WOSSNER
Wossner Pistons and Engine Components at JJ Motorsports
Wossner is a respected name in the high-performance automotive and powersports industry, renowned for its dedication to precision engineering and quality. Established several decades ago, Wossner has continuously pushed the boundaries of engine performance, becoming a trusted partner for enthusiasts and professionals. Specializing in high-performance pistons, connecting rods, and other engine components, Wossner offers products engineered for maximum efficiency and durability, particularly for snowmobiles, motorcycles, and ATVs.
Wossner products provide significant benefits such as enhanced engine performance, improved efficiency, reduced friction and noise, and increased durability for racing and everyday use. Key features include lightweight construction, precision engineering for specific models, advanced materials, and optimal fit to maximize power output and reliability.
- Product
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- Quantity
- Price
- Subtotal
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On Sale
Wossner Piston Kit 53.96mm 2007-2023 KTM 125 SX 8220DB
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00When your 2-stroke engine demands reliability under sustained high-load conditions, OEM pistons fall short of the mark. The Wössner 8220DB delivers the durability and reduced friction that separates...09104885- SKU:
- 09104885
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SINGLE RING
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,01 MM
- BORE - OVERSIZE METRIC:
- +0.01 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 54.01 MM
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 53.96 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
MSRP: $122.00Now: $115.90Was: $122.00 -
On Sale
Wossner 85.93mm Piston Kit Kawasaki KX500 1988-2004 8228DA
WOSSNER
MSRP: $192.00Now: $182.40Was: $192.00The Wossner 85.93mm Piston Kit is engineered for KX500 2-stroke engines that demand reliability through extended competition seasons and high-RPM abuse. A complete top-end refresh with Wossner's...09104889- SKU:
- 09104889
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
- DISPLACEMENT:
- 499 CC
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 86.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 85.93 MM
MSRP: $192.00Now: $182.40Was: $192.00Qty in Cart: 0Quantity:Price:MSRP: $192.00Now: $182.40Was: $192.00Subtotal: -
On Sale
Wossner Piston Kit for KTM 65 SX 2009-2025 8241DA
WOSSNER
MSRP: $102.00Now: $96.90Was: $102.00If you're running a KTM 65 SX and serious about consistent power delivery across repeated heat cycles, a quality piston kit is non-negotiable. The Wossner 8241DA replaces worn pistons that cause...09104890- SKU:
- 09104890
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE SIZE METRIC:
- 45.02 MM
- DISPLACEMENT:
- 64 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- SINGLE RING
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 44.96 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
MSRP: $102.00Now: $96.90Was: $102.00 -
On Sale
Wossner Piston Kit 45.03mm for KTM 65 SX 2009-2025 Husqvarna TC65 2017-2025 GasGas MC65 2021-2025 8241DB
WOSSNER
MSRP: $102.00Now: $96.90Was: $102.00The Wossner Piston Kit 8241DB delivers the precision engineering and durability demanded by serious 2-stroke racers and mechanics. Factory OEM pistons wear quickly under high RPM loads—this...09104891- SKU:
- 09104891
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 45.03 MM
- TYPE:
- SINGLE RING
- DISPLACEMENT:
- 64 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- 44.97 MM
- RIDING STYLE:
- OFF-ROAD
MSRP: $102.00Now: $96.90Was: $102.00 -
On Sale
Wossner Piston Kit Honda CR125R 1985-1986 8127DA
WOSSNER
MSRP: $132.00Now: $125.40Was: $132.00If you're rebuilding a CR125R or pushing your engine harder, piston longevity and ring seal integrity directly impact reliability and power delivery. The Wossner 8127DA delivers German-engineered...09105542- SKU:
- 09105542
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 123 CC
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
- PISTON SIZE METRIC:
- 53.94 MM
MSRP: $132.00Now: $125.40Was: $132.00Qty in Cart: 0Quantity:Price:MSRP: $132.00Now: $125.40Was: $132.00Subtotal: -
On Sale
Wossner Piston Kit Kawasaki KX250 1987-1989 67.35mm 8129DB
WOSSNER
MSRP: $162.00Now: $153.90Was: $162.00Two-stroke engines demand pistons engineered for extreme combustion pressures and rapid cycling—stock components simply can't handle sustained high-RPM performance. The Wossner 8129DB delivers the...09105545- SKU:
- 09105545
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- BORE SIZE METRIC:
- 67.41 MM
- UNITS:
- KIT
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 67.35 MM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +0.01 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +0,01 MM
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- FORGED
- TYPE:
- DUAL RING
MSRP: $162.00Now: $153.90Was: $162.00Qty in Cart: 0Quantity:Price:MSRP: $162.00Now: $153.90Was: $162.00Subtotal: -
On Sale
Wossner Piston Kit Yamaha YZ250 1988-1991 8134D150
WOSSNER
MSRP: $182.00Now: $172.90Was: $182.00If you're running a YZ250 two-stroke and want reliable power without sacrificing durability, a quality piston kit is non-negotiable. The Wossner 8134D150 delivers the precision engineering and...09105549- SKU:
- 09105549
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- BORE - OVERSIZE METRIC:
- +1.50 MM
- DISPLACEMENT:
- 246 CC
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 69.50 MM
- PISTON SIZE METRIC:
- 69.44 MM
- TYPE:
- DUAL RING
- BORE - OVERSIZE:
- +1,50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
MSRP: $182.00Now: $172.90Was: $182.00 -
On Sale
Wossner Piston Kit Honda CRF450R 2005-2008 8608DA
WOSSNER
MSRP: $214.00Now: $203.30Was: $214.00High-mileage and competition use demand a piston that can handle sustained heat and load cycles without sacrificing reliability. The Wossner 8608DA delivers the durability and friction reduction your...09104944- SKU:
- 09104944
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 95.96 MM
- MODEL:
- PREMIUM SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $214.00Now: $203.30Was: $214.00Qty in Cart: 0Quantity:Price:MSRP: $214.00Now: $203.30Was: $214.00Subtotal: -
On Sale
Wossner Piston Kit 95.50mm 11.7:1 Compression Suzuki LT-R450 2006-2009 8667DA
WOSSNER
MSRP: $204.00Now: $193.80Was: $204.00When you're pushing your Suzuki LT-R450 to its limits, stock pistons become your bottleneck. The Wossner 8667DA delivers the strength and precision needed to handle aggressive riding and higher...09104966- SKU:
- 09104966
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 95.45 MM
- BORE SIZE METRIC:
- 95.50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- RIDING STYLE:
- ATV
- UNITS:
- KIT
MSRP: $204.00Now: $193.80Was: $204.00 -
On Sale
Wossner Piston Kit 53.94mm Yamaha YZ125 2002-2004 8072DA
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00When you're pushing a YZ125 to its limits, piston durability and ring seal integrity are non-negotiable. The Wossner 8072DA is engineered to handle the demands of 2-stroke racing—delivering...09104787- SKU:
- 09104787
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- 53.94 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
On Sale
Wossner Piston Kit 54.00mm Yamaha YZ125 2002-2004 8072DB
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00When you're pushing a YZ125 to its limits on the track, your piston kit needs to match your ambition. The Wössner 8072DB delivers the durability and precision German engineering demands, with a...09104788- SKU:
- 09104788
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +0.01 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.01 MM
- PISTON SIZE METRIC:
- 53.95 MM
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- +0,01 MM
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
On Sale
Wossner Connecting Rod Kit for Kawasaki KX125 1998-2002 P2034
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00A worn or damaged connecting rod directly impacts your KX125's reliability, throttle response, and overall engine longevity. The Wössner P2034 kit delivers a complete crankshaft rebuild solution...09230395- SKU:
- 09230395
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $122.00Now: $115.90Was: $122.00 -
On Sale
Wossner Connecting Rod Kit for 2002-2007 Honda CR250R P2020
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00When you're rebuilding a CR250R engine, you need connecting rods engineered to handle sustained high RPM loads without compromise. The Wossner P2020 kit eliminates the guesswork by pairing...09230396- SKU:
- 09230396
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- STREET
- UNITS:
- KIT
MSRP: $122.00Now: $115.90Was: $122.00 -
On Sale
Wossner Connecting Rod Honda CR80R 1986-2002 P2003
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00If you're rebuilding a CR80R engine, the Wössner Connecting Rod P2003 is the precision component that separates a reliable build from a failure-prone one. This forged alloy rod is engineered to...09230397- SKU:
- 09230397
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
MSRP: $112.00Now: $106.40Was: $112.00Qty in Cart: 0Quantity:Price:MSRP: $112.00Now: $106.40Was: $112.00Subtotal: -
On Sale
Wossner Connecting Rod Kawasaki KX85 2001-2025 P2005
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00A connecting rod failure mid-race can cost you the entire season. The Wössner P2005 is purpose-built to handle the extreme combustion pressures and RPM demands of competitive KX85 riding, delivering...09230398- SKU:
- 09230398
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
MSRP: $112.00Now: $106.40Was: $112.00 -
On Sale
Wossner Connecting Rod Suzuki RM125 1987-1996 P2015
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00A connecting rod failure mid-season means catastrophic engine damage and lost race time. The Wossner P2015 is purpose-built for RM125 reliability, combining German engineering with materials and...09230405- SKU:
- 09230405
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
On Sale
Wossner Connecting Rod Suzuki RM125 2004-2011 P2016
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00A connecting rod is the critical link between your piston and crankshaft—if it fails, your engine is done. The Wössner P2016 is precision-engineered for the RM125 to handle the extreme loads of...09230406- SKU:
- 09230406
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
On Sale
Wossner Connecting Rod Kit for Yamaha YZ125 2005-2021 P2018
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00If you're running your YZ125 hard on the track or trail, a worn or damaged connecting rod will kill power delivery and risk catastrophic engine failure. The Wössner P2018 kit gives you a proven...09230407- SKU:
- 09230407
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
On Sale
Wossner Connecting Rod Kawasaki KX250 1978-2008 P2022
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00Your KX250's crankshaft takes a beating on the track, and a worn connecting rod directly compromises throttle response, power delivery, and engine reliability. The Wössner P2022 is engineered to...09230409- SKU:
- 09230409
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
MSRP: $122.00Now: $115.90Was: $122.00 -
On Sale
Wossner Piston Kit 54.45mm for Honda CR125R 1992-1999 8020D050
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00If you're running a Honda CR125R that demands maximum reliability and power output, a quality piston kit is non-negotiable. The Wossner 8020D050 delivers the precision engineering and durability...09104720- SKU:
- 09104720
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,50 MM
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 54.50 MM
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- 54.45 MM
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- SINGLE RING
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
On Sale
Wossner Piston Kit 53.95mm Honda CR125R 1992-1999 8020DA
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00When running a Honda CR125R at the edge of performance, stock pistons can't handle the demands of high-RPM racing and aggressive riding. The Wossner 8020DA delivers the durability and precision...09104722- SKU:
- 09104722
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE SIZE METRIC:
- 54.00 MM
- PISTON SIZE METRIC:
- 53.95 MM
- TYPE:
- SINGLE RING
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- FORGED
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
On Sale
Wossner Piston Kit 77mm Yamaha YZ250F 2005-2007 8614DA
WOSSNER
MSRP: $184.00Now: $174.80Was: $184.00When you're pushing your YZ250F to the limit, stock pistons won't cut it—you need a unit engineered for sustained high-RPM abuse. The Wossner 8614DA delivers the durability and reliability that...09104947- SKU:
- 09104947
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 76.96 MM
MSRP: $184.00Now: $174.80Was: $184.00Qty in Cart: 0Quantity:Price:MSRP: $184.00Now: $174.80Was: $184.00Subtotal: -
On Sale
Wossner Piston Kit 94.98mm Yamaha YZ450F 2006-2009 8630DC
WOSSNER
MSRP: $204.00Now: $193.80Was: $204.00If you're serious about maximizing your YZ450F's power output and longevity, a quality piston kit is non-negotiable. The Wossner 8630DC delivers the durability and precision engineering needed to...09104952- SKU:
- 09104952
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- +0,02 MM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 95.02 MM
- COMPRESSION RATIO IMPERIAL:
- 12.3:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- 94.98 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.02 MM
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- FORGED
MSRP: $204.00Now: $193.80Was: $204.00 -
On Sale
Wossner Piston Kit 76.96mm Kawasaki KX250F 2006-2009 8635DA
WOSSNER
MSRP: $184.00Now: $174.80Was: $184.00If you're running a KX250F between 2006-2009, piston wear directly impacts throttle response, compression, and ring seal integrity—all critical factors in maintaining competitive lap times or...09104953- SKU:
- 09104953
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 77.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 76.96 MM
MSRP: $184.00Now: $174.80Was: $184.00Qty in Cart: 0Quantity:Price:MSRP: $184.00Now: $174.80Was: $184.00Subtotal: -
On Sale
Wossner Piston Kit 76.97mm Kawasaki KX250F 2006-2009 8635DB
WOSSNER
MSRP: $184.00Now: $174.80Was: $184.00When you're pushing a KX250F to its limits, your factory piston won't cut it. This Wossner kit replaces worn or damaged pistons with a precision-engineered assembly that handles sustained high RPM...09104954- SKU:
- 09104954
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE SIZE METRIC:
- 77.01 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +0,01 MM
- BORE - OVERSIZE METRIC:
- +0.01 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 76.97 MM
MSRP: $184.00Now: $174.80Was: $184.00Qty in Cart: 0Quantity:Price:MSRP: $184.00Now: $174.80Was: $184.00Subtotal: -
On Sale
Wossner Piston Kit 76.98mm Kawasaki KX250F 2006-2009 8635DC
WOSSNER
MSRP: $184.00Now: $174.80Was: $184.00When you're pushing a KX250F to its limits, your piston kit needs to survive extreme combustion pressures and thermal cycling without compromise. The Wossner 8635DC delivers German precision...09104955- SKU:
- 09104955
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE:
- +0,02 MM
- BORE - OVERSIZE METRIC:
- +0.02 MM
- BORE SIZE METRIC:
- 77.02 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 76.98 MM
MSRP: $184.00Now: $174.80Was: $184.00Qty in Cart: 0Quantity:Price:MSRP: $184.00Now: $174.80Was: $184.00Subtotal: -
On Sale
Wossner Piston Kit 75.97mm for KTM 250 SX-F 2006-2012 8645DB
WOSSNER
MSRP: $204.00Now: $193.80Was: $204.00The Wossner 8645DB piston kit is engineered for KTM 250 SX-F riders who demand reliability and responsive power delivery over an entire racing season. Constructed from 4032 T6 forged aluminum, this...09104957- SKU:
- 09104957
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE METRIC:
- +0.01 MM
- COMPRESSION RATIO IMPERIAL:
- 12.9:1
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 76.01 MM
- MODEL:
- PREMIUM SERIES
- PISTON SIZE METRIC:
- 75.97 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,01 MM
- PRODUCT NAME:
- PISTON KIT
MSRP: $204.00Now: $193.80Was: $204.00 -
On Sale
Wossner Top End Bearing Kawasaki KX 500 1988-2004 N1052
WOSSNER
MSRP: $18.50Now: $17.58Was: $18.50Top-end bearings are critical wear items in high-revving two-stroke engines, and a worn bearing will quickly degrade engine efficiency and create catastrophic damage if left unaddressed. The Wossner...09240463- SKU:
- 09240463
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- LENGTH METRIC:
- 24.8 MM
- PRODUCT NAME:
- BEARING
- TYPE:
- TOP END
- INSIDE DIAMETER METRIC:
- 19 MM
- OUTSIDE DIAMETER METRIC:
- 24 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- CONNECTING ROD
- UNITS:
- EACH
MSRP: $18.50Now: $17.58Was: $18.50 -
On Sale
Wossner Top End Bearing 18x22x23.5 mm Kawasaki KX250 2002-2007 N1049
WOSSNER
MSRP: $18.50Now: $17.58Was: $18.50The Wossner Top End Bearing is a critical wear item that directly impacts engine reliability and performance in your KX250. Over time, original bearings degrade under the intense heat and friction of...09240462- SKU:
- 09240462
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- INSIDE DIAMETER METRIC:
- 18 MM
- PRODUCT NAME:
- BEARING
- APPLICATION:
- CONNECTING ROD
- RIDING STYLE:
- OFF-ROAD
- LENGTH METRIC:
- 23.5 MM
- TYPE:
- TOP END
- UNITS:
- EACH
- OUTSIDE DIAMETER METRIC:
- 22 MM
MSRP: $18.50Now: $17.58Was: $18.50 -
On Sale
Wossner Top End Bearing for Yamaha YZ125 2005-2022 N1047
WOSSNER
MSRP: $18.50Now: $17.58Was: $18.50The top end bearing is critical to maintaining proper crankshaft-to-connecting rod alignment and minimizing friction at peak RPM—neglecting this component leads to catastrophic engine failure. The...09240461- SKU:
- 09240461
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- LENGTH METRIC:
- 17.3 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 15 MM
- TYPE:
- TOP END
- UNITS:
- EACH
- APPLICATION:
- CONNECTING ROD
- OUTSIDE DIAMETER METRIC:
- 19 MM
MSRP: $18.50Now: $17.58Was: $18.50Qty in Cart: 0Quantity:Price:MSRP: $18.50Now: $17.58Was: $18.50Subtotal: -
On Sale
Wossner Top End Bearing for 1998-2022 KTM 65 SX N1037
WOSSNER
MSRP: $18.50Now: $17.58Was: $18.50The top end bearing on your KTM 65 SX takes a beating during aggressive riding and racing—worn bearings lead to increased friction, excessive play, and premature piston wear. Wossner's...09240460- SKU:
- 09240460
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- LENGTH METRIC:
- 16.3 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- APPLICATION:
- CONNECTING ROD
- INSIDE DIAMETER METRIC:
- 12 MM
- UNITS:
- EACH
- OUTSIDE DIAMETER METRIC:
- 15 MM
MSRP: $18.50Now: $17.58Was: $18.50 -
On Sale
Wossner Connecting Rod Suzuki RM125 1999-2003 P2013
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00If you're rebuilding your RM125 top-end, the foundation of reliability starts with a quality connecting rod that can handle the demands of high-RPM racing and trail riding. Wössner's P2013 is...09230404- SKU:
- 09230404
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $122.00Now: $115.90Was: $122.00 -
On Sale
Wossner Connecting Rod KTM 125 SX 2007-2018 P2012
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00A connecting rod failure at high RPM doesn't just cost you a race—it can destroy your entire engine. The Wössner P2012 connecting rod is built from 8620 forged alloy and engineered to OEM...09230403- SKU:
- 09230403
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- UNITS:
- KIT
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
On Sale
Wossner 800 Dragon RMK 155 2008-2010 Piston Ring Set RST8750
WOSSNER
MSRP: $18.50Now: $17.58Was: $18.50Piston ring degradation is a silent killer of engine performance—worn rings allow combustion pressure to leak past the piston, robbing you of power and forcing oil past the cylinder walls. The...09120897- SKU:
- 09120897
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- RING SET
- UNITS:
- EACH
- BORE SIZE METRIC:
- 87.50 MM
- RIDING STYLE:
- SNOW
MSRP: $18.50Now: $17.58Was: $18.50 -
On Sale
Wossner Piston Kit 46.95mm Honda CR80R 1992-2002 8237DA
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00When you're pushing a CR80R to its limits, stock pistons become the weak link. The Wossner 8237DA replaces worn or damaged pistons with a precision-engineered component that delivers measurable gains...09105581- SKU:
- 09105581
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SINGLE RING
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- DISPLACEMENT:
- 80 CC
- PISTON SIZE METRIC:
- 46.95 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.00 MM
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
MSRP: $112.00Now: $106.40Was: $112.00Qty in Cart: 0Quantity:Price:MSRP: $112.00Now: $106.40Was: $112.00Subtotal: -
On Sale
Wossner Piston Kit 47.45mm Yamaha PW80 1983-2006 8233D050
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00If you're running a PW80 at the track or pushing it hard on the trail, piston failure isn't an option. The Wossner 8233D050 kit delivers the durability and precision you need to keep your 2-stroke...09105579- SKU:
- 09105579
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 47.50 MM
- DISPLACEMENT:
- 79 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SINGLE RING
- UNITS:
- KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON SIZE METRIC:
- 47.45 MM
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
MSRP: $112.00Now: $106.40Was: $112.00Qty in Cart: 0Quantity:Price:MSRP: $112.00Now: $106.40Was: $112.00Subtotal: -
On Sale
Wossner Piston Kit KTM 125 2007-2025 8210DA
WOSSNER
MSRP: $132.00Now: $125.40Was: $132.00When a 2-stroke engine is pushed hard—whether on the track or the trail—factory pistons wear quickly and performance suffers. The Wössner Piston Kit 8210DA replaces worn components with...09105577- SKU:
- 09105577
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- BORE SIZE METRIC:
- 56.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- PISTON SIZE METRIC:
- 55.94 MM
- TYPE:
- DUAL RING
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
MSRP: $132.00Now: $125.40Was: $132.00Qty in Cart: 0Quantity:Price:MSRP: $132.00Now: $125.40Was: $132.00Subtotal: -
On Sale
Wossner Piston Kit Kawasaki KX250 1978-1986 8203DA
WOSSNER
MSRP: $152.00Now: $144.40Was: $152.00The Wossner 8203DA piston kit is engineered to restore or upgrade your KX250's top-end with OEM-quality reliability and measurable performance gains. A complete, bolt-together solution that...09105575- SKU:
- 09105575
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- 69.94 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- DUAL RING
MSRP: $152.00Now: $144.40Was: $152.00Qty in Cart: 0Quantity:Price:MSRP: $152.00Now: $144.40Was: $152.00Subtotal: -
On Sale
Wossner Piston Kit 1984-1985 Kawasaki KX80 8201DA
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00Your KX80's performance depends on precision internal components that can withstand the extreme temperatures and pressures of 2-stroke combustion. The Wossner 8201DA piston kit delivers German...09105574- SKU:
- 09105574
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 48.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- TYPE:
- DUAL RING
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- 47.95 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 82 CC
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
On Sale
Wossner Piston Kit 8656DA for Honda CRF250R 2006-2009
WOSSNER
MSRP: $184.00Now: $174.80Was: $184.00Stock pistons can't handle the sustained heat and load demands of racing or high-performance riding. The Wossner 8656DA delivers the durability and precision you need to push your CRF250R to its...09104960- SKU:
- 09104960
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- KIT
- BORE SIZE METRIC:
- 78.00 MM
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- 77.96 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PISTON MATERIAL:
- FORGED
MSRP: $184.00Now: $174.80Was: $184.00
