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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VERTEX Piston Kit - Standard 22991A
VERTEX
$158.95VERTEX Piston Kit Standard 22991AAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09100984- SKU:
- 09100984
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 105 CC
- PISTON DIAMETER METRIC:
- 51.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 52.00 MM
- STYLE:
- CAST REPLICA
$158.95 -
VERTEX Piston Kit 22532B
VERTEX
$182.95VERTEX Piston Kit 22532BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09100987- SKU:
- 09100987
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PISTON DIAMETER METRIC:
- 54.20 MM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 54.25 MM
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
$182.95 -
VERTEX Piston Kit - Standard 23383A
VERTEX
$201.95VERTEX Piston Kit Standard 23383AAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09100990- SKU:
- 09100990
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 55.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 56.00 MM
- DISPLACEMENT:
- 144 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$201.95 -
Wiseco Piston Kit Standard 77mm 13.5:1 Kawasaki KX250F 2011-2014 40019M07700
WISECO
$224.95Wiseco 40019M07700 Piston Kit Elevate your Kawasaki KX250F's performance with the Wiseco 40019M07700 Piston Kit, designed for riders who demand the best. This piston kit combines cutting-edge engineering with premium materials to ensure optimal...09102895- SKU:
- 09102895
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 53.60 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 250 CC
$224.95 -
Wiseco Piston Kit Yamaha IT250 1978-1980 71mm Bore 234M07100
WISECO
$199.95Wiseco 234M07100 Piston Kit Unlock the full potential of your 2-stroke engine with the Wiseco 234M07100 Piston Kit. Designed for performance enthusiasts, this kit delivers unmatched reliability and precision, ensuring your motorcycle operates at its best...234M07100- SKU:
- 234M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 71.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 70.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$199.95 -
Wiseco Piston Kit 88.00mm 12.3:1 Compression 2012-2016 KTM 350 EXC-F 40056M08800
WISECO
$244.95Wiseco 40056M08800 Piston Kit Elevate your motorcycle's performance with the Wiseco 40056M08800 Piston Kit. Engineered for enthusiasts seeking unparalleled power and longevity, this piston kit is a game changer for both trail and track riders. Experience...09102897- SKU:
- 09102897
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- STROKE LENGTH METRIC:
- 57.50 MM
- BORE SIZE METRIC:
- 88.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.3:1
- DISPLACEMENT:
- 350 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$244.95 -
Wiseco Piston Kit Yamaha DT100 1974-1983 52mm 235M05200
WISECO
$139.95Wiseco 235M05200 Piston Kit Transform your motorcycle's performance with the Wiseco 235M05200 Piston Kit. Engineered for precision and reliability, this kit is perfect for riders seeking enhanced power and responsiveness from their 2-stroke engines...235M05200- SKU:
- 235M05200
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- DISPLACEMENT:
- 98 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 51.95 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.60 MM
- BORE SIZE METRIC:
- 52.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$139.95Qty in Cart: 0Quantity:Price:$139.95Subtotal: -
Wiseco Piston Kit Yamaha XT500 1976-1981 4045M08700
WISECO
$239.95Wiseco 4045M08700 Piston Kit Transform your motorcycle's performance with the Wiseco 4045M08700 Piston Kit. Designed for enthusiasts who demand excellence, this kit enhances engine efficiency and power, ensuring you conquer every ride with confidence and...09102899- SKU:
- 09102899
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- STREET
- STROKE LENGTH METRIC:
- 84.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 499 CC
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 87.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$239.95 -
Wiseco Piston Kit Standard Bore 66.40mm for Suzuki RM250 1998 723M06640
WISECO
$199.95Wiseco 723M06640 Pro-Lite Piston Kit Transform your 2-stroke engine's performance with the Wiseco 723M06640 Pro-Lite Piston Kit, expertly crafted for riders who demand the best in durability and efficiency. This premium piston kit is designed to enhance...723M06640- SKU:
- 723M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$199.95 -
Wiseco Yamaha YZ125 2002-2004 54mm Piston Kit 797M05400
WISECO
$144.95Wiseco 797M05400 Pro-Lite Piston Kit Transform your riding experience with the Wiseco 797M05400 Pro-Lite Piston Kit, specifically designed for 2-stroke enthusiasts. This advanced piston kit enhances engine performance, ensuring your bike operates at its...797M05400- SKU:
- 797M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
$144.95 -
Wiseco Piston Kit 56mm Oversize for Yamaha YZ 125 2005-2020 797M05600
WISECO
$174.95Wiseco 797M05600 Pro-Lite Piston Kit Elevate your motorcycle's performance with the Wiseco 797M05600 Pro-Lite Piston Kit. Designed specifically for 2-stroke engines, this kit delivers exceptional power and responsiveness, ensuring your ride is both...797M05600- SKU:
- 797M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 54,50 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$174.95 -
Wiseco 1996-2003 Kawasaki Jet Ski 1100 ZXi 809M08000
WISECO
$149.95Wiseco 809M08000 Piston Kit Elevate your watercraft's performance with the Wiseco 809M08000 Piston Kit, specifically engineered for high-octane riders seeking unmatched reliability and power. Crafted with precision and designed to withstand extreme...809M08000- SKU:
- 809M08000
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- WATERCRAFT
- DISPLACEMENT:
- 743 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 80.00 MM
- DISPLACEMENT:
- 1071 CC
- PRODUCT NAME:
- PISTON
$149.95 -
Wiseco Kawasaki KX250 2002-2004 Crankshaft Kit WPC128A
WISECO
$479.95WISECO Crankshaft with Bearing and Gasket WPC128A Upgrade your engine's performance with the WISECO Crankshaft, expertly crafted to meet OEM specifications. This comprehensive kit includes everything you need for a complete rebuild, ensuring reliability...09210108- SKU:
- 09210108
- Availability:
- Ships Same Business Day
- Weight:
- 12.96 LBS
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$479.95Qty in Cart: 0Quantity:Price:$479.95Subtotal: -
Wiseco Crankshaft Kit for 1992-2001 Kawasaki KX250 WPC128B
WISECO
$479.95WISECO High-Performance Crankshaft Assembly WPC128B The WISECO WPC128B Crankshaft Assembly is engineered for maximum performance and reliability. This all-in-one solution includes a top-end bearing, premium main bearings, and a comprehensive bottom-end...09210109- SKU:
- 09210109
- Availability:
- Ships Same Business Day
- Weight:
- 12.51 LBS
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$479.95 -
Wiseco Suzuki RM125 2004-2008 Crankshaft Kit WPC135
WISECO
$399.95WISECO Crankshaft with Bearing and Gasket WPC135 Upgrade your engine's performance with the WISECO Crankshaft WPC135, designed for precision and durability. This complete kit includes everything you need for a seamless installation, ensuring your engine...09210110- SKU:
- 09210110
- Availability:
- Ships Same Business Day
- Weight:
- 9.43 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- KIT
- TYPE:
- BOTTOM END
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$399.95 -
Wiseco Crankshaft Kit for Yamaha WR250F 2003-2013 WPC141
WISECO
$574.95WISECO Crankshaft with Bearing and Gasket WPC141 Upgrade your engine's performance with the WISECO Crankshaft WPC141, designed for precision and durability. This comprehensive kit includes everything you need for a complete overhaul, ensuring optimal...09210111- SKU:
- 09210111
- Availability:
- Ships Same Business Day
- Weight:
- 10.11 LBS
- STROKE LENGTH METRIC:
- 53.60 MM
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$574.95 -
Wiseco Crankshaft Kit for 2003-2005 Yamaha YZ 450 F WPC139
WISECO
$624.95WISECO Crankshaft with Bearing and Gasket WPC139 Upgrade your engine performance with the WISECO Crankshaft, designed for precision and reliability. This complete kit includes everything you need for a successful rebuild, ensuring optimal power and...09210112- SKU:
- 09210112
- Availability:
- Ships Same Business Day
- Weight:
- 11.78 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BOTTOM END
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- MATERIAL:
- STEEL
- STROKE LENGTH METRIC:
- 63.40 MM
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$624.95 -
Wiseco Ring Set 50.50mm Suzuki LT80 1987-2006 Kawasaki KX85 2001-2015 1988CD
WISECO
$49.95WISECO Ring Set 1988CD Enhance your engine's performance with the WISECO Ring Set 1988CD, specifically designed for optimal fit and durability. Each set is tailored for a single piston, ensuring precise operation and longevity. Upgrade your engine's...1988CD- SKU:
- 1988CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE METRIC:
- 50.50 MM
- UNITS:
- SET
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 79,7 CC
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$49.95 -
Wiseco KX100 1995-2013 Ring Set 2067CD
WISECO
$49.95WISECO Ring Set 2067CD Enhance your engine's performance with the WISECO Ring Set 2067CD, designed for precision and durability. Each set is tailored for a single piston, ensuring optimal fit and function for your high-performance needs. Experience...2067CD- SKU:
- 2067CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- DISPLACEMENT:
- 99 CC
- UNITS:
- SET
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 52.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
$49.95 -
Wiseco KX100 1995-2013 Ring Set 53mm 2087CD
WISECO
$49.95WISECO Ring Set 2087CD The WISECO Ring Set 2087CD is expertly engineered to enhance engine performance and longevity. Designed for precision fit and optimal sealing, this ring set ensures your piston operates at peak efficiency. Upgrade your engine's...2087CD- SKU:
- 2087CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- SET
- DISPLACEMENT:
- 99 CC
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 53.00 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$49.95
