Dirt Bike Engine
Dirt Bike Engine Parts at JJ Motorsports
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance from JJ Motorsports. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts to keep your engine running at peak efficiency on the track or trails.
Shop trusted brands like Wiseco for forged piston kits and K&N for high-flow oil filters. Explore related categories such as Dirt Bike Air and Fuel for intake upgrades or Dirt Bike Exhaust for complete systems.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
Wossner Suzuki RM250 2000-2002 66.34mm Piston Kit 8059DA
WOSSNER
MSRP: $152.00Now: $144.40Was: $152.00The Wossner RM250 piston kit is engineered for 2-stroke racers who demand reliability under extreme conditions. With a complete assembly including piston, rings, pin, and clips, you get a bolt-on solution that eliminates guesswork and downtime. German...09104769- SKU:
- 09104769
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 66.34 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
MSRP: $152.00Now: $144.40Was: $152.00Qty in Cart: 0Quantity:Price:MSRP: $152.00Now: $144.40Was: $152.00Subtotal: -
On Sale
Wossner Piston Kit 53.96mm Yamaha YZ125 1998-2001 8091DB
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00The stock piston in your YZ125 can't handle the demands of aggressive riding—wear accelerates, blow-by increases, and power delivery suffers. This Wössner 8091DB kit restores your engine to peak performance with OEM-quality components engineered to...09104820- SKU:
- 09104820
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SINGLE RING
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.01 MM
- BORE - OVERSIZE:
- +0,01 MM
- BORE - OVERSIZE METRIC:
- +0.01 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 53.96 MM
- 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 65.94mm Kawasaki KDX200 1986-2006 8093DA
WOSSNER
MSRP: $142.00Now: $134.90Was: $142.00If you're running a KDX200 and want to restore lost compression or upgrade to a higher-displacement setup, a quality piston kit is non-negotiable. The Wossner 8093DA delivers the precision engineering and durability you need for consistent power delivery...09104822- SKU:
- 09104822
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- UNITS:
- KIT
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 66.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- 65.94 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 198 CC
- PISTON MATERIAL:
- FORGED
- TYPE:
- DUAL RING
MSRP: $142.00Now: $134.90Was: $142.00Qty in Cart: 0Quantity:Price:MSRP: $142.00Now: $134.90Was: $142.00Subtotal: -
On Sale
Wossner Piston Kit Suzuki RM125 2004-2007 8098DA
WOSSNER
MSRP: $142.00Now: $134.90Was: $142.00The Wossner Piston Kit 8098DA is engineered specifically for the Suzuki RM125 (2004-2007) to restore or enhance your 2-stroke's performance with OEM-quality reliability. The premium 4032 T6 forged aluminum construction delivers superior heat resistance...09104823- SKU:
- 09104823
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE SIZE METRIC:
- 54.00 MM
- TYPE:
- SINGLE RING
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 124 CC
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 53.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
MSRP: $142.00Now: $134.90Was: $142.00Qty in Cart: 0Quantity:Price:MSRP: $142.00Now: $134.90Was: $142.00Subtotal: -
On Sale
Wossner Suzuki RM125 2004-2007 53.96mm Piston Kit 8098DB
WOSSNER
MSRP: $142.00Now: $134.90Was: $142.00The Wössner 8098DB piston kit is engineered to restore your RM125's peak performance and reliability. Whether you're rebuilding after a seizure or upgrading from OEM components, this German-precision piston delivers the durability and efficiency your...09104824- SKU:
- 09104824
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +0.01 MM
- BORE SIZE METRIC:
- 54.01 MM
- DISPLACEMENT:
- 124 CC
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- 53.96 MM
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- +0,01 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
MSRP: $142.00Now: $134.90Was: $142.00 -
On Sale
Wossner Piston Kit Kawasaki KX85 2001-2025 48.45mm 8102DA
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00Stock pistons can't handle the demands of high-performance riding—worn rings lose compression, increased friction robs you of power, and piston rock creates unwanted noise and wear. The Wossner 8102DA delivers the complete solution with OEM-spec fitment...09104826- SKU:
- 09104826
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 48.45 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 84 CC
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- TYPE:
- SINGLE RING
- BORE SIZE METRIC:
- 48.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
MSRP: $112.00Now: $106.40Was: $112.00 -
On Sale
Wossner Piston Kit Kawasaki KX85 2001-2025 48.47mm 8102DC
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00When you're pushing a KX85 to its limits, piston reliability directly impacts your power delivery and engine longevity. The Wossner 8102DC delivers the precision engineering and material science needed to handle aggressive 2-stroke demands without...09104828- SKU:
- 09104828
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- +0,02 MM
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 84 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 48.47 MM
- BORE - OVERSIZE METRIC:
- +0.02 MM
- BORE SIZE METRIC:
- 48.52 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SINGLE RING
- UNITS:
- KIT
MSRP: $112.00Now: $106.40Was: $112.00Qty in Cart: 0Quantity:Price:MSRP: $112.00Now: $106.40Was: $112.00Subtotal: -
On Sale
Wossner Suzuki RM85 2002-2023 47.97mm Piston Kit 8103DC
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00A worn or damaged piston directly kills engine performance, reliability, and throttle response on your RM85—especially critical for 2-stroke engines that depend on precision tolerances. The Wossner 8103DC delivers a complete, ready-to-install solution...09104831- SKU:
- 09104831
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +0.02 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- +0,02 MM
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 48.02 MM
- DISPLACEMENT:
- 84 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 47.97 MM
MSRP: $112.00Now: $106.40Was: $112.00 -
On Sale
Wossner 47.45mm Single Ring Piston Kit for Yamaha YZ85 2002-2025 8104DA
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00A worn or damaged piston compromises combustion efficiency, increases blow-by, and accelerates engine wear—especially critical in 2-stroke applications where precision tolerances are unforgiving. The Wössner 8104DA restores your YZ85's performance with a...09104832- SKU:
- 09104832
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE SIZE METRIC:
- 47.50 MM
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 84 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 47.45 MM
MSRP: $112.00Now: $106.40Was: $112.00Qty in Cart: 0Quantity:Price:MSRP: $112.00Now: $106.40Was: $112.00Subtotal: -
On Sale
Wossner Yamaha YZ85 2002-2026 Piston Kit 8104DB
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00The Wossner YZ85 Piston Kit 8104DB is engineered to deliver the reliability and durability your 2-stroke engine demands, whether you're pushing hard on the track or putting in serious practice hours. This complete kit eliminates the guesswork of sourcing...09104833- SKU:
- 09104833
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE METRIC:
- +0.01 MM
- BORE SIZE METRIC:
- 47.51 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- TYPE:
- SINGLE RING
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +0,01 MM
- DISPLACEMENT:
- 84 CC
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 47.46 MM
MSRP: $112.00Now: $106.40Was: $112.00 -
On Sale
Wossner Piston Kit KTM 85 SX 2003-2025 47.02mm 8147DC
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00The Wossner Piston Kit 8147DC is engineered for KTM 85 SX riders who demand reliability and consistent power delivery across the entire RPM band. Two-stroke pistons experience extreme thermal and mechanical stress, and a quality forged piston directly...09104849- SKU:
- 09104849
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SINGLE RING
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.02 MM
- BORE SIZE METRIC:
- 47.02 MM
- DISPLACEMENT:
- 84 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 46.97 MM
- BORE - OVERSIZE:
- +0,02 MM
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
MSRP: $112.00Now: $106.40Was: $112.00 -
On Sale
Wossner Dual Ring Piston Kit Honda CR250R 1978-1980 8154DA
WOSSNER
MSRP: $152.00Now: $144.40Was: $152.00If you're rebuilding a CR250R top-end, you need a piston that can handle the demands of a high-revving 2-stroke without compromise. The Wossner 8154DA delivers the durability and precision fit that serious racers and mechanics expect, engineered to...09104851- SKU:
- 09104851
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- 69.94 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 248 CC
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- FORGED
- TYPE:
- DUAL RING
MSRP: $152.00Now: $144.40Was: $152.00 -
On Sale
Wossner 53.96mm Single Ring Piston Kit Yamaha YZ125 2005-2021 8160DB
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00When you're pushing a YZ125 to the limit, your piston has to survive extreme combustion pressures and temperatures—stock units often can't handle it. The Wossner 8160DB delivers the reliability and efficiency gains you need to keep your engine running...09104854- SKU:
- 09104854
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.01 MM
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- +0,01 MM
- BORE - OVERSIZE METRIC:
- +0.01 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 53.96 MM
- PRODUCT NAME:
- PISTON KIT
MSRP: $122.00Now: $115.90Was: $122.00 -
On Sale
Wossner Piston Kit Kawasaki KX100 1995-2021 52.45mm 8254DA
WOSSNER
MSRP: $112.00Now: $106.40Was: $112.00The Wossner 8254DA piston kit is engineered specifically for the Kawasaki KX100 (1995-2021) to deliver the reliability and precision required in competitive 2-stroke racing. A complete, bolt-on upgrade, this kit replaces worn or damaged components with...09104898- SKU:
- 09104898
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 52.45 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 99 CC
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 52.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- SINGLE RING
MSRP: $112.00Now: $106.40Was: $112.00Qty in Cart: 0Quantity:Price:MSRP: $112.00Now: $106.40Was: $112.00Subtotal: -
On Sale
Wossner Piston Kit KTM 50 SX 2009-2025 8262DA
WOSSNER
MSRP: $102.00Now: $96.90Was: $102.00A worn or damaged piston directly kills engine performance, compression, and reliability—especially in high-revving 2-stroke applications where tolerances are razor-thin. The Wossner 8262DA is engineered to restore full power delivery while actually...09104899- SKU:
- 09104899
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON SIZE METRIC:
- 39.46 MM
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 49 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 39.50 MM
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
MSRP: $102.00Now: $96.90Was: $102.00 -
On Sale
Wössner Piston Kit 39.48mm for KTM 50 SX 2009-2025 8262DC
WOSSNER
MSRP: $102.00Now: $96.90Was: $102.00The Wössner Piston Kit 8262DC is engineered for 2-stroke racers who demand reliability under extreme combustion pressures. This complete bolt-on kit eliminates the guesswork of individual component matching, while the proprietary skirt coating reduces...09104901- SKU:
- 09104901
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- DISPLACEMENT:
- 49 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SINGLE RING
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,02 MM
- BORE - OVERSIZE METRIC:
- +0.02 MM
- BORE SIZE METRIC:
- 39.52 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 39.48 MM
- PRODUCT NAME:
- PISTON KIT
MSRP: $102.00Now: $96.90Was: $102.00Qty in Cart: 0Quantity:Price:MSRP: $102.00Now: $96.90Was: $102.00Subtotal: -
On Sale
Wossner Piston Kit 94.95mm KTM 520 EXC 2000-2002 8547DA
WOSSNER
MSRP: $214.00Now: $203.30Was: $214.00If you're running a KTM 520 EXC hard, factory pistons won't cut it. Wossner's 8547DA kit delivers the reliability and performance you need for sustained high-RPM operation, with precision engineering and proven durability that lets you push your bike...09104923- SKU:
- 09104923
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE SIZE METRIC:
- 95.00 MM
- PISTON SIZE METRIC:
- 94.95 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PREMIUM SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
MSRP: $214.00Now: $203.30Was: $214.00 -
On Sale
Wossner Piston Kit KTM 525 EXC 2003-2007 8547DB
WOSSNER
MSRP: $214.00Now: $203.30Was: $214.00The KTM 525 EXC demands a piston that can handle the demands of serious off-road riding—extreme heat, variable load conditions, and sustained high RPMs. The Wössner 8547DB delivers precisely that with a forged 4032 T6 aluminum construction that resists...09104924- SKU:
- 09104924
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +0,01 MM
- BORE - OVERSIZE METRIC:
- +0.01 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON SIZE METRIC:
- 94.96 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 95.01 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PREMIUM SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
MSRP: $214.00Now: $203.30Was: $214.00Qty in Cart: 0Quantity:Price:MSRP: $214.00Now: $203.30Was: $214.00Subtotal: -
On Sale
Wossner Piston Kit Yamaha YZ250F 2001-2004 77mm 12.5:1 Compression 8559DA
WOSSNER
MSRP: $184.00Now: $174.80Was: $184.00The Wossner 8559DA piston kit is engineered to restore or upgrade your YZ250F's top-end with precision-matched components that handle sustained high-RPM operation. Factory OEM pistons wear, lose compression, and compromise throttle response—this...09104925- SKU:
- 09104925
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE SIZE METRIC:
- 77.00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- MODEL:
- PREMIUM SERIES
- PISTON SIZE METRIC:
- 76.96 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
MSRP: $184.00Now: $174.80Was: $184.00 -
On Sale
Wossner Piston Kit 76.97mm Yamaha YZ250F 2001-2004 WR250F 2001-2013 8559DB
WOSSNER
MSRP: $184.00Now: $174.80Was: $184.00If you're running a YZ250F or WR250F hard on the track or trail, the factory piston won't cut it when you're pushing peak RPMs and demanding maximum reliability. The Wossner 8559DB is German-engineered specifically for this engine, delivering the...09104926- SKU:
- 09104926
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE:
- +0,01 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 77.01 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- MODEL:
- PREMIUM SERIES
- BORE - OVERSIZE METRIC:
- +0.01 MM
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 76.97 MM
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
MSRP: $184.00Now: $174.80Was: $184.00Qty in Cart: 0Quantity:Price:MSRP: $184.00Now: $174.80Was: $184.00Subtotal:
