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 - YZ450 - 2003-2005 PWR139-100
WISECO
$969.95WISECO Engine Kit YZ450 2003-2005 PWR139-100Includes 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...9031526- SKU:
- 9031526
- Availability:
- Ships Same Business Day
- Weight:
- 13.80 LBS
$969.95 -
WISECO Engine Kit - YZ250F - 2003-2004 PWR140-100
WISECO
$889.98WISECO Engine Kit YZ250F 2003-2004 PWR140-100Includes 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...9031527- SKU:
- 9031527
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
$889.98 -
WISECO Engine Kit - YZ250F - 2005-2007 PWR140-101
WISECO
$889.98WISECO Engine Kit YZ250F 2005-2007 PWR140-101Includes 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...9031528- SKU:
- 9031528
- Availability:
- Ships Same Business Day
- Weight:
- 11.35 LBS
$889.98 -
WISECO Engine Kit - YZ250F - 2008-2011 PWR140-102
WISECO
$894.95WISECO Engine Kit YZ250F 2008-2011 PWR140-102Includes 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...9031529- SKU:
- 9031529
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
$894.95 -
WISECO Engine Kit - WR250F - 2005-2013 PWR141-101
WISECO
$889.98WISECO Engine Kit WR250F 2005-2013 PWR141-101Includes 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...9031530- SKU:
- 9031530
- Availability:
- Ships Same Business Day
- Weight:
- 11.55 LBS
$889.98Qty in Cart: 0Quantity:Price:$889.98Subtotal: -
WISECO Engine Kit - CRF250 - 2004-2007 PWR143-100
WISECO
$889.95WISECO Engine Kit CRF250 2004-2007 PWR143-100Includes 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...9031531- SKU:
- 9031531
- Availability:
- Ships Same Business Day
- Weight:
- 5.05 LBS
$889.95 -
WISECO Engine Kit - KX250F - 2006 PWR144-101
WISECO
$884.95WISECO Engine Kit KX250F 2006 PWR144-101Includes 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...9031532- SKU:
- 9031532
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
$884.95 -
WISECO Engine Kit - KX250F - 2007-2008 PWR144-102
WISECO
$894.95WISECO Engine Kit KX250F 2007-2008 PWR144-102Includes 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...9031533- SKU:
- 9031533
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
$894.95 -
WISECO Engine Kit - YZ450F - 2006-2009 PWR151-100
WISECO
$994.95WISECO Engine Kit YZ450F 2006-2009 PWR151-100Includes 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...9031535- SKU:
- 9031535
- Availability:
- Ships Same Business Day
- Weight:
- 14.00 LBS
$994.95 -
WISECO Engine Kit - KTM/TC125 - 2007-2015 PWR153-102
WISECO
$664.95WISECO Engine Kit KTM/TC125 2007-2015 PWR153-102Includes 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...9031536- SKU:
- 9031536
- Availability:
- Ships Same Business Day
- Weight:
- 10.65 LBS
- DISPLACEMENT:
- 125 CC
- FEATURES:
- PROLITE® PISTON
- TYPE:
- ENGINE
- BORE SIZE METRIC:
- 54.00 MM
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$664.95 -
WISECO Engine Kit - CRF250 - 2008-2009 PWR159-100
WISECO
$879.95WISECO Engine Kit CRF250 2008-2009 PWR159-100Includes 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...9031537- SKU:
- 9031537
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
$879.95Qty in Cart: 0Quantity:Price:$879.95Subtotal: -
WISECO Engine Rebuild Kit PWR199-100
WISECO
$992.37WISECO Engine Rebuild Kit PWR199-100Includes 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®...9031670- SKU:
- 9031670
- Availability:
- Ships Same Business Day
- Weight:
- 11.35 LBS
- BORE SIZE METRIC:
- 77.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$992.37Qty in Cart: 0Quantity:Price:$992.37Subtotal: -
WISECO Engine Rebuild Kit PWR210-100
WISECO
$971.10WISECO Engine Rebuild Kit PWR210-100Includes 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®...9031671- SKU:
- 9031671
- Availability:
- Ships Same Business Day
- Weight:
- 15.15 LBS
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$971.10Qty in Cart: 0Quantity:Price:$971.10Subtotal: -
WISECO Engine Rebuild Kit PWR213-100
WISECO
$884.95WISECO Engine Rebuild Kit PWR213-100Includes 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®...9031672- SKU:
- 9031672
- Availability:
- Ships Same Business Day
- Weight:
- 8.75 LBS
- BORE SIZE METRIC:
- 54.00 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$884.95 -
WISECO Valve Kit SVKB1336
WISECO
$344.95WISECO Valve Kit SVKB1336Complete package with valves and springs for intake and exhaust, Matched steel valves and springs provide an engineered solution to your engine, OEM-quality valves manufactured by leading OEM suppliers, Precision valve springs...9263058- SKU:
- 9263058
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
$344.95 -
WISECO Valve Kit SVKB1337
WISECO
$344.95WISECO Valve Kit SVKB1337Complete package with valves and springs for intake and exhaust, Matched steel valves and springs provide an engineered solution to your engine, OEM-quality valves manufactured by leading OEM suppliers, Precision valve springs...9263059- SKU:
- 9263059
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- APPLICATION:
- EXHAUST
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- INTAKE
$344.95Qty in Cart: 0Quantity:Price:$344.95Subtotal: -
WISECO Valve Kit SVKB1340
WISECO
$344.95WISECO Valve Kit SVKB1340Complete package with valves and springs for intake and exhaust, Matched steel valves and springs provide an engineered solution to your engine, OEM-quality valves manufactured by leading OEM suppliers, Precision valve springs...9263060- SKU:
- 9263060
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
$344.95 -
WISECO Valve Kit SVKB1403
WISECO
$344.95WISECO Valve Kit SVKB1403Complete package with valves and springs for intake and exhaust, Matched steel valves and springs provide an engineered solution to your engine, OEM-quality valves manufactured by leading OEM suppliers, Precision valve springs...9263061- SKU:
- 9263061
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$344.95 -
WISECO Valve Kit SVKB1404
WISECO
$344.95WISECO Valve Kit SVKB1404Complete package with valves and springs for intake and exhaust, Matched steel valves and springs provide an engineered solution to your engine, OEM-quality valves manufactured by leading OEM suppliers, Precision valve springs...9263062- SKU:
- 9263062
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
$344.95 -
WISECO Valve Kit SVKB1409
WISECO
$344.95WISECO Valve Kit SVKB1409Complete package with valves and springs for intake and exhaust, Matched steel valves and springs provide an engineered solution to your engine, OEM-quality valves manufactured by leading OEM suppliers, Precision valve springs...9263063- SKU:
- 9263063
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- UNITS:
- KIT
$344.95
