DA | YAMAHA | YZF250 | 2016-2018 | YZ250 F | 76.95mm | IN STOCK | Wossner 81 | Forged Piston | |||
| W2 8942DA | YAMAHA | YZFX250 | 2017-2019 | YZ250 FX | 76.95mm | IN STOCK | Wossner 81 | Forged Piston | |||
| W2 8942DB | YAMAHA | WRF250 | 2018-2019 | WR250 F | 76.96mm | IN STOCK | Wossner 81 | Forged Piston | |||
| W2 8942DB | YAMAHA | YZF250 | 2016-2018 | YZ250 F | 76.96mm | IN STOCK | Wossner 81 | Forged Piston | |||
| W2 8942DB | YAMAHA | YZFX250 | 2017-2019 | YZ250 FX | 76.96mm | IN STOCK | Wossner 81 | Forged Piston | |||
| W2 8942DC | YAMAHA | WRF250 | 2018-2019 | WR250 F | 76.97mm | IN STOCK | Wossner 81 | Forged Piston | |||
| W2 8942DC | YAMAHA | YZF250 | 2016-2018 | YZ250 F | 76.97mm | IN STOCK | Wossner 81 | Forged Piston | |||
| W2 8942DC | YAMAHA | YZFX250 | 2017-2019 | YZ250 FX | 76.97mm | IN STOCK | Wossner 81 | Forged Piston | |||
| W2 8946DA | YAMAHA | WRF250 | 2018-2019 | WR250 F | 76.95mm (High Comp 14.20:1) | IN STOCK | Wossner 81 | Double Bridge Forging | |||
| W2 8946DA | YAMAHA | YZF250 | 2016-2018 | YZ250 F | 76.95mm (High Comp 14.20:1) | IN STOCK | Wossner 81 | Double Bridge Forging | |||
| W2 8946DA | YAMAHA | YZFX250 | 2017-2019 | YZ250 FX | 76.95mm (High Comp 14.20:1) | IN STOCK | Wossner 81 | Double Bridge Forging | |||
| W2 8946DB | YAMAHA | WRF250 | 2018-2019 | WR250 F | 76.96mm (High Comp 14.20:1) | IN STOCK | Wossner 81 | Double Bridge Forging | |||
| W2 8946DB | YAMAHA | YZF250 | 2016-2018 | YZ250 F | 76.96mm (High Comp 14.20:1) | IN STOCK | Wossner 81 | Double Bridge Forging | |||
| W2 8946DB | YAMAHA | YZFX250 | 2017-2019 | YZ250 FX | 76.96mm (High Comp 14.20:1) | IN STOCK | Wossner 81 | Double Bridge Forging | |||
| W2 8946DC | YAMAHA | WRF250 | 2018-2019 | WR250 F | 76.97mm (High Comp 14.20:1) | IN STOCK | Wossner 81 | Double Bridge Forging | |||
| W2 8946DC | YAMAHA | YZF250 | 2016-2018 | YZ250 F | 76.97mm (High Comp 14.20:1) | IN STOCK | Wossner 81 | Double Bridge Forging | |||
| W2 8946DC | YAMAHA | YZFX250 | 2017-2019 | YZ250 FX | 76.97mm (High Comp 14.20:1) | IN STOCK | Wossner 81 | Double Bridge Forging | |||
| W2 8949DA | YAMAHA | WRF450 | 2019-2020 | WR450 F | 96.96mm | IN STOCK | Wossner 81 | STD Comp (12.90:1 Ratio) | |||
| W2 8949DA | YAMAHA | YZF450 | 2018-2019 | YZ450 F | 96.96mm | IN STOCK | Wossner 81 | STD Comp (12.90:1 Ratio) | |||
| W2 8949DA | YAMAHA | YZFX450 | 2019-2020 | YZ450 FX | 96.96mm | IN STOCK | Wossner 81 | STD Comp (12.90:1 Ratio) | |||
| W2 8949DB | YAMAHA | WRF450 | 2019-2020 | WR450 F | 96.97mm | IN STOCK | Wossner 81 | STD Comp (12.90:1 Ratio) | |||
| W2 8949DB | YAMAHA | YZF450 | 2018-2019 | YZ450 F | 96.97mm | IN STOCK | Wossner 81 | STD Comp (12.90:1 Ratio) | |||
| W2 8949DB | YAMAHA | YZFX450 | 2019-2020 | YZ450 FX | 96.97mm | IN STOCK | Wossner 81 | STD Comp (12.90:1 Ratio) | |||
| W2 8949DC | YAMAHA | WRF450 | 2019-2020 | WR450 F | 96.98mm | IN STOCK | Wossner 81 | STD Comp (12.90:1 Ratio) | |||
| W2 8949DC | YAMAHA | YZF450 | 2018-2019 | YZ450 F | 96.98mm | IN STOCK | Wossner 81 | STD Comp (12.90:1 Ratio) | |||
| W2 8949DC | YAMAHA | YZFX450 | 2019-2020 | YZ450 FX | 96.98mm | IN STOCK | Wossner 81 | STD Comp (12.90:1 Ratio) | |||
| W2 8950DA | YAMAHA | WRF450 | 2019-2020 | WR450 F | 96.96mm (High Comp 13.60:1) | IN STOCK | Wossner 81 | 3D Machined, OEM Rings, Forged | |||
| W2 8950DA | YAMAHA | YZF450 | 2018-2019 | YZ450 F | 96.96mm (High Comp 13.60:1) | IN STOCK | Wossner 81 | 3D Machined, OEM Rings, Forged | |||
| W2 8950DA | YAMAHA | YZFX450 | 2019-2020 | YZ450 FX | 96.96mm (High Comp 13.60:1) | IN STOCK | Wossner 81 | 3D Machined, OEM Rings, Forged | |||
| W2 8950DB | YAMAHA | WRF450 | 2019-2020 | WR450 F | 96.97mm (High Comp 13.60:1) | IN STOCK | Wossner 81 | 3D Machined, OEM Rings, Forged | |||
| W2 8950DB | YAMAHA | YZF450 | 2018-2019 | YZ450 F | 96.97mm (High Comp 13.60:1) | IN STOCK | Wossner 81 | 3D Machined, OEM Rings, Forged | |||
| W2 8950DB | YAMAHA | YZFX450 | 2019-2020 | YZ450 FX | 96.97mm (High Comp 13.60:1) | IN STOCK | Wossner 81 | 3D Machined, OEM Rings, Forged | |||
| W2 8950DC | YAMAHA | WRF450 | 2019-2020 | WR450 F | 96.98mm (High Comp 13.60:1) | IN STOCK | Wossner 81 | 3D Machined, OEM Rings, Forged | |||
| W2 8950DC | YAMAHA | YZF450 | 2018-2019 | YZ450 F | 96.98mm (High Comp 13.60:1) | IN STOCK | Wossner 81 | 3D Machined, OEM Rings, Forged | |||
| W2 8950DC | YAMAHA | YZFX450 | 2019-2020 | YZ450 FX | 96.98mm (High Comp 13.60:1) | IN STOCK | Wossner 81 | 3D Machined, OEM Rings, Forged | |||
| W2 8953D050 | YAMAHA | BW350 | 1987-1988 | BW350 T | 83.44 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D050 | YAMAHA | YFM350 | 1987-2004 | YFM350 WARRIOR | 83.44 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D050 | YAMAHA | YFM350 | 1999 | YFM350 BIG BEAR | 83.44 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D050 | YAMAHA | YFM350 | 2004-2006 | YFM350 BRUIN | 83.44 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D050 | YAMAHA | YFM350 | 2004-2013 | YFM350 RAPTOR | 83.44 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D050 | YAMAHA | YFM350 | 2006-2009 | YFM350 WOLVERINE | 83.44 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D050 | YAMAHA | YFM350 | 2007-2014 | YFM350 GRIZZLY | 83.44 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D100 | YAMAHA | BW350 | 1987-1988 | BW350 T | 83.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D100 | YAMAHA | YFM350 | 1987-2004 | YFM350 WARRIOR | 83.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D100 | YAMAHA | YFM350 | 1999 | YFM350 BIG BEAR | 83.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D100 | YAMAHA | YFM350 | 2004-2006 | YFM350 BRUIN | 83.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D100 | YAMAHA | YFM350 | 2004-2013 | YFM350 RAPTOR | 83.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D100 | YAMAHA | YFM350 | 2006-2009 | YFM350 WOLVERINE | 83.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953D100 | YAMAHA | YFM350 | 2007-2014 | YFM350 GRIZZLY | 83.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953DA | YAMAHA | BW350 | 1987-1988 | BW350 T | 82.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953DA | YAMAHA | YFM350 | 1987-2004 | YFM350 WARRIOR | 82.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953DA | YAMAHA | YFM350 | 1999 | YFM350 BIG BEAR | 82.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953DA | YAMAHA | YFM350 | 2004-2006 | YFM350 BRUIN | 82.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953DA | YAMAHA | YFM350 | 2004-2013 | YFM350 RAPTOR | 82.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953DA | YAMAHA | YFM350 | 2006-2009 | YFM350 WOLVERINE | 82.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8953DA | YAMAHA | YFM350 | 2007-2014 | YFM350 GRIZZLY | 82.94 | IN STOCK | Wossner 81 | High Compression (12.0:1) | |||
| W2 8957DA | Fantic | XEF250 | 2022 | XEF250 | 76.96mm STD | IN STOCK | Wossner 81 | ||||
| W2 8957DA | Fantic | XXF250 | 2022 | XXF250 | 76.96mm STD | IN STOCK | Wossner 81 | ||||
| W2 8957DA | YAMAHA | WRF250 | 2020-2024 | WR250 F | 76.96mm STD | IN STOCK | Wossner 81 | ||||
| W2 8957DA | YAMAHA | YZF250 | 2019-2024 | YZ250 F | 76.96mm STD | IN STOCK | Wossner 81 | ||||
| W2 8957DA | YAMAHA | YZFX250 | 2020-2024 | YZ250 FX | 76.96mm STD | IN STOCK | Wossner 81 | ||||
| W2 8957DB | Fantic | XEF250 | 2022 | XEF250 | 76.97mm | IN STOCK | Wossner 81 | ||||
| W2 8957DB | Fantic | XXF250 | 2022 | XXF250 | 76.97mm | IN STOCK | Wossner 81 | ||||
| W2 8957DB | YAMAHA | WRF250 | 2020-2024 | WR250 F | 76.97mm | IN STOCK | Wossner 81 | ||||
| W2 8957DB | YAMAHA | YZF250 | 2019-2024 | YZ250 F | 76.97mm | IN STOCK | Wossner 81 | ||||
| W2 8957DB | YAMAHA | YZFX250 | 2020-2024 | YZ250 FX | 76.97mm | IN STOCK | Wossner 81 | ||||
| W2 8963DA | Fantic | XEF250 | 2022 | XEF250 | 76.96 STD | IN STOCK | Wossner 81 | Hi Comp (14.2:1 Ratio) | |||
| W2 8963DA | Fantic | XXF250 | 2022 | XXF250 | 76.96 STD | IN STOCK | Wossner 81 | Hi Comp (14.2:1 Ratio) | |||
| W2 8963DA | YAMAHA | WRF250 | 2020-2024 | WR250 F | 76.96 STD | IN STOCK | Wossner 81 | Hi Comp (14.2:1 Ratio) | |||
| W2 8963DA | YAMAHA | YZF250 | 2019-2024 | YZ250 F | 76.96 STD | IN STOCK | Wossner 81 | Hi Comp (14.2:1 Ratio) | |||
| W2 8963DA | YAMAHA | YZFX250 | 2020-2024 | YZ250 FX | 76.96 STD | IN STOCK | Wossner 81 | Hi Comp (14.2:1 Ratio) | |||
| W2 8963DB | Fantic | XEF250 | 2022 | XEF250 | 76.97 | IN STOCK | Wossner 81 | Hi Comp (14.2:1 Ratio) | |||
| W2 8963DB | Fantic | XXF250 | 2022 | XXF250 | 76.97 | IN STOCK | Wossner 81 | Hi Comp (14.2:1 Ratio) | |||
| W2 8963DB | YAMAHA | WRF250 | 2020-2024 | WR250 F | 76.97 | IN STOCK | Wossner 81 | Hi Comp (14.2:1 Ratio) | |||
| W2 8963DB | YAMAHA | YZF250 | 2019-2024 | YZ250 F | 76.97 | IN STOCK | Wossner 81 | Hi Comp (14.2:1 Ratio) | |||
| W2 8963DB | YAMAHA | YZFX250 | 2020-2024 | YZ250 FX | 76.97 | IN STOCK | Wossner 81 | Hi Comp (14.2:1 Ratio) | |||
| W2 8964DA | Fantic | XEF450 | 2022 | XEF450 | 96.96mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DA | Fantic | XXF450 | 2022 | XXF450 | 96.96mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DA | YAMAHA | WRF450 | 2021-2023 | WR450 F | 96.96mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DA | YAMAHA | YZF450 | 2020-2022 | YZ450 F | 96.96mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DA | YAMAHA | YZFX450 | 2021-2023 | YZ450 FX | 96.96mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DB | Fantic | XEF450 | 2022 | XEF450 | 96.97mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DB | Fantic | XXF450 | 2022 | XXF450 | 96.97mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DB | YAMAHA | WRF450 | 2021-2023 | WR450 F | 96.97mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DB | YAMAHA | YZF450 | 2020-2022 | YZ450 F | 96.97mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DB | YAMAHA | YZFX450 | 2021-2023 | YZ450 FX | 96.97mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DC | Fantic | XEF450 | 2022 | XEF450 | 96.98mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DC | Fantic | XXF450 | 2022 | XXF450 | 96.98mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DC | YAMAHA | WRF450 | 2021-2023 | WR450 F | 96.98mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DC | YAMAHA | YZF450 | 2020-2022 | YZ450 F | 96.98mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8964DC | YAMAHA | YZFX450 | 2021-2023 | YZ450 FX | 96.98mm | IN STOCK | Wossner 81 | 3 Ring Version | |||
| W2 8965DA | Fantic | XEF450 | 2022 | XEF450 | 96.96mm | IN STOCK | Wossner 81 | Twin Ring | |||
| W2 8965DA | Fantic | XXF450 | 2022 | XXF450 | 96.96mm | IN STOCK | Wossner 81 | Twin Ring | |||
| W2 8965DA | YAMAHA | WRF450 | 2021-2023 | WR450 F | 96.96mm | IN STOCK | Wossner 81 | Twin Ring | |||
| W2 8965DA | YAMAHA | YZF450 | 2020-2022 | YZ450 F | 96.96mm | IN STOCK | Wossner 81 | Twin Ring | |||
| W2 8965DA | YAMAHA | YZFX450 | 2021-2023 | YZ450 FX | 96.96mm | IN STOCK | Wossner 81 | Twin Ring | |||
| W2 8965DB | Fantic | XEF450 | 2022 | XEF450 | 96.97mm | IN STOCK | Wossner 81 | Twin Ring | |||
| W2 8965DB | Fantic | XXF450 | 2022 | XXF450 | 96.97mm | IN STOCK | Wossner 81 | Twin Ring | |||
Note: Pricing and availability information last updated on Wednesday 28th January 2026 at 6:01pm.





