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 Engine Kit - CR125 - 2001-2002 PWR116A-104
WISECO
$554.95WISECO Engine Kit CR125 2001-2002 PWR116A-104Includes 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...9031496- SKU:
- 9031496
- Availability:
- Ships Same Business Day
- Weight:
- 4.35 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- FEATURES:
- PROLITE® PISTON
- UNITS:
- KIT
$554.95 -
WISECO Engine Kit - KX65 - 2000-2005 PWR117-100
WISECO
$459.95WISECO Engine Kit KX65 2000-2005 PWR117-100Includes 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...9031497- SKU:
- 9031497
- Availability:
- Ships Same Business Day
- Weight:
- 7.40 LBS
- DISPLACEMENT:
- 65 CC
- ENGINE TYPE:
- 2-STROKE
- FEATURES:
- STANDARD PISTON
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 44.50 MM
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$459.95 -
WISECO Engine Kit - KX100 - 1995-1997 PWR119-100
WISECO
$474.95WISECO Engine Kit KX100 1995-1997 PWR119-100Includes 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...9031498- SKU:
- 9031498
- Availability:
- Ships Same Business Day
- Weight:
- 7.95 LBS
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 52.50 MM
- DISPLACEMENT:
- 100 CC
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- ENGINE
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$474.95Qty in Cart: 0Quantity:Price:$474.95Subtotal: -
WISECO Engine Kit - KX100 - 1998-2005 PWR119-102
WISECO
$479.95WISECO Engine Kit KX100 1998-2005 PWR119-102Includes 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...9031499- SKU:
- 9031499
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 52.50 MM
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- DISPLACEMENT:
- 100 CC
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$479.95 -
WISECO Engine Kit - KX85 2001-2005 PWR119-104
WISECO
$469.95WISECO Engine Kit KX85 2001-2005 PWR119-104Includes 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...9031500- SKU:
- 9031500
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- TYPE:
- ENGINE
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- DISPLACEMENT:
- 85 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 48.50 MM
$469.95Qty in Cart: 0Quantity:Price:$469.95Subtotal: -
WISECO Engine Kit - RM125 - 2001-2003 PWR121-100
WISECO
$529.95WISECO Engine Kit RM125 2001-2003 PWR121-100Includes 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...9031501- SKU:
- 9031501
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
- DISPLACEMENT:
- 125 CC
- FEATURES:
- PROLITE® PISTON
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$529.95Qty in Cart: 0Quantity:Price:$529.95Subtotal: -
WISECO Engine Kit - YZ80 - 1993-2001 PWR122-100
WISECO
$474.95WISECO Engine Kit YZ80 1993-2001 PWR122-100Includes 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...9031502- SKU:
- 9031502
- Availability:
- Ships Same Business Day
- Weight:
- 7.80 LBS
- DISPLACEMENT:
- 80 CC
- FEATURES:
- PROLITE® PISTON
- BORE SIZE METRIC:
- 47.00 MM
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$474.95 -
WISECO Engine Kit - YZ85 - 2002-2017 PWR123-100
WISECO
$454.95WISECO Engine Kit YZ85 2002-2017 PWR123-100Includes 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...9031503- SKU:
- 9031503
- Availability:
- Ships Same Business Day
- Weight:
- 7.60 LBS
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.50 MM
- DISPLACEMENT:
- 85 CC
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$454.95 -
WISECO Engine Kit - YZ125 1998-2000 PWR124-100
WISECO
$539.95WISECO Engine Kit YZ125 1998-2000 PWR124-100Includes 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...9031504- SKU:
- 9031504
- Availability:
- Ships Same Business Day
- Weight:
- 9.70 LBS
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- ENGINE
- PRODUCT NAME:
- REBUILD KIT
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$539.95Qty in Cart: 0Quantity:Price:$539.95Subtotal: -
WISECO Engine Kit - YZ125 - 2001 PWR125-100
WISECO
$539.95WISECO Engine Kit YZ125 2001 PWR125-100Includes 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 bracket9031505- SKU:
- 9031505
- Availability:
- Ships Same Business Day
- Weight:
- 9.85 LBS
- BORE SIZE METRIC:
- 54.00 MM
- OVERBORE METRIC:
- STANDARD
- FEATURES:
- PROLITE® PISTON
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
$539.95Qty in Cart: 0Quantity:Price:$539.95Subtotal: -
WISECO Engine Kit - YZ125 - 2002 PWR125-101
WISECO
$534.95WISECO Engine Kit YZ125 2002 PWR125-101Includes 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 bracket9031506- SKU:
- 9031506
- Availability:
- Ships Same Business Day
- Weight:
- 9.75 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 125 CC
- FEATURES:
- PROLITE® PISTON
- BORE SIZE METRIC:
- 54.00 MM
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$534.95 -
WISECO Engine Kit - YZ125 - 2003-2004 PWR125-102
WISECO
$534.95WISECO Engine Kit YZ125 2003-2004 PWR125-102Includes 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...9031507- SKU:
- 9031507
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- UNITS:
- KIT
$534.95 -
WISECO Engine Kit - YZ250 - 1999-2000 PWR126-100
WISECO
$644.95WISECO Engine Kit YZ250 1999-2000 PWR126-100Includes 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...9031508- SKU:
- 9031508
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 66.40 MM
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$644.95Qty in Cart: 0Quantity:Price:$644.95Subtotal: -
WISECO Engine Kit - YZ250 - 2001 PWR127-100
WISECO
$644.95WISECO Engine Kit YZ250 2001 PWR127-100Includes 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 bracket9031509- SKU:
- 9031509
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- REBUILD KIT
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- ENGINE
- BORE SIZE METRIC:
- 66.40 MM
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$644.95 -
WISECO Engine Kit - YZ250 - 2002 PWR127-101
WISECO
$649.95WISECO Engine Kit YZ250 2002 PWR127-101Includes 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 bracket9031510- SKU:
- 9031510
- Availability:
- Ships Same Business Day
- Weight:
- 13.00 LBS
- PRODUCT NAME:
- REBUILD KIT
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- ENGINE
- BORE SIZE METRIC:
- 66.40 MM
- OVERBORE METRIC:
- STANDARD
- FEATURES:
- PROLITE® PISTON
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$649.95Qty in Cart: 0Quantity:Price:$649.95Subtotal: -
WISECO Engine Kit - KX250 - 1993-2001 PWR128-102
WISECO
$669.95WISECO Engine Kit KX250 1993-2001 PWR128-102Includes 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...9031511- SKU:
- 9031511
- Availability:
- Ships Same Business Day
- Weight:
- 13.40 LBS
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 66.40 MM
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$669.95 -
WISECO Engine Kit - KX60 - 1985-2003 PWR130-100
WISECO
$459.95WISECO Engine Kit KX60 1985-2003 PWR130-100Includes 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...9031512- SKU:
- 9031512
- Availability:
- Ships Same Business Day
- Weight:
- 14.83 LBS
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- DISPLACEMENT:
- 60 CC
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- BORE SIZE METRIC:
- 43.00 MM
- FEATURES:
- STANDARD PISTON
- MODEL:
- GARAGE BUDDY
- OVERBORE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
$459.95 -
WISECO Engine Kit - RM125 - 2004-2010 PWR135-100
WISECO
$564.95WISECO Engine Kit RM125 2004-2010 PWR135-100Includes 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...9031520- SKU:
- 9031520
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 54.00 MM
- UNITS:
- KIT
- FEATURES:
- PROLITE® PISTON
- MODEL:
- GARAGE BUDDY
- OVERBORE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
$564.95 -
WISECO Engine Kit - CRF450 - 2002-2006 PWR138-100
WISECO
$974.95WISECO Engine Kit CRF450 2002-2006 PWR138-100Includes 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...9031524- SKU:
- 9031524
- Availability:
- Ships Same Business Day
- Weight:
- 15.40 LBS
$974.95 -
WISECO Engine Kit - CRF450 - 2007 PWR138-101
WISECO
$974.95WISECO Engine Kit CRF450 2007 PWR138-101Includes 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...9031525- SKU:
- 9031525
- Availability:
- Ships Same Business Day
- Weight:
- 15.05 LBS
$974.95
