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| BBI Part Number | Make | Model | Year | Details | Size | Stock | Supplier | Notes | |||
| 1. Piston Kit | |||||||||||
| W1 8813D200 | HONDA | ATC200 | 1981-1986 | ATC200S | 67.46 | IN STOCK | Wossner 81 | ||||
| W1 8813D200 | HONDA | XL185 | 1980-2002 | XL185 | 67.46 | IN STOCK | Wossner 81 | ||||
| W1 8813D200 | HONDA | XR185 | 1979-2002 | XR185 | 67.46 | IN STOCK | Wossner 81 | ||||
| W1 8813D200 | HONDA | XR200 | 1980-1983 | XR200 | 67.46 | IN STOCK | Wossner 81 | ||||
| W1 8813D200 | HONDA | XR200 | 1983 | XR200 R | 67.46 | IN STOCK | Wossner 81 | ||||
| W1 8813D200 | HONDA | XR200 | 1986-2002 | XR200 R | 67.46 | IN STOCK | Wossner 81 | ||||
| W1 8813DA | HONDA | ATC185 | 1981-1983 | ATC185 | 65.46 STD | IN STOCK | Wossner 81 | ||||
| W1 8813DA | HONDA | ATC200 | 1981-1986 | ATC200S | 65.46 STD | IN STOCK | Wossner 81 | ||||
| W1 8813DA | HONDA | XL185 | 1980-2002 | XL185 | 65.46 STD | IN STOCK | Wossner 81 | ||||
| W1 8813DA | HONDA | XR185 | 1979-2002 | XR185 | 65.46 STD | IN STOCK | Wossner 81 | ||||
| W1 8813DA | HONDA | XR200 | 1980-1983 | XR200 | 65.46 STD | IN STOCK | Wossner 81 | ||||
| W1 8813DA | HONDA | XR200 | 1983 | XR200 R | 65.46 STD | IN STOCK | Wossner 81 | ||||
| W1 8813DA | HONDA | XR200 | 1986-2002 | XR200 R | 65.46 STD | IN STOCK | Wossner 81 | ||||
| W1 8822D050 | HONDA | XL600 | 1983-1987 | XL600 R | 100.44 | IN STOCK | Wossner 81 | ||||
| W1 8822D100 | HONDA | XL600 | 1983-1987 | XL600 R | 100.94 | IN STOCK | Wossner 81 | ||||
| W1 8861DA | HONDA | CRF150 R | 2012-2024 | CRF150 R | 65.95 | IN STOCK | Wossner 81 | ||||
| W1 8861DC | HONDA | CRF150 R | 2012-2024 | CRF150 R | 65.97 | IN STOCK | Wossner 81 | ||||
| W1 8862DA | HONDA | CRF150 R | 2012-2024 | CRF150 R | HC 65.95 | IN STOCK | Wossner 81 | Hi-Comp (12.2:1 Ratio) | |||
| W1 8862DC | HONDA | CRF150 R | 2012-2024 | CRF150 R | HC 65.97 | IN STOCK | Wossner 81 | Hi-Comp (12.2:1 Ratio) | |||
| W1 8870D050 | HONDA | TRX250 | 2002-2022 | TRX250 TE/TM Recon | 68.95mm (10.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8870D050 | HONDA | TRX250 | 2003-2008 | TRX250 EX Sport | 68.95mm (10.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8870D050 | HONDA | TRX250 | 2009-2022 | TRX250 X Sport | 68.95mm (10.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8870D100 | HONDA | TRX250 | 2002-2022 | TRX250 TE/TM Recon | 69.45mm (10.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8870D100 | HONDA | TRX250 | 2003-2008 | TRX250 EX Sport | 69.45mm (10.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8870D100 | HONDA | TRX250 | 2009-2022 | TRX250 X Sport | 69.45mm (10.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8870DA | HONDA | TRX250 | 2002-2022 | TRX250 TE/TM Recon | 68.45mm (10.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8870DA | HONDA | TRX250 | 2003-2008 | TRX250 EX Sport | 68.45mm (10.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8870DA | HONDA | TRX250 | 2009-2022 | TRX250 X Sport | 68.45mm (10.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8871D050 | HONDA | TRX350 | 2000-2006 | TRX350 FE/FM/TE/TM | 78.95 | IN STOCK | Wossner 81 | ||||
| W1 8871D100 | HONDA | TRX350 | 2000-2006 | TRX350 FE/FM/TE/TM | 79.45 | IN STOCK | Wossner 81 | ||||
| W1 8871DA | HONDA | TRX350 | 2000-2006 | TRX350 FE/FM/TE/TM | 78.45 STD | IN STOCK | Wossner 81 | ||||
| W1 8880DA | HONDA | CRF450 R | 2013-2014 | CRF450 R | 95.96 STD | IN STOCK | Wossner 81 | 2 Rings | |||
| W1 8880DB | HONDA | CRF450 R | 2013-2014 | CRF450 R | 95.97 | IN STOCK | Wossner 81 | 2 Rings | |||
| W1 8880DC | HONDA | CRF450 R | 2013-2014 | CRF450 R | 95.98 | IN STOCK | Wossner 81 | 2 Rings | |||
| W1 8881DA | HONDA | CRF450 R | 2013-2014 | CRF450 R | 95.96 (Hi-comp 13.8:1) | IN STOCK | Wossner 81 | 2 Rings | |||
| W1 8881DB | HONDA | CRF450 R | 2013-2014 | CRF450 R | 95.97 (Hi-comp 13.8:1) | IN STOCK | Wossner 81 | 2 Rings | |||
| W1 8881DC | HONDA | CRF450 R | 2013-2014 | CRF450 R | 95.98 (Hi-comp 13.8:1) | IN STOCK | Wossner 81 | 2 Rings | |||
| W1 8884DB | HONDA | CRF250 L | 2013-2017 | CRF250 L/M/Rally | 75.97 STD | IN STOCK | Wossner 81 | NLA - LAST ONES | |||
| W1 8902D050 | HONDA | TRX500 | 2001-2014 | TRX500 Rubicon/Foreman | 92.46 | IN STOCK | Wossner 81 | 20mm Pin | |||
| W1 8902D050 | HONDA | TRX500 | 2004-2008 | TRX500 Rubicon FGA | 92.46 | IN STOCK | Wossner 81 | 20mm Pin | |||
| W1 8902D100 | HONDA | TRX500 | 2001-2014 | TRX500 Rubicon/Foreman | 92.96 | IN STOCK | Wossner 81 | 20mm Pin | |||
| W1 8902D100 | HONDA | TRX500 | 2004-2008 | TRX500 Rubicon FGA | 92.96 | IN STOCK | Wossner 81 | 20mm Pin | |||
| W1 8902D150 | HONDA | TRX500 | 2001-2014 | TRX500 Rubicon/Foreman | 93.46 | IN STOCK | Wossner 81 | 20mm Pin | |||
| W1 8902D150 | HONDA | TRX500 | 2004-2008 | TRX500 Rubicon FGA | 93.46 | IN STOCK | Wossner 81 | 20mm Pin | |||
| W1 8902DA | HONDA | TRX500 | 2001-2014 | TRX500 Rubicon/Foreman | 91.96 | IN STOCK | Wossner 81 | 20mm Pin | |||
| W1 8902DA | HONDA | TRX500 | 2004-2008 | TRX500 Rubicon FGA | 91.96 | IN STOCK | Wossner 81 | 20mm Pin | |||
| W1 8912DA | HONDA | CRF250 R | 2014-2015 | CRF250 R | 76.76 STD | IN STOCK | Wossner 81 | HC 14.5:1 | |||
| W1 8912DB | HONDA | CRF250 R | 2014-2015 | CRF250 R | 76.77 | IN STOCK | Wossner 81 | HC 14.5:1 | |||
| W1 8912DC | HONDA | CRF250 R | 2014-2015 | CRF250 R | 76.78 | IN STOCK | Wossner 81 | HC 14.5:1 | |||
| W1 8919DA | HONDA | CRF450 R | 2015-2016 | CRF450 R | 95.96mm STD | IN STOCK | Wossner 81 | STD comp 12.50:1 | |||
| W1 8919DB | HONDA | CRF450 R | 2015-2016 | CRF450 R | 95.97mm | IN STOCK | Wossner 81 | STD comp 12.50:1 | |||
| W1 8919DC | HONDA | CRF450 R | 2015-2016 | CRF450 R | 95.98mm | IN STOCK | Wossner 81 | STD comp 12.50:1 | |||
| W1 8925DA | HONDA | CRF250 R | 2016-2017 | CRF250 R | 76.76 (14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8925DB | HONDA | CRF250 R | 2016-2017 | CRF250 R | 76.77 (14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8925DC | HONDA | CRF250 R | 2016-2017 | CRF250 R | 76.78 (14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8928DA | HONDA | CRF450 R | 2015-2016 | CRF450 R | HC 95.96mm | IN STOCK | Wossner 81 | Hi Comp (13.5:1 Ratio) | |||
| W1 8928DB | HONDA | CRF450 R | 2015-2016 | CRF450 R | HC 95.97mm | IN STOCK | Wossner 81 | Hi Comp (13.5:1 Ratio) | |||
| W1 8928DC | HONDA | CRF450 R | 2015-2016 | CRF450 R | HC 95.98mm | IN STOCK | Wossner 81 | Hi Comp (13.5:1 Ratio) | |||
| W1 8936DA | HONDA | CRF450 R | 2017-2025 | CRF450 R | 95.95mm (STD 13.50:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8936DA | HONDA | CRF450 RX | 2017-2025 | CRF450 RX | 95.95mm (STD 13.50:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8936DB | HONDA | CRF450 R | 2017-2025 | CRF450 R | 95.96mm (STD 13.50:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8936DB | HONDA | CRF450 RX | 2017-2025 | CRF450 RX | 95.96mm (STD 13.50:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8936DC | HONDA | CRF450 R | 2017-2025 | CRF450 R | 95.97mm (STD 13.50:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8936DC | HONDA | CRF450 RX | 2017-2025 | CRF450 RX | 95.97mm (STD 13.50:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8937DA | HONDA | CRF450 R | 2017-2025 | CRF450 R | 95.95 (Hi Comp 14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8937DA | HONDA | CRF450 RX | 2017-2025 | CRF450 RX | 95.95 (Hi Comp 14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8937DB | HONDA | CRF450 R | 2017-2025 | CRF450 R | 95.96 (Hi Comp 14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8937DB | HONDA | CRF450 RX | 2017-2025 | CRF450 RX | 95.96 (Hi Comp 14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8937DC | HONDA | CRF450 R | 2017-2025 | CRF450 R | 95.97 (Hi Comp 14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8937DC | HONDA | CRF450 RX | 2017-2025 | CRF450 RX | 95.97 (Hi Comp 14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8938DA | HONDA | CRF250 R | 2016-2017 | CRF250 R | 76.75 | IN STOCK | Wossner 81 | Hi-Comp (14.8:1 Ratio) | |||
| W1 8938DB | HONDA | CRF250 R | 2016-2017 | CRF250 R | 76.76 | IN STOCK | Wossner 81 | Hi-Comp (14.8:1 Ratio) | |||
| W1 8948DA | HONDA | TRX450 | 2006-2009 | TRX450 R | 95.95 | IN STOCK | Wossner 81 | HC 13.5:1 | |||
| W1 8948DA | HONDA | TRX450 | 2006-2014 | TRX450 ER | 95.95 | IN STOCK | Wossner 81 | HC 13.5:1 | |||
| W1 8952DA | HONDA | CRF250 R | 2018-2019 | CRF250 R | 78.96 (High Comp 14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8952DA | HONDA | CRF250 RX | 2019 | CRF250 RX | 78.96 (High Comp 14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8952DB | HONDA | CRF250 R | 2018-2019 | CRF250 R | 78.97 (High Comp 14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8952DB | HONDA | CRF250 RX | 2019 | CRF250 RX | 78.97 (High Comp 14.0:1) | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8967DA | HONDA | CRF250 R | 2020-2025 | CRF250 R | 78.96 | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8967DA | HONDA | CRF250 RX | 2020-2025 | CRF250 RX | 78.96 | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8967DB | HONDA | CRF250 R | 2020-2025 | CRF250 R | 78.97 | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8967DB | HONDA | CRF250 RX | 2020-2025 | CRF250 RX | 78.97 | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8967DC | HONDA | CRF250 R | 2020-2025 | CRF250 R | 78.98 | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8967DC | HONDA | CRF250 RX | 2020-2025 | CRF250 RX | 78.98 | IN STOCK | Wossner 81 | Forged Piston | |||
| W1 8968DA | HONDA | CRF450 L | 2019-2020 | CRF450 L | 95.96 STD | IN STOCK | Wossner 81 | ||||
| W1 8968DA | HONDA | CRF450 R | 2021-2025 | CRF450 RL | 95.96 STD | IN STOCK | Wossner 81 | ||||
| W1 8968DA | HONDA | CRF450 X | 2019-2025 | CRF450 X | 95.96 STD | IN STOCK | Wossner 81 | ||||
| W1 8968DB | HONDA | CRF450 L | 2019-2020 | CRF450 L | 95.97 | IN STOCK | Wossner 81 | ||||
| W1 8968DB | HONDA | CRF450 R | 2021-2025 | CRF450 RL | 95.97 | IN STOCK | Wossner 81 | ||||
| W1 8968DB | HONDA | CRF450 X | 2019-2025 | CRF450 X | 95.97 | IN STOCK | Wossner 81 | ||||
| W1 8968DC | HONDA | CRF450 L | 2019-2020 | CRF450 L | 95.98 | IN STOCK | Wossner 81 | ||||
| W1 8968DC | HONDA | CRF450 R | 2021-2025 | CRF450 RL | 95.98 | IN STOCK | Wossner 81 | ||||
| W1 8968DC | HONDA | CRF450 X | 2019-2025 | CRF450 X | 95.98 | IN STOCK | Wossner 81 | ||||
| W1 8973DA | HONDA | SXS1000 | 2019-2022 | SXS1000 R TALON | 91.95 STD (10:1 Ratio) | IN STOCK | Wossner 81 | ||||
| W1 8973DA | HONDA | SXS1000 | 2019-2022 | SXS1000 X TALON | 91.95 STD (10:1 Ratio) | IN STOCK | Wossner 81 | ||||
| W1 8974DA | HONDA | SXS1000 | 2019-2022 | SXS1000 R Talon Turbo | 91.95 | IN STOCK | Wossner 81 | 0.417361111 | |||
| W1 8974DA | HONDA | SXS1000 | 2019-2022 | SXS1000 X Talon Turbo | 91.95 | IN STOCK | Wossner 81 | 0.417361111 | |||
| W1 8975DA | HONDA | SXS1000 | 2019-2022 | SXS1000 R TALON | 91.95 | NO STOCK | Wossner 81 | HC 12:1 | |||
| W1 8975DA | HONDA | SXS1000 | 2019-2022 | SXS1000 X TALON | 91.95 | NO STOCK | Wossner 81 | HC 12:1 | |||
| W1 8981D100 | HONDA | TRX700 | 2008-2011 | TRX700 XX | 102.95 | IN STOCK | Wossner 81 | ||||
| W1 8981DA | HONDA | TRX700 | 2008-2011 | TRX700 XX | 101.95 STD | IN STOCK | Wossner 81 | ||||
| W1 8985DA | HONDA | CRF250 R | 2020-2025 | CRF250 R | HC 78.96 | IN STOCK | Wossner 81 | HC (14.50:1 Ratio) | |||
| W1 8985DA | HONDA | CRF250 RX | 2020-2025 | CRF250 RX | HC 78.96 | IN STOCK | Wossner 81 | HC (14.50:1 Ratio) | |||
| W1 8985DB | HONDA | CRF250 R | 2020-2025 | CRF250 R | HC 78.97 | IN STOCK | Wossner 81 | HC (14.50:1 Ratio) | |||
| W1 8985DB | HONDA | CRF250 RX | 2020-2025 | CRF250 RX | HC 78.97 | IN STOCK | Wossner 81 | HC (14.50:1 Ratio) | |||
| W1 8985DC | HONDA | CRF250 R | 2020-2025 | CRF250 R | HC 78.98 | IN STOCK | Wossner 81 | HC (14.50:1 Ratio) | |||
| W1 8985DC | HONDA | CRF250 RX | 2020-2025 | CRF250 RX | HC 78.98 | IN STOCK | Wossner 81 | HC (14.50:1 Ratio) | |||
| W1 K4015D050-2 | HONDA | CB500 | 1993-2002 | CB500 | 73.44mm | IN STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K4015DA-2 | HONDA | CB500 | 1993-2002 | CB500 | 72.94mm | IN STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K4060D300-4 | HONDA | CBX750 | 1983-1988 | CBX750 | 69.94mm (10.10:1 Ratio) | NO STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K4061D500-2 | HONDA | CB450 | 1965-1974 | CB450 | 74.94mm (12.00:1 Ratio) | NO STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K4061D500-2 | HONDA | CL450 | 1967-1974 | CL450 | 74.94mm (12.00:1 Ratio) | NO STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K8742DA-4 | HONDA | CB1100 | 2002-2007 | CBR1000 RR Racing | 74.95 | NO STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K8804DA-4 | HONDA | CBR954 | 2002-2004 | CBR954 RR | 74.94 | IN STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K8973DA-2 | HONDA | SXS1000 | 2019-2022 | SXS1000 R TALON | 91.95 STD (10:1 Ratio) | IN STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K8973DA-2 | HONDA | SXS1000 | 2019-2022 | SXS1000 X TALON | 91.95 STD (10:1 Ratio) | IN STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K8974DA-2 | HONDA | SXS1000 | 2019-2022 | SXS1000 R Talon Turbo | 91.95 STD (9:1 Ratio) | NO STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K8974DA-2 | HONDA | SXS1000 | 2019-2022 | SXS1000 X Talon Turbo | 91.95 STD (9:1 Ratio) | NO STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K8975DA-2 | HONDA | SXS1000 | 2019-2022 | SXS1000 R TALON | 91.95 (HC 12:1 Ratio) | NO STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K8975DA-2 | HONDA | SXS1000 | 2019-2022 | SXS1000 X TALON | 91.95 (HC 12:1 Ratio) | NO STOCK | Wossner 81 | Piston Set ( all Needed Pistons) | |||
| W1 K8996DA-4 | HONDA | CBR650 | 2019-2021 | CBR650 R | 66.95 | NO STOCK | Wossner 81 | ||||
| W2 3008DA | YAMAHA | YZ65 | 2018-2025 | YZ65 | 43.45 | IN STOCK | Wossner 81 | # FOR +2mm LONG ROD (P2071-LR) # | |||
| W2 4043DA | YAMAHA | SRX600 | 1984-1996 | SRX600 | HC 94.93 | IN STOCK | Wossner 81 | Hi Comp (11.5:1 Ratio) | |||
| W2 4043DA | YAMAHA | TT600 | 1984-2004 | TT600 R | HC 94.93 | IN STOCK | Wossner 81 | Hi Comp (11.5:1 Ratio) | |||
| W2 4043DA | YAMAHA | XT600 | 1984-2004 | XT600 | HC 94.93 | IN STOCK | Wossner 81 | Hi Comp (11.5:1 Ratio) | |||
| W2 4043DA | YAMAHA | XTZ600 | 1984-1996 | XTZ600 TENERE | HC 94.93 | IN STOCK | Wossner 81 | Hi Comp (11.5:1 Ratio) | |||
| W2 4043DA | YAMAHA | YFM600 | 1998-2001 | YFM600 GRIZZLY | HC 94.93 | IN STOCK | Wossner 81 | Hi Comp (11.5:1 Ratio) | |||
| W2 4044D100 | YAMAHA | SRX600 | 1984-1996 | SRX600 | HC 95.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D100 | YAMAHA | TT600 | 1984-2004 | TT600 | HC 95.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D100 | YAMAHA | TTR600 | 1984-2003 | TT600 R | HC 95.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D100 | YAMAHA | XT600 | 1984-2004 | XT600 | HC 95.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D100 | YAMAHA | XTZ600 | 1984-1996 | XTZ600 TENERE | HC 95.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D100 | YAMAHA | YFM600 | 1998-2001 | YFM600 GRIZZLY | HC 95.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D200 | YAMAHA | SRX600 | 1984-1996 | SRX600 | HC 96.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D200 | YAMAHA | TT600 | 1984-2004 | TT600 | HC 96.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D200 | YAMAHA | TTR600 | 1984-2003 | TT600 R | HC 96.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D200 | YAMAHA | XT600 | 1984-2004 | XT600 | HC 96.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D200 | YAMAHA | XTZ600 | 1984-1996 | XTZ600 TENERE | HC 96.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044D200 | YAMAHA | YFM600 | 1998-2001 | YFM600 GRIZZLY | HC 96.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044DA | YAMAHA | SRX600 | 1984-1996 | SRX600 | HC 94.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044DA | YAMAHA | TT600 | 1984-2004 | TT600 | HC 94.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044DA | YAMAHA | TTR600 | 1984-2003 | TT600 R | HC 94.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044DA | YAMAHA | XT600 | 1984-2004 | XT600 | HC 94.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044DA | YAMAHA | XTZ600 | 1984-1996 | XTZ600 TENERE | HC 94.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4044DA | YAMAHA | YFM600 | 1998-2001 | YFM600 GRIZZLY | HC 94.93mm | IN STOCK | Wossner 81 | Hi Comp (10.00:1 Ratio) | |||
| W2 4051D100 | YAMAHA | YFM700 | 2006-2014 | YFM700 RAPTOR | 102.94mm (9.67:1 Ratio) | IN STOCK | Wossner 81 | ||||
| W2 4051D100 | YAMAHA | YFM700 | 2007-2013 | YFM700 GRIZZLY | 102.94mm (9.67:1 Ratio) | IN STOCK | Wossner 81 | ||||
| W2 4051D100 | YAMAHA | YXR700 | 2008-2013 | YXR700 RHINO | 102.94mm (9.67:1 Ratio) | IN STOCK | Wossner 81 | ||||
| W2 4051DA | YAMAHA | YFM700 | 2006-2014 | YFM700 RAPTOR | 101.94mm (9.50:1 Ratio) | IN STOCK | Wossner 81 | ||||
| W2 4051DA | YAMAHA | YFM700 | 2007-2013 | YFM700 GRIZZLY | 101.94mm (9.50:1 Ratio) | IN STOCK | Wossner 81 | ||||
| W2 4051DA | YAMAHA | YXR700 | 2008-2013 | YXR700 RHINO | 101.94mm (9.50:1 Ratio) | IN STOCK | Wossner 81 | ||||
| W2 4052D100 | YAMAHA | YFM700 | 2014-2015 | YFM700 GRIZZLY | 102.94 | IN STOCK | Wossner 81 | ||||
| W2 4052D100 | YAMAHA | YFM700 | 2015-2024 | YFM700R RAPTOR | 102.94 | IN STOCK | Wossner 81 | ||||
| W2 4052D100 | YAMAHA | YFM700 | 2016-2018 | YFM700 KODIAK | 102.94 | IN STOCK | Wossner 81 | STD Bore for this engine | |||
| W2 4052D100 | YAMAHA | YFM700 | 2016-2018 | YFM700 GRIZZLY | 102.94 | IN STOCK | Wossner 81 | STD Bore for this engine | |||
| W2 4052D100 | YAMAHA | YFM700 | 2019-2024 | YFM700 GRIZZLY | 102.94 | IN STOCK | Wossner 81 | ||||
| W2 4052D100 | YAMAHA | YFM700 | 2019-2024 | YFM700 KODIAK | 102.94 | IN STOCK | Wossner 81 | ||||
| W2 4052D100 | YAMAHA | YXE700 | 2016-2018 | YXE700 WOLVERINE | 102.94 | IN STOCK | Wossner 81 | STD Bore for this engine | |||
| W2 4052D100 | YAMAHA | YXM700 | 2014-2024 | YXM700 VIKING | 102.94 | IN STOCK | Wossner 81 | ||||
| W2 4052D150 | YAMAHA | YFM700 | 2014-2015 | YFM700 GRIZZLY | 103.44 | NO STOCK | Wossner 81 | ||||
| W2 4052D150 | YAMAHA | YFM700 | 2015-2024 | YFM700R RAPTOR | 103.44 | NO STOCK | Wossner 81 | ||||
| W2 4052D150 | YAMAHA | YFM700 | 2016-2018 | YFM700 KODIAK | 103.44 | NO STOCK | Wossner 81 | 0.5mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 4052D150 | YAMAHA | YFM700 | 2016-2018 | YFM700 GRIZZLY | 103.44 | NO STOCK | Wossner 81 | 0.5mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 4052D150 | YAMAHA | YFM700 | 2019-2024 | YFM700 GRIZZLY | 103.44 | NO STOCK | Wossner 81 | ||||
| W2 4052D150 | YAMAHA | YFM700 | 2019-2024 | YFM700 KODIAK | 103.44 | NO STOCK | Wossner 81 | ||||
| W2 4052D150 | YAMAHA | YXE700 | 2016-2018 | YXE700 WOLVERINE | 103.44 | NO STOCK | Wossner 81 | 0.5mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 4052D150 | YAMAHA | YXM700 | 2014-2024 | YXM700 VIKING | 103.44 | NO STOCK | Wossner 81 | ||||
| W2 4052D200 | YAMAHA | YFM700 | 2014-2015 | YFM700 GRIZZLY | 103.94 | IN STOCK | Wossner 81 | ||||
| W2 4052D200 | YAMAHA | YFM700 | 2015-2024 | YFM700R RAPTOR | 103.94 | IN STOCK | Wossner 81 | ||||
| W2 4052D200 | YAMAHA | YFM700 | 2016-2018 | YFM700 KODIAK | 103.94 | IN STOCK | Wossner 81 | 1mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 4052D200 | YAMAHA | YFM700 | 2016-2018 | YFM700 GRIZZLY | 103.94 | IN STOCK | Wossner 81 | 1mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 4052D200 | YAMAHA | YFM700 | 2019-2024 | YFM700 GRIZZLY | 103.94 | IN STOCK | Wossner 81 | ||||
| W2 4052D200 | YAMAHA | YFM700 | 2019-2024 | YFM700 KODIAK | 103.94 | IN STOCK | Wossner 81 | ||||
| W2 4052D200 | YAMAHA | YXE700 | 2016-2018 | YXE700 WOLVERINE | 103.94 | IN STOCK | Wossner 81 | 1mm O/S (STD Bore for this eng. is 103mm) | |||
| W2 4052D200 | YAMAHA | YXM700 | 2014-2024 | YXM700 VIKING | 103.94 | IN STOCK | Wossner 81 | ||||
| W2 4052DA | YAMAHA | YFM700 | 2014-2015 | YFM700 GRIZZLY | 101.94 | IN STOCK | Wossner 81 | ||||
| W2 4052DA | YAMAHA | YFM700 | 2015-2024 | YFM700R RAPTOR | 101.94 | IN STOCK | Wossner 81 | ||||
| W2 4052DA | YAMAHA | YFM700 | 2019-2024 | YFM700 GRIZZLY | 101.94 | IN STOCK | Wossner 81 | ||||
| W2 4052DA | YAMAHA | YFM700 | 2019-2024 | YFM700 KODIAK | 101.94 | IN STOCK | Wossner 81 | ||||
| W2 4052DA | YAMAHA | YXM700 | 2014-2024 | YXM700 VIKING | 101.94 | IN STOCK | Wossner 81 | ||||
| W2 4066DA | YAMAHA | WRF450 | 2021-2023 | WR450 F | HC 96.96mm | NO STOCK | Wossner 81 | Hi Comp (13.7:1 Ratio) | |||
| W2 4066DA | YAMAHA | YZF450 | 2020-2022 | YZ450 F | HC 96.96mm | NO STOCK | Wossner 81 | Hi Comp (13.7:1 Ratio) | |||
| W2 4066DA | YAMAHA | YZFX450 | 2021-2023 | YZ450 FX | HC 96.96mm | NO STOCK | Wossner 81 | Hi Comp (13.7:1 Ratio) | |||
| W2 4066DB | YAMAHA | WRF450 | 2021-2023 | WR450 F | HC 96.97mm | IN STOCK | Wossner 81 | Hi Comp (13.7:1 Ratio) | |||
| W2 4066DB | YAMAHA | YZF450 | 2020-2022 | YZ450 F | HC 96.97mm | IN STOCK | Wossner 81 | Hi Comp (13.7:1 Ratio) | |||
| W2 4066DB | YAMAHA | YZFX450 | 2021-2023 | YZ450 FX | HC 96.97mm | IN STOCK | Wossner 81 | Hi Comp (13.7:1 Ratio) | |||
| W2 4066DC | YAMAHA | WRF450 | 2021-2023 | WR450 F | HC 96.98mm | IN STOCK | Wossner 81 | Hi Comp (13.7:1 Ratio) | |||
| W2 4066DC | YAMAHA | YZF450 | 2020-2022 | YZ450 F | HC 96.98mm | IN STOCK | Wossner 81 | Hi Comp (13.7:1 Ratio) | |||
| W2 4066DC | YAMAHA | YZFX450 | 2021-2023 | YZ450 FX | HC 96.98mm | IN STOCK | Wossner 81 | Hi Comp (13.7:1 Ratio) | |||
| W2 4067DA | YAMAHA | YFZ450 | 2004-2017 | YFZ450 | 94.95 | IN STOCK | Wossner 81 | STD Compression | |||
| W2 4067DA | YAMAHA | YFZ450 | 2009-2024 | YFZ450 R | 94.95 | IN STOCK | Wossner 81 | STD Compression | |||
| W2 4067DA | YAMAHA | YFZ450 | 2010-2011 | YFZ450 X | 94.95 | IN STOCK | Wossner 81 | STD Compression | |||
| W2 4067DB | YAMAHA | YFZ450 | 2004-2017 | YFZ450 | 94.96 | IN STOCK | Wossner 81 | STD Compression | |||
| W2 4067DB | YAMAHA | YFZ450 | 2009-2024 | YFZ450 R | 94.96 | IN STOCK | Wossner 81 | STD Compression | |||
| W2 4067DB | YAMAHA | YFZ450 | 2010-2011 | YFZ450 X | 94.96 | IN STOCK | Wossner 81 | STD Compression | |||
| W2 4067DC | YAMAHA | YFZ450 | 2004-2017 | YFZ450 | 94.97 | IN STOCK | Wossner 81 | STD Compression | |||
| W2 4067DC | YAMAHA | YFZ450 | 2009-2024 | YFZ450 R | 94.97 | IN STOCK | Wossner 81 | STD Compression | |||
| W2 4067DC | YAMAHA | YFZ450 | 2010-2011 | YFZ450 X | 94.97 | IN STOCK | Wossner 81 | STD Compression | |||
| W2 4080D400 | YAMAHA | XT250 | 2013-2024 | XT250 | HC 77.95 | NO STOCK | Wossner 81 | Hi Comp (13.00:1) | |||
| W2 4080D400 | YAMAHA | YBR250 | 2008-2012 | YBR250 | HC 77.95 | NO STOCK | Wossner 81 | Hi Comp (13.00:1) | |||
Note: Pricing and availability information last updated on Tuesday 27th January 2026 at 8:01pm.





