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 Kit with Gaskets PK1296
WISECO
$179.95WISECO Piston Kit with Gaskets PK1296Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030261- SKU:
- 9030261
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- DISPLACEMENT:
- 82 CC
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.80 MM
- PISTON DIAMETER METRIC:
- 47.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 48.00 MM
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$179.95 -
WISECO Piston Kit with Gaskets PK1139
WISECO
$211.29WISECO Piston Kit with Gaskets PK1139Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030263- SKU:
- 9030263
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +1.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.00 MM
- TYPE:
- TOP END
- DISPLACEMENT:
- 123 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 54.96 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$211.29Qty in Cart: 0Quantity:Price:$211.29Subtotal: -
WISECO Piston Kit with Gaskets PK1219
WISECO
$229.95WISECO Piston Kit with Gaskets PK1219Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030265- SKU:
- 9030265
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PISTON DIAMETER METRIC:
- 72.95 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 59.50 MM
- BORE SIZE METRIC:
- 73.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$229.95 -
WISECO Piston Kit with Gaskets PK1175
WISECO
$209.68WISECO Piston Kit with Gaskets PK1175Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030266- SKU:
- 9030266
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$209.68Qty in Cart: 0Quantity:Price:$209.68Subtotal: -
WISECO Piston - Standard - Honda ATC 250 R/TRX250R/CR250R 526M06600
WISECO
$204.95WISECO Piston Standard Honda ATC 250 R/TRX250R/CR250R 526M06600Forged 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,...526M06600- SKU:
- 526M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 66.00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
$204.95 -
WISECO Piston - +0.25 mm - Honda ATC 250 R/TRX250R/CR250R 526M06625
WISECO
$204.95WISECO Piston +0.25 mm Honda ATC 250 R/TRX250R/CR250R 526M06625Forged 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,...526M06625- SKU:
- 526M06625
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- +0,25 MM
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 66.25 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- +0.25 MM
- DISPLACEMENT:
- 248 CC
- STROKE LENGTH METRIC:
- 72.00 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
$204.95Qty in Cart: 0Quantity:Price:$204.95Subtotal: -
WISECO Piston - +0.50 mm - Honda ATC 250 R/TRX250R/CR250R 526M06650
WISECO
$204.95WISECO Piston +0.50 mm Honda ATC 250 R/TRX250R/CR250R 526M06650Forged 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,...526M06650- SKU:
- 526M06650
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- STROKE LENGTH:
- 72,00 MM
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 66.50 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
$204.95Qty in Cart: 0Quantity:Price:$204.95Subtotal: -
WISECO Piston - +0.75 mm - Honda ATC 250 R/TRX250R/CR250R 526M06675
WISECO
$204.95WISECO Piston +0.75 mm Honda ATC 250 R/TRX250R/CR250R 526M06675Forged 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,...526M06675- SKU:
- 526M06675
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- STROKE LENGTH:
- 72,00 MM
- BORE - OVERSIZE METRIC:
- +0.75 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +0,75 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 66.75 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 72.00 MM
$204.95 -
WISECO Piston - +1.00 mm - Honda ATC 250 R/TRX250R/CR250R 526M06700
WISECO
$204.95WISECO Piston +1.00 mm Honda ATC 250 R/TRX250R/CR250R 526M06700Forged 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,...526M06700- SKU:
- 526M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$204.95 -
WISECO Piston - +1.25 mm - Honda ATC 250 R/TRX250R/CR250R 526M06725
WISECO
$229.95WISECO Piston +1.25 mm Honda ATC 250 R/TRX250R/CR250R 526M06725Forged 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,...526M06725- SKU:
- 526M06725
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,25 MM
- BORE SIZE METRIC:
- 67.25 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- +1.25 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
WISECO Piston - +1.50 mm - Honda ATC 250 R/TRX250R/CR250R 526M06750
WISECO
$229.95WISECO Piston +1.50 mm Honda ATC 250 R/TRX250R/CR250R 526M06750Forged 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,...526M06750- SKU:
- 526M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 67.50 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
WISECO Piston - +2.00 mm - Honda ATC 250 R/TRX250R/CR250R 526M06800
WISECO
$229.95WISECO Piston +2.00 mm Honda ATC 250 R/TRX250R/CR250R 526M06800Forged 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,...526M06800- SKU:
- 526M06800
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 68.00 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
$229.95 -
WISECO Piston - +2.00 mm - Yamaha IT 250/YTZ 250 Tri-Z 515M07000
WISECO
$229.22WISECO Piston +2.00 mm Yamaha IT 250/YTZ 250 Tri-Z 515M07000Forged 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,...515M07000- SKU:
- 515M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$229.22Qty in Cart: 0Quantity:Price:$229.22Subtotal: -
WISECO Piston - +1.00 mm - Suzuki PE 125 490M06300
WISECO
$154.95WISECO Piston +1.00 mm Suzuki PE 125 490M06300Forged 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...490M06300- SKU:
- 490M06300
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- STROKE LENGTH:
- 57,00 MM
- BORE SIZE METRIC:
- 63.00 MM
- DISPLACEMENT:
- 172 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 57.00 MM
$154.95 -
WISECO Piston 485M07000
WISECO
$199.95WISECO Piston 485M07000Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips485M07000- SKU:
- 485M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 64.00 MM
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 69.92 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
WISECO Piston 485M07050
WISECO
$199.95WISECO Piston 485M07050Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips485M07050- SKU:
- 485M07050
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 70.50 MM
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 70.42 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 64.00 MM
- UNITS:
- KIT
$199.95 -
WISECO Piston 485M07100
WISECO
$198.42WISECO Piston 485M07100Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips485M07100- SKU:
- 485M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 71.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- PISTON DIAMETER METRIC:
- 70.92 MM
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 64.00 MM
$198.42Qty in Cart: 0Quantity:Price:$198.42Subtotal: -
WISECO Piston 485M07200
WISECO
$224.95WISECO Piston 485M07200Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips485M07200- SKU:
- 485M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 246 CC
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FORGED SERIES
- BORE SIZE METRIC:
- 71.50 MM
- PISTON DIAMETER METRIC:
- 71.92 MM
- STROKE LENGTH METRIC:
- 64.00 MM
$224.95 -
WISECO Piston 486M05600
WISECO
$157.95WISECO Piston 486M05600Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips486M05600- SKU:
- 486M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- STROKE LENGTH METRIC:
- 50.60 MM
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 56.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 55.95 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
$157.95 -
WISECO Piston - +1.00 mm - Suzuki RM 80 497M05000
WISECO
$134.95WISECO Piston +1.00 mm Suzuki RM 80 497M05000Forged 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...497M05000- SKU:
- 497M05000
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 82,87 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH:
- 44,00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- STROKE LENGTH METRIC:
- 44.00 MM
- BORE SIZE METRIC:
- 50.00 MM
$134.95
