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 - Standard - Yamaha YZ 80 646M04700
WISECO
$134.95WISECO Piston Standard Yamaha YZ 80 646M04700Forged 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...646M04700- SKU:
- 646M04700
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 47,80 MM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH METRIC:
- 47.80 MM
$134.95 -
WISECO Piston - Standard - Suzuki RM 80 645M04750
WISECO
$133.09WISECO Piston Standard Suzuki RM 80 645M04750Forged 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...645M04750- SKU:
- 645M04750
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$133.09Qty in Cart: 0Quantity:Price:$133.09Subtotal: -
WISECO Piston - +2.00 mm - Kawasaki KX 80/KX 80 Big Wheel 644M05000
WISECO
$145.18WISECO Piston +2.00 mm Kawasaki KX 80/KX 80 Big Wheel 644M05000Forged 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,...644M05000- SKU:
- 644M05000
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- STROKE LENGTH:
- 45,80 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 50.00 MM
- DISPLACEMENT:
- 82 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 45.80 MM
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
$145.18Qty in Cart: 0Quantity:Price:$145.18Subtotal: -
WISECO Piston - +1.00 mm - Kawasaki KX 80/KX 80 Big Wheel 644M04900
WISECO
$134.95WISECO Piston +1.00 mm Kawasaki KX 80/KX 80 Big Wheel 644M04900Forged 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,...644M04900- SKU:
- 644M04900
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE METRIC:
- 49.00 MM
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH:
- 45,80 MM
- BORE - OVERSIZE:
- +1,00 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 45.80 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
WISECO Piston - +.50 mm - Kawasaki KX 80/KX 80 Big Wheel 644M04850
WISECO
$134.95WISECO Piston +.50 mm Kawasaki KX 80/KX 80 Big Wheel 644M04850Forged 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,...644M04850- SKU:
- 644M04850
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH:
- 45,80 MM
- STROKE LENGTH METRIC:
- 45.80 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 48.50 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$134.95 -
WISECO Piston - Standard - Kawasaki KX 80/KX 80 Big Wheel 644M04800
WISECO
$134.95WISECO Piston Standard Kawasaki KX 80/KX 80 Big Wheel 644M04800Forged 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,...644M04800- SKU:
- 644M04800
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- DISPLACEMENT:
- 82 CC
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH:
- 45,80 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 48.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 45.80 MM
$134.95 -
WISECO Piston 633M07075
WISECO
$159.95WISECO Piston 633M07075Most 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 types...633M07075- SKU:
- 633M07075
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- WATERCRAFT
- BORE SIZE METRIC:
- 70.75 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 766 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$159.95 -
WISECO Piston 633M07025
WISECO
$161.94WISECO Piston 633M07025Most 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 types...633M07025- SKU:
- 633M07025
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$161.94Qty in Cart: 0Quantity:Price:$161.94Subtotal: -
WISECO Piston 633M06975
WISECO
$161.94WISECO Piston 633M06975Most 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 types...633M06975- SKU:
- 633M06975
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$161.94Qty in Cart: 0Quantity:Price:$161.94Subtotal: -
WISECO Piston - Standard 631M07200
WISECO
$244.95WISECO Piston Standard 631M07200Forged 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 and increased...631M07200- SKU:
- 631M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 73.00 MM
- STROKE LENGTH:
- 73,00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 72.00 MM
- DISPLACEMENT:
- 297 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$244.95Qty in Cart: 0Quantity:Price:$244.95Subtotal: -
WISECO Piston - +1.00 mm - Yamaha YZ 125 629M05700
WISECO
$154.95WISECO Piston +1.00 mm Yamaha YZ 125 629M05700Forged 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...629M05700- SKU:
- 629M05700
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 57.00 MM
- DISPLACEMENT:
- 124 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 50,70 MM
- STROKE LENGTH METRIC:
- 50.70 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
WISECO Piston - Standard - Yamaha YZ 125 629M05600
WISECO
$154.95WISECO Piston Standard Yamaha YZ 125 629M05600Forged 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...629M05600- SKU:
- 629M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- PISTON
- 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:
- 50,70 MM
- STROKE LENGTH METRIC:
- 50.70 MM
$154.95 -
WISECO Piston - +1.00 mm - Kawasaki KX 125 626M05500
WISECO
$157.95WISECO Piston +1.00 mm Kawasaki KX 125 626M05500Forged 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,...626M05500- SKU:
- 626M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 124 CC
- STROKE LENGTH:
- 54,50 MM
$157.95Qty in Cart: 0Quantity:Price:$157.95Subtotal: -
WISECO Piston - Standard - Kawasaki KX 125 626M05400
WISECO
$157.95WISECO Piston Standard Kawasaki KX 125 626M05400Forged 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,...626M05400- SKU:
- 626M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 54,50 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 124 CC
- RIDING STYLE:
- OFF-ROAD
$157.95 -
WISECO Piston - +1.00 mm - Kawasaki KX 250 617M06750
WISECO
$199.95WISECO Piston +1.00 mm Kawasaki KX 250 617M06750Forged 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,...617M06750- SKU:
- 617M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- +1,10 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.10 MM
- BORE SIZE METRIC:
- 67.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
$199.95 -
WISECO Piston - +1.00 mm - Kawasaki KX 250 617M06700
WISECO
$199.95WISECO Piston +1.00 mm Kawasaki KX 250 617M06700Forged 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,...617M06700- SKU:
- 617M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- BORE - OVERSIZE METRIC:
- +0.60 MM
- BORE SIZE METRIC:
- 67.00 MM
- DISPLACEMENT:
- 249 CC
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,60 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
$199.95 -
WISECO Piston - +1.00 mm - Kawasaki KX 125 616M05500
WISECO
$154.95WISECO Piston +1.00 mm Kawasaki KX 125 616M05500Forged 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,...616M05500- SKU:
- 616M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 124 CC
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- STROKE LENGTH:
- 54,50 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$154.95 -
WISECO Piston - Standard - Kawasaki KX 125 616M05400
WISECO
$157.28WISECO Piston Standard Kawasaki KX 125 616M05400Forged 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,...616M05400- SKU:
- 616M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$157.28Qty in Cart: 0Quantity:Price:$157.28Subtotal: -
WISECO Piston - +2.00 mm - Honda CR250R 614M06850
WISECO
$224.95WISECO Piston +2.00 mm Honda CR250R 614M06850Forged 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...614M06850- SKU:
- 614M06850
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- +2,10 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 68.25 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 249 CC
- STROKE LENGTH:
- 72,00 MM
- BORE - OVERSIZE METRIC:
- +2.10 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
WISECO Piston - +1.50 mm - Honda CR250R 614M06800
WISECO
$224.95WISECO Piston +1.50 mm Honda CR250R 614M06800Forged 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...614M06800- SKU:
- 614M06800
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE METRIC:
- +1.60 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- DISPLACEMENT:
- 249 CC
- STROKE LENGTH:
- 72,00 MM
- BORE SIZE METRIC:
- 68.00 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE:
- +1,60 MM
$224.95
