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 - +2.00 mm - Suzuki RM 80 542M04950
WISECO
$144.95WISECO Piston +2.00 mm Suzuki RM 80 542M04950Forged 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...542M04950- SKU:
- 542M04950
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- +2,00 MM
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 46.80 MM
- BORE SIZE METRIC:
- 49.50 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 46,80 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- DISPLACEMENT:
- 82 CC
$144.95 -
WISECO Piston - +1.00 mm - Yamaha YZ 250 560M06900
WISECO
$199.95WISECO Piston +1.00 mm Yamaha YZ 250 560M06900Forged 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...560M06900- SKU:
- 560M06900
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 69.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- +1,00 MM
- STROKE LENGTH METRIC:
- 68.00 MM
- DISPLACEMENT:
- 246,8 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 68,00 MM
- UNITS:
- EACH
$199.95 -
WISECO Piston - +1.50 mm - Yamaha YZ 250 560M06950
WISECO
$224.95WISECO Piston +1.50 mm Yamaha YZ 250 560M06950Forged 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...560M06950- SKU:
- 560M06950
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE METRIC:
- +1.50 MM
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE SIZE METRIC:
- 69.50 MM
- DISPLACEMENT:
- 246,8 CC
- BORE - OVERSIZE:
- +1,50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 68,00 MM
- UNITS:
- EACH
$224.95 -
WISECO Piston - +2.00 mm - Yamaha YZ 250 560M07000
WISECO
$222.61WISECO Piston +2.00 mm Yamaha YZ 250 560M07000Forged 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...560M07000- SKU:
- 560M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$222.61Qty in Cart: 0Quantity:Price:$222.61Subtotal: -
WISECO Piston - Standard - Honda CR125R 564M05400
WISECO
$154.95WISECO Piston Standard Honda CR125R 564M05400Forged 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...564M05400- SKU:
- 564M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE SIZE METRIC:
- 54.00 MM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 125 CC
- STROKE LENGTH:
- 54,50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 54.50 MM
$154.95 -
WISECO Piston - +1.00 mm - Honda CR125R 564M05500
WISECO
$154.95WISECO Piston +1.00 mm Honda CR125R 564M05500Forged 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...564M05500- SKU:
- 564M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- STROKE LENGTH:
- 54,50 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- PISTON KIT
$154.95 -
WISECO Piston - +1.50 mm - Honda CR125R 564M05550
WISECO
$181.47WISECO Piston +1.50 mm Honda CR125R 564M05550Forged 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...564M05550- SKU:
- 564M05550
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$181.47Qty in Cart: 0Quantity:Price:$181.47Subtotal: -
WISECO Piston - Standard - Kawasaki KX 125 566M05600
WISECO
$157.95WISECO Piston Standard Kawasaki KX 125 566M05600Forged 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,...566M05600- SKU:
- 566M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 50.60 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 56.00 MM
- DISPLACEMENT:
- 124 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 50,6 MM
$157.95Qty in Cart: 0Quantity:Price:$157.95Subtotal: -
WISECO Piston - +1.00 mm - Kawasaki KX 125 566M05700
WISECO
$157.95WISECO Piston +1.00 mm Kawasaki KX 125 566M05700Forged 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,...566M05700- SKU:
- 566M05700
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 50.60 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 57.00 MM
- DISPLACEMENT:
- 124 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 50,6 MM
$157.95 -
WISECO Piston - +1.00 mm - Suzuki RM 125 568M05500
WISECO
$154.95WISECO Piston +1.00 mm Suzuki RM 125 568M05500Forged 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...568M05500- SKU:
- 568M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STROKE LENGTH METRIC:
- 54.00 MM
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 55.00 MM
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$154.95 -
WISECO Piston - +1.00 mm - Kawasaki KX 80/KDX 80 514M04900
WISECO
$133.09WISECO Piston +1.00 mm Kawasaki KX 80/KDX 80 514M04900Forged 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,...514M04900- SKU:
- 514M04900
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$133.09Qty in Cart: 0Quantity:Price:$133.09Subtotal: -
WISECO Piston - Standard - Suzuki RM 125 511M05400
WISECO
$154.95WISECO Piston Standard Suzuki RM 125 511M05400Forged 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...511M05400- SKU:
- 511M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- +1,50 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 123 CC
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
WISECO Piston - +1.00 mm - Suzuki RM 125 511M05500
WISECO
$154.95WISECO Piston +1.00 mm Suzuki RM 125 511M05500Forged 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...511M05500- SKU:
- 511M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 54,00 MM
- UNITS:
- EACH
$154.95 -
WISECO Piston - +2.00 mm Suzuki RM 125 511M05600
WISECO
$181.47WISECO Piston +2.00 mm Suzuki RM 125 511M05600Forged 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...511M05600- SKU:
- 511M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$181.47Qty in Cart: 0Quantity:Price:$181.47Subtotal: -
WISECO Piston - 75 mm 516M07500
WISECO
$148.24WISECO Piston 75 mm 516M07500Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, All Wiseco High-Performance pistons are priced with rings, wrist pins and circlips, Wiseco ring...516M07500- SKU:
- 516M07500
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$148.24Qty in Cart: 0Quantity:Price:$148.24Subtotal: -
WISECO Piston - 76 mm 516M07600
WISECO
$148.24WISECO Piston 76 mm 516M07600Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, All Wiseco High-Performance pistons are priced with rings, wrist pins and circlips, Wiseco ring...516M07600- SKU:
- 516M07600
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- WATERCRAFT
- BORE SIZE METRIC:
- 76.00 MM
- DISPLACEMENT:
- 544 CC
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 60.00 MM
$148.24Qty in Cart: 0Quantity:Price:$148.24Subtotal: -
WISECO Piston - Standard - Honda CR125R 518M05400
WISECO
$157.28WISECO Piston Standard Honda CR125R 518M05400Forged 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...518M05400- SKU:
- 518M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$157.28Qty in Cart: 0Quantity:Price:$157.28Subtotal: -
WISECO Piston - +.50 mm - Honda CR125R 518M05450
WISECO
$154.95WISECO Piston +.50 mm Honda CR125R 518M05450Forged 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...518M05450- SKU:
- 518M05450
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH:
- 54,00 MM
- BORE SIZE METRIC:
- 54.50 MM
- PISTON MATERIAL:
- ALUMINUM
$154.95 -
WISECO Piston - +1.00 mm - Honda CR125R 518M05500
WISECO
$157.28WISECO Piston +1.00 mm Honda CR125R 518M05500Forged 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...518M05500- SKU:
- 518M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$157.28Qty in Cart: 0Quantity:Price:$157.28Subtotal: -
WISECO Piston - +1.50 mm - Honda CR125R 518M05550
WISECO
$179.95WISECO Piston +1.50 mm Honda CR125R 518M05550Forged 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...518M05550- SKU:
- 518M05550
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,50 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE SIZE METRIC:
- 55.50 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal:
