Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. 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.
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Wiseco Piston Kit 56.00mm 2.00mm Oversize for KTM 125 SX 2001-2021 786M05600
WISECO
$174.95WISECO Piston +2.00 mm 786M05600 Experience unparalleled performance with the Wiseco Piston, expertly crafted from a high-silicon aluminum alloy for exceptional strength and reliability. Designed for both trail and racing applications, this piston...786M05600- SKU:
- 786M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STROKE LENGTH:
- 54,50 MM
$174.95 -
Wiseco Piston Kit 54mm Bore Kawasaki KX125 2001-2008 788M05400
WISECO
$184.95High-Performance Wiseco Piston for Kawasaki KX 125 Elevate your racing experience with the Wiseco Piston, expertly crafted from high-silicon aluminum alloy for unmatched strength and reliability. Designed for both competitive and recreational use, this...788M05400- SKU:
- 788M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- STROKE LENGTH:
- 54,50 MM
- STROKE LENGTH METRIC:
- 54.50 MM
$184.95 -
Wiseco Piston Kit 81mm Yamaha WaveRunner 1994-1997 790M08100
WISECO
$159.95WISECO Piston 790M08100 The WISECO Piston 790M08100 is engineered for superior performance in 2-cycle engines, crafted from high-silicone forged bar stock to ensure exceptional strength and minimal thermal expansion. Designed specifically for...790M08100- SKU:
- 790M08100
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 81.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 701 CC
- UNITS:
- EACH
- RIDING STYLE:
- WATERCRAFT
$159.95 -
Wiseco 80.50mm Piston Kit for Kawasaki 1100 ZXi 1996-2003 809M08050
WISECO
$149.95WISECO Piston 809M08050 Experience unmatched performance with the WISECO Piston 809M08050, designed specifically for high-demand 2-cycle applications. Crafted from premium high-silicone forged bar stock, this piston ensures superior strength and minimal...809M08050- SKU:
- 809M08050
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 1083 CC
- DISPLACEMENT:
- 752 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 80.50 MM
- UNITS:
- EACH
$149.95 -
Wiseco Piston Kit 95mm 11.8:1 Compression KTM 450 XC-F 2012-2016 PK1901
WISECO
$329.95WISECO Piston Kit with Gasket KTM PK1901 Upgrade your KTM engine with the WISECO Piston Kit, designed for optimal performance and durability. This comprehensive kit includes everything you need for a complete top-end rebuild, ensuring your engine runs...09031145- SKU:
- 09031145
- Availability:
- Ships Same Business Day
- Weight:
- 1.76 LBS
- BORE SIZE METRIC:
- 95.00 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 63.40 MM
- TYPE:
- TOP END
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- 94.95 MM
- RIDING STYLE:
- STREET
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.8:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$329.95 -
Wiseco Piston Kit with Gasket for Yamaha YZ250F 2012-2013 PK1902
WISECO
$309.95High-Performance WISECO Piston Kit with Gasket for Yamaha PK1902 Elevate your engine's performance with the WISECO Piston Kit, meticulously crafted for Yamaha models. This comprehensive kit includes everything you need for a complete rebuild, ensuring...09031146- SKU:
- 09031146
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 76.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 77.00 MM
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 53.60 MM
$309.95 -
Wiseco Piston Kit with Gasket for Kawasaki KX85 2014-2023 PK1904
WISECO
$169.95WISECO Piston Kit with Gasket for Kawasaki PK1904 Experience unparalleled performance with the WISECO Piston Kit, specifically designed for Kawasaki engines. This complete kit features high-performance forged pistons that deliver exceptional strength and...09031148- SKU:
- 09031148
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 84.9 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- PISTON DIAMETER METRIC:
- 48.45 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 45.80 MM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 48.50 MM
- MODEL:
- PRO-LITE
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
$169.95 -
Wiseco Piston Kit with Gasket for Kawasaki KX85 2014-2020 PK1905
WISECO
$169.95WISECO Piston Kit with Gasket for Kawasaki PK1905 Upgrade your Kawasaki engine with the WISECO Piston Kit, designed for optimal performance and durability. This complete kit includes everything you need for a successful top-end rebuild, ensuring your...09031149- SKU:
- 09031149
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 45.80 MM
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 49.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 48.95 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 84.9 CC
- MODEL:
- PRO-LITE
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
$169.95 -
Wiseco Top End Bearing 12x16x15.8 Kawasaki KFX50 2003-2009 B1000
WISECO
$23.99WISECO Top End Bearing B1000 Engineered for performance, the WISECO Top End Bearing B1000 is crafted from a premium high-silicon aluminum alloy, ensuring exceptional strength and durability. Designed to meet the rigorous demands of high-speed engines,...B1000- SKU:
- B1000
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- APPLICATION:
- PISTON
- INSIDE DIAMETER METRIC:
- 12 MM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- LENGTH METRIC:
- 15.8 MM
- OUTSIDE DIAMETER METRIC:
- 16 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- EACH
$23.99 -
Wiseco Top End Bearing for Suzuki LT250R QuadRacer 1985-1992 B1002
WISECO
$23.99WISECO Top End Bearing B1002 Engineered for performance and durability, the WISECO Top End Bearing B1002 is crafted from a premium high-silicon aluminum alloy. This ensures exceptional strength and reliability, making it ideal for high-speed engine...B1002- SKU:
- B1002
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- PISTON
- INSIDE DIAMETER METRIC:
- 18 MM
- MATERIAL:
- ALUMINUM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- OUTSIDE DIAMETER METRIC:
- 23 MM
- LENGTH METRIC:
- 23.8 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- EACH
$23.99 -
Wiseco Top End Bearing Yamaha YFZ350 Banshee 1987-2006 B1005
WISECO
$23.99WISECO Top End Bearing B1005 Engineered for peak performance, the WISECO Top End Bearing B1005 is crafted from a premium high-silicon aluminum alloy, ensuring unparalleled strength and reliability. Designed to withstand the rigors of high-speed...B1005- SKU:
- B1005
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- LENGTH METRIC:
- 22.5 MM
- PRODUCT NAME:
- BEARING
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER METRIC:
- 21 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- UNITS:
- EACH
- APPLICATION:
- PISTON
- INSIDE DIAMETER METRIC:
- 16 MM
- MATERIAL:
- SILICONE
$23.99 -
Wiseco Top End Bearing Kawasaki KX85 2001-2024 B1006
WISECO
$23.99WISECO Top End Bearing B1006 Engineered for peak performance, the WISECO Top End Bearing B1006 is crafted from a premium high-silicon aluminum alloy, ensuring exceptional strength and reliability. Designed to meet the rigorous demands of high-speed...B1006- SKU:
- B1006
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- LENGTH METRIC:
- 17.5 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER METRIC:
- 18 MM
- TYPE:
- TOP END
- UNITS:
- EACH
- INSIDE DIAMETER METRIC:
- 14 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$23.99 -
Wiseco Top End Bearing Kawasaki KDX200 1986-2006 B1008
WISECO
$23.99WISECO Top End Bearing B1008 Engineered for peak performance, the WISECO Top End Bearing B1008 is crafted from a high-silicon aluminum alloy, ensuring exceptional strength and reliability. These premium bearings are precision-manufactured to meet...B1008- SKU:
- B1008
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- TYPE:
- TOP END
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- BEARING
- UNITS:
- EACH
- INSIDE DIAMETER METRIC:
- 18 MM
- LENGTH METRIC:
- 22 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER METRIC:
- 22 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
$23.99 -
Wiseco Top End Bearing 15x19x20 KTM 125 SX 1998-2021 B1013
WISECO
$23.99WISECO Top End Bearing B1013 Engineered for performance, the WISECO Top End Bearing B1013 utilizes a high-silicon aluminum alloy, ensuring exceptional strength and reliability. These premium bearings are meticulously crafted to meet stringent standards,...B1013- SKU:
- B1013
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- LENGTH METRIC:
- 19.8 MM
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 19 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- INSIDE DIAMETER METRIC:
- 15 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
$23.99 -
Wiseco Top End Bearing Arctic Cat Cheetah 500 F/C 1986-1988 B1014
WISECO
$23.99WISECO Top End Bearing B1014 Engineered for performance, the WISECO Top End Bearing B1014 is crafted from a premium high-silicon aluminum alloy, ensuring exceptional strength and reliability. These bearings are precision-manufactured to meet the highest...B1014- SKU:
- B1014
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- PISTON
- INSIDE DIAMETER METRIC:
- 18 MM
- MATERIAL:
- SILICONE
- LENGTH METRIC:
- 22 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER METRIC:
- 23 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
$23.99 -
Wiseco Cam Chain Kawasaki KX450F 2006-2008 KLX450R 2008-2021 CC019
WISECO
$104.95WISECO Cam Chain CC019 Experience unparalleled performance with the WISECO Cam Chain CC019, expertly crafted from high-quality materials designed to minimize friction and extend longevity. This "M" style chain offers superior strength and reliability,...09250319- SKU:
- 09250319
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- NUMBER OF LINKS:
- 124
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 98XRH2010
- PRODUCT NAME:
- CHAIN
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CAM
- UNITS:
- EACH
$104.95 -
Wiseco 77mm Piston Ring Set for Honda XR250R 1986-2004 3032XC
WISECO
$49.95WISECO Ring Set 3032XC The WISECO Ring Set 3032XC is engineered for optimal performance and durability, designed specifically for one piston. This precision-crafted set ensures a perfect fit and enhances engine efficiency, making it an essential upgrade...09120118- SKU:
- 09120118
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$49.95 -
Wiseco Wrist Pin 19mm OD 47.5mm L Honda CRF450R 2009-2016 S682
WISECO
$23.99WISECO Wrist Pin S682 Engineered for precision and durability, the WISECO Wrist Pin S682 enhances performance by providing superior strength and minimal thermal expansion. This advanced component is designed to withstand extreme conditions, ensuring...09130012- SKU:
- 09130012
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- OUTSIDE DIAMETER METRIC:
- 19.00 MM
- PRODUCT NAME:
- WRIST PIN
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 19,00 MM
- RIDING STYLE:
- OFF-ROAD
- LENGTH:
- 62,1 MM
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- LENGTH METRIC:
- 62.1 MM
- UNITS:
- EACH
$23.99 -
Wiseco Wrist Pin for 2009 KTM 50 SX Mini S563
WISECO
$22.99WISECO Wrist Pin S563 The WISECO Wrist Pin S563 is engineered for optimal performance and durability, making it the perfect choice for high-performance engines. Its advanced manufacturing techniques provide exceptional strength and reduced thermal...09130014- SKU:
- 09130014
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- LENGTH METRIC:
- 37.80 MM
- PRODUCT NAME:
- WRIST PIN
- APPLICATION:
- PISTON
- LENGTH:
- 37,80 MM
- MATERIAL:
- SILICONE
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 12,00 MM
- OUTSIDE DIAMETER METRIC:
- 12.00 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$22.99 -
Wiseco Crankshaft Kit for 2005-2007 Suzuki RM-Z450 WPC142
WISECO
$594.95WISECO Crankshaft with Bearing and Gasket WPC142 Experience unparalleled performance with the WISECO Crankshaft, expertly crafted for superior reliability and efficiency. This comprehensive kit includes a top-end bearing, premium main bearings, and a...09210139- SKU:
- 09210139
- Availability:
- Ships Same Business Day
- Weight:
- 13.54 LBS
- FEATURES:
- INCLUDES BEARING AND GASKET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.80 MM
- TYPE:
- BOTTOM END
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- UNITS:
- KIT
$594.95Qty in Cart: 0Quantity:Price:$594.95Subtotal:
