Dirt Bike Engine
Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!
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Dirt Bike Cams and Parts
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Dirt Bike Connecting Rods and Parts
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Dirt Bike Crankcases and Parts
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Dirt Bike Crankshafts and Parts
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Dirt Bike Cylinder Heads and Parts
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Dirt Bike Cylinders and Parts
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Dirt Bike Engine Bearings
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Dirt Bike Engine Covers
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Dirt Bike Engine Gaskets and Kits
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Dirt Bike Engine Rebuild Kits
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Dirt Bike Engine Seals - Orings and Kits
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Dirt Bike Engine Valves and Parts
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Dirt Bike Flywheel and Rod Assemblies
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Dirt Bike Fuel Filters
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Dirt Bike Miscellaneous Engine Parts
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Dirt Bike Oil Coolers
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Dirt Bike Oil Filters
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Dirt Bike Oil Lines
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Dirt Bike Oil Pumps
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Dirt Bike Piston and Ring Kits
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Dirt Bike Piston Rings Only
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Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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WISECO Crankshaft with Bearing and Gasket WPC126
WISECO
$464.95WISECO Crankshaft with Bearing and Gasket WPC126Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210104- SKU:
- 9210104
- Availability:
- Ships Same Business Day
- Weight:
- 12.18 LBS
- STROKE LENGTH METRIC:
- 72.00 MM
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BOTTOM END
- UNITS:
- KIT
$464.95 -
WISECO Crankshaft with Bearing and Gasket WPC132
WISECO
$459.95WISECO Crankshaft with Bearing and Gasket WPC132Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210105- SKU:
- 9210105
- Availability:
- Ships Same Business Day
- Weight:
- 12.55 LBS
- STROKE LENGTH METRIC:
- 72.00 MM
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$459.95 -
WISECO Crankshaft with Bearing and Gasket WPC116B
WISECO
$365.10WISECO Crankshaft with Bearing and Gasket WPC116BInclude crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order,...9210106- SKU:
- 9210106
- Availability:
- Ships Same Business Day
- Weight:
- 8.25 LBS
$365.10Qty in Cart: 0Quantity:Price:$365.10Subtotal: -
WISECO Crankshaft with Bearing and Gasket WPC116A
WISECO
$359.95WISECO Crankshaft with Bearing and Gasket WPC116AInclude crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order,...9210107- SKU:
- 9210107
- Availability:
- Ships Same Business Day
- Weight:
- 8.26 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- BOTTOM END
- FEATURES:
- INCLUDES BEARING AND GASKET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$359.95 -
WISECO Crankshaft Assembly WPC149
WISECO
$429.95WISECO Crankshaft Assembly WPC149Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts are factory...9210148- SKU:
- 9210148
- Availability:
- Ships Same Business Day
- Weight:
- 7.11 LBS
- STROKE LENGTH METRIC:
- 43.70 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- BOTTOM END
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$429.95Qty in Cart: 0Quantity:Price:$429.95Subtotal: -
WISECO Crankshaft Kit with Gasket WPC151
WISECO
$624.95WISECO Crankshaft Kit with Gasket WPC151Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts are...9210432- SKU:
- 9210432
- Availability:
- Ships Same Business Day
- Weight:
- 12.27 LBS
- PRODUCT NAME:
- CRANKSHAFT KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 63.40 MM
- UNITS:
- KIT
$624.95Qty in Cart: 0Quantity:Price:$624.95Subtotal: -
WISECO Crankshaft Kit with Gasket WPC153
WISECO
$569.95WISECO Crankshaft Kit with Gasket WPC153Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts are...9210434- SKU:
- 9210434
- Availability:
- Ships Same Business Day
- Weight:
- 9.97 LBS
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- STROKE LENGTH METRIC:
- 54.50 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$569.95 -
WISECO Engine Rebuild Kit PWR101-100
WISECO
$659.95WISECO Engine Rebuild Kit PWR101-100Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031596- SKU:
- 9031596
- Availability:
- Ships Same Business Day
- Weight:
- 14.10 LBS
- BORE SIZE METRIC:
- 66.40 MM
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$659.95 -
WISECO Engine Rebuild Kit PWR115-100
WISECO
$479.95WISECO Engine Rebuild Kit PWR115-100Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031597- SKU:
- 9031597
- Availability:
- Ships Same Business Day
- Weight:
- 8.05 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$479.95 -
WISECO Engine Rebuild Kit PWR115-101
WISECO
$474.95WISECO Engine Rebuild Kit PWR115-101Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031598- SKU:
- 9031598
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.00 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$474.95 -
WISECO Engine Rebuild Kit PWR116A-100
WISECO
$523.15WISECO Engine Rebuild Kit PWR116A-100Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031599- SKU:
- 9031599
- Availability:
- Ships Same Business Day
- Weight:
- 9.85 LBS
$523.15Qty in Cart: 0Quantity:Price:$523.15Subtotal: -
WISECO Engine Rebuild Kit PWR116A-101
WISECO
$549.95WISECO Engine Rebuild Kit PWR116A-101Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031600- SKU:
- 9031600
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- BORE SIZE METRIC:
- 54.00 MM
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$549.95 -
WISECO Engine Rebuild Kit PWR116A-102
WISECO
$549.95WISECO Engine Rebuild Kit PWR116A-102Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031601- SKU:
- 9031601
- Availability:
- Ships Same Business Day
- Weight:
- 9.85 LBS
- BORE SIZE METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
$549.95 -
WISECO Engine Rebuild Kit PWR116A-103
WISECO
$552.80WISECO Engine Rebuild Kit PWR116A-103Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031602- SKU:
- 9031602
- Availability:
- Ships Same Business Day
- Weight:
- 10.45 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- TYPE:
- ENGINE
$552.80Qty in Cart: 0Quantity:Price:$552.80Subtotal: -
WISECO Engine Rebuild Kit PWR128-103
WISECO
$638.90WISECO Engine Rebuild Kit PWR128-103Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031609- SKU:
- 9031609
- Availability:
- Ships Same Business Day
- Weight:
- 13.60 LBS
$638.90Qty in Cart: 0Quantity:Price:$638.90Subtotal: -
On Sale
WISECO Engine Rebuild Kit PWR140-103
WISECO
MSRP: $854.67Now: $583.31Was: $897.40WISECO Engine Rebuild Kit PWR140-103Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031612- SKU:
- 9031612
- Availability:
- Ships Same Business Day
- Weight:
- 8.05 LBS
- BORE SIZE METRIC:
- 77.00 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
MSRP: $854.67Now: $583.31Was: $897.40 -
On Sale
WISECO Engine Rebuild Kit PWR141-100
WISECO
MSRP: $855.90Now: $584.16Was: $898.70WISECO Engine Rebuild Kit PWR141-100Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031613- SKU:
- 9031613
- Availability:
- Ships Same Business Day
- Weight:
- 11.35 LBS
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.7:1
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
MSRP: $855.90Now: $584.16Was: $898.70Qty in Cart: 0Quantity:Price:MSRP: $855.90Now: $584.16Was: $898.70Subtotal: -
WISECO Engine Rebuild Kit PWR142-100
WISECO
$967.84WISECO Engine Rebuild Kit PWR142-100Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031614- SKU:
- 9031614
- Availability:
- Ships Same Business Day
- Weight:
- 15.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 95.50 MM
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PRODUCT NAME:
- REBUILD KIT
$967.84 -
WISECO Engine Rebuild Kit PWR144-100
WISECO
$884.06WISECO Engine Rebuild Kit PWR144-100Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...9031615- SKU:
- 9031615
- Availability:
- Ships Same Business Day
- Weight:
- 11.20 LBS
$884.06Qty in Cart: 0Quantity:Price:$884.06Subtotal: -
WISECO Engine Kit - CR85R 2003-2004 PWR115-103
WISECO
$464.95WISECO Engine Kit CR85R 2003-2004 PWR115-103Includes all top and bottom-end components for a complete engine rebuild, Crankshaft and rod assembly designed and inspected to assure durability, Kit includes main bearings, seals, gaskets, an hour meter and...9031495- SKU:
- 9031495
- Availability:
- Ships Same Business Day
- Weight:
- 7.95 LBS
- BORE SIZE METRIC:
- 47.50 MM
- DISPLACEMENT:
- 85 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- FEATURES:
- PROLITE® PISTON
- MODEL:
- GARAGE BUDDY
- OVERBORE METRIC:
- STANDARD
$464.95
