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 Piston - +1.00 mm - Honda CR250R 614M06750
WISECO
$199.95WISECO Piston +1.00 mm Honda CR250R 614M06750Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...614M06750- SKU:
- 614M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- STROKE LENGTH:
- 72,00 MM
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE SIZE METRIC:
- 67.50 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
WISECO Piston - +.50 mm - Honda CR250R 614M06700
WISECO
$199.95WISECO Piston +.50 mm Honda CR250R 614M06700Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...614M06700- SKU:
- 614M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE SIZE METRIC:
- 67.00 MM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 249 CC
- STROKE LENGTH:
- 72,00 MM
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$199.95 -
WISECO Piston - Standard - Honda CR250R 614M06640
WISECO
$199.95WISECO Piston Standard Honda CR250R 614M06640Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...614M06640- SKU:
- 614M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
$199.95 -
WISECO Piston - +2.00 mm - Yamaha YZ 250/WR | WR 250 Z 605M07000
WISECO
$224.95WISECO Piston +2.00 mm Yamaha YZ 250/WR | WR 250 Z 605M07000Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications,...605M07000- SKU:
- 605M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- DISPLACEMENT:
- 246,8 CC
- STROKE LENGTH METRIC:
- 68.00 MM
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 70.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 68,00 MM
- UNITS:
- EACH
$224.95 -
WISECO Piston - +1.50 mm -Yamaha YZ/WR 250 Z/YZ 250 WR 605M06950
WISECO
$224.95WISECO Piston +1.50 mm -Yamaha YZ/WR 250 Z/YZ 250 WR 605M06950Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications,...605M06950- SKU:
- 605M06950
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- +1,50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH:
- 68,00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 69.50 MM
- DISPLACEMENT:
- 246,8 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 68.00 MM
$224.95 -
WISECO Piston - +1.00 mm - Yamaha YZ/WR 250 Z/YZ 250 WR 605M06900
WISECO
$199.95WISECO Piston +1.00 mm Yamaha YZ/WR 250 Z/YZ 250 WR 605M06900Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications,...605M06900- SKU:
- 605M06900
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- DISPLACEMENT:
- 246,8 CC
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 69.00 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH:
- 68,00 MM
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
WISECO Piston - +.50 mm - Yamaha YZ/WR 250 Z/YZ 250 WR 605M06850
WISECO
$199.95WISECO Piston +.50 mm Yamaha YZ/WR 250 Z/YZ 250 WR 605M06850Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications,...605M06850- SKU:
- 605M06850
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 68.50 MM
- STROKE LENGTH:
- 68,00 MM
- DISPLACEMENT:
- 246,8 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
WISECO Piston - +1.00 mm - Kawasaki KX 125 603M05700
WISECO
$157.28WISECO Piston +1.00 mm Kawasaki KX 125 603M05700Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability,...603M05700- SKU:
- 603M05700
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
$157.28Qty in Cart: 0Quantity:Price:$157.28Subtotal: -
WISECO Piston - Standard - Kawasaki KX 125 603M05600
WISECO
$157.28WISECO Piston Standard Kawasaki KX 125 603M05600Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability,...603M05600- SKU:
- 603M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$157.28Qty in Cart: 0Quantity:Price:$157.28Subtotal: -
WISECO Piston - +1.00 mm - Honda CR125R 595M05500
WISECO
$154.95WISECO Piston +1.00 mm Honda CR125R 595M05500Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...595M05500- SKU:
- 595M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- DISPLACEMENT:
- 125 CC
- UNITS:
- EACH
- BORE SIZE METRIC:
- 55.00 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH:
- 54,50 MM
$154.95 -
WISECO Piston - Standard - Honda CR125R 595M05400
WISECO
$154.95WISECO Piston Standard Honda CR125R 595M05400Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...595M05400- SKU:
- 595M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 125 CC
- UNITS:
- EACH
- BORE SIZE METRIC:
- 54.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH:
- 54,50 MM
$154.95 -
WISECO Piston - +1.00 mm - Yamaha YZ 125 582M05700
WISECO
$160.95WISECO Piston +1.00 mm Yamaha YZ 125 582M05700Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...582M05700- SKU:
- 582M05700
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$160.95Qty in Cart: 0Quantity:Price:$160.95Subtotal: -
WISECO Piston - Standard - Yamaha YZ 125 582M05600
WISECO
$160.95WISECO Piston Standard Yamaha YZ 125 582M05600Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...582M05600- SKU:
- 582M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 50,00 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 123 CC
- STROKE LENGTH METRIC:
- 50.00 MM
$160.95Qty in Cart: 0Quantity:Price:$160.95Subtotal: -
WISECO Piston - +2.00 mm - Yamaha YZ 80 569M05000
WISECO
$144.95WISECO Piston +2.00 mm Yamaha YZ 80 569M05000Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...569M05000- SKU:
- 569M05000
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE SIZE METRIC:
- 50.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH:
- 45,60 MM
- STROKE LENGTH METRIC:
- 45.60 MM
$144.95 -
WISECO Piston - +1.50 mm - Yamaha YZ 80 569M04950
WISECO
$144.95WISECO Piston +1.50 mm Yamaha YZ 80 569M04950Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...569M04950- SKU:
- 569M04950
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH:
- 45,60 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 49.50 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.50 MM
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH METRIC:
- 45.60 MM
$144.95 -
WISECO Piston - +1.00 mm - Yamaha YZ 80 569M04900
WISECO
$134.95WISECO Piston +1.00 mm Yamaha YZ 80 569M04900Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...569M04900- SKU:
- 569M04900
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 49.00 MM
- STROKE LENGTH:
- 45,60 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH METRIC:
- 45.60 MM
$134.95 -
WISECO Piston - Standard - Yamaha YZ 250 560M06800
WISECO
$199.95WISECO Piston Standard Yamaha YZ 250 560M06800Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...560M06800- SKU:
- 560M06800
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 246,8 CC
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 68,00 MM
- STROKE LENGTH METRIC:
- 68.00 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 68.00 MM
- RIDING STYLE:
- OFF-ROAD
$199.95 -
WISECO Piston - +1.50 mm - Yamaha YZ 125 559M05750
WISECO
$181.95WISECO Piston +1.50 mm Yamaha YZ 125 559M05750Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...559M05750- SKU:
- 559M05750
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 57.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- DISPLACEMENT:
- 123 CC
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 50,00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- STROKE LENGTH METRIC:
- 50.00 MM
$181.95 -
WISECO Piston - +1.00 mm - Yamaha YZ 125 559M05700
WISECO
$164.95WISECO Piston +1.00 mm Yamaha YZ 125 559M05700Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...559M05700- SKU:
- 559M05700
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 50,00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 57.00 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 50.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123 CC
$164.95 -
WISECO Piston - +.50 mm - Yamaha YZ 125 559M05650
WISECO
$164.95WISECO Piston +.50 mm Yamaha YZ 125 559M05650Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...559M05650- SKU:
- 559M05650
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 50,00 MM
- BORE SIZE METRIC:
- 56.50 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 50.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 123 CC
$164.95Qty in Cart: 0Quantity:Price:$164.95Subtotal:
