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!
- Dirt Bike Cams and Parts
- Dirt Bike Connecting Rods and Parts
- Dirt Bike Crankcases and Parts
- Dirt Bike Crankshafts and Parts
- Dirt Bike Cylinder Heads and Parts
- Dirt Bike Cylinders and Parts
- Dirt Bike Engine Bearings
- Dirt Bike Engine Covers
- Dirt Bike Engine Gaskets and Kits
- Dirt Bike Engine Rebuild Kits
- Dirt Bike Engine Seals - Orings and Kits
- Dirt Bike Engine Valves and Parts
- Dirt Bike Flywheel and Rod Assemblies
- Dirt Bike Fuel Filters
- Dirt Bike Miscellaneous Engine Parts
- Dirt Bike Oil Coolers
- Dirt Bike Oil Filters
- Dirt Bike Oil Lines
- Dirt Bike Oil Pumps
- Dirt Bike Piston and Ring Kits
- Dirt Bike Piston Rings Only
- Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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WISECO Piston Kit - YZ80 646M04900
WISECO
$144.95WISECO Piston Kit YZ80 646M04900Pistons come without gasket kit9102868- SKU:
- 9102868
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 49.00 MM
- DISPLACEMENT:
- 90 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
$144.95 -
WISECO Piston Kit - KX125 652M05500
WISECO
$157.28WISECO Piston Kit KX125 652M05500Pistons come without gasket kit9102869- SKU:
- 9102869
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- DISPLACEMENT:
- 129 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 55.00 MM
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
$157.28Qty in Cart: 0Quantity:Price:$157.28Subtotal: -
WISECO Piston Kit - KX125 652M05600
WISECO
$179.95WISECO Piston Kit KX125 652M05600Pistons come without gasket kit9102870- SKU:
- 9102870
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- DISPLACEMENT:
- 134 CC
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
WISECO Piston - Honda - 1.50mm 339M05750
WISECO
$206.95WISECO Piston Honda 1.50mm 339M05750Forged 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...339M05750- SKU:
- 339M05750
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$206.95Qty in Cart: 0Quantity:Price:$206.95Subtotal: -
WISECO Piston - Suzuki - 1.0mm 449M05700
WISECO
$154.95WISECO Piston Suzuki 1.0mm 449M05700Forged 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...449M05700- SKU:
- 449M05700
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STROKE LENGTH METRIC:
- 50.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 57.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 56.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
WISECO Piston - Honda - 1.0mm 448M05650
WISECO
$154.95WISECO Piston Honda 1.0mm 448M05650Forged 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...448M05650- SKU:
- 448M05650
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 56.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 56.44 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- DISPLACEMENT:
- 120 CC
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 50.00 MM
- UNITS:
- KIT
$154.95 -
WISECO Piston - Honda - 2.0mm 448M05750
WISECO
$179.95WISECO Piston Honda 2.0mm 448M05750Forged 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...448M05750- SKU:
- 448M05750
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 57.44 MM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 123 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 120 CC
- BORE SIZE METRIC:
- 57.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
WISECO Piston - Honda - Standard 4466M07300
WISECO
$194.95WISECO Piston Honda Standard 4466M07300Forged 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...4466M07300- SKU:
- 4466M07300
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 73.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 72.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 59.50 MM
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
$194.95 -
WISECO Piston - Honda - .50mm 4466M07350
WISECO
$194.95WISECO Piston Honda .50mm 4466M07350Forged 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...4466M07350- SKU:
- 4466M07350
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PISTON DIAMETER METRIC:
- 73.45 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 73.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 59.50 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
$194.95 -
WISECO Piston - Honda - 1mm 4466M07400
WISECO
$194.95WISECO Piston Honda 1mm 4466M07400Forged 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...4466M07400- SKU:
- 4466M07400
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 74.00 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 73.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 59.50 MM
$194.95 -
WISECO Piston - Kawasaki - Standard 446M04800
WISECO
$133.09WISECO Piston Kawasaki Standard 446M04800Forged 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...446M04800- SKU:
- 446M04800
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$133.09Qty in Cart: 0Quantity:Price:$133.09Subtotal: -
WISECO Piston 4689M07300
WISECO
$187.34WISECO Piston 4689M07300Forged 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 circlips4689M07300- SKU:
- 4689M07300
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$187.34Qty in Cart: 0Quantity:Price:$187.34Subtotal: -
WISECO Piston 4689M07350
WISECO
$194.95WISECO Piston 4689M07350Forged 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 circlips4689M07350- SKU:
- 4689M07350
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 73.50 MM
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 73.45 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- ENGINE TYPE:
- 4-STROKE
- STROKE LENGTH METRIC:
- 59.60 MM
- BORE - OVERSIZE:
- +0,50 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$194.95 -
WISECO Piston Kit - Racer Elite - YZ450F RE809M09700
WISECO
$379.95WISECO Piston Kit Racer Elite YZ450F RE809M09700R&D developed to provide dyno-proven power gains, Asymmetric skirt design for improved wear and even loading on major thrust skirt, Precision fit ring; custom-lapped compression ring for improved power,...9105065- SKU:
- 9105065
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 97.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$379.95 -
WISECO Piston 4693M09500
WISECO
$239.95WISECO Piston 4693M09500Forged 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 circlips4693M09500- SKU:
- 4693M09500
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 426 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 94.92 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 95.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 60.10 MM
$239.95 -
WISECO Piston 469M06600
WISECO
$154.95WISECO Piston 469M06600Forged 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 circlips469M06600- SKU:
- 469M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- DISPLACEMENT:
- 173 CC
- PISTON DIAMETER METRIC:
- 65.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- STROKE LENGTH METRIC:
- 50.60 MM
- BORE SIZE METRIC:
- 66.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
WISECO Piston 469M06700
WISECO
$154.95WISECO Piston 469M06700Forged 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 circlips469M06700- SKU:
- 469M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 173 CC
- PISTON DIAMETER METRIC:
- 66.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 50.60 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$154.95 -
WISECO Piston Kit - Racer Elite - YZ450F RE815M09700
WISECO
$379.95WISECO Piston Kit Racer Elite YZ450F RE815M09700R&D developed to provide dyno-proven power gains, Asymmetric skirt design for improved wear and even loading on major thrust skirt, Precision fit ring; custom-lapped compression ring for improved power,...9105068- SKU:
- 9105068
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 97 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
$379.95 -
WISECO Piston - Yamaha - 1.50mm 451M08650
WISECO
$244.95WISECO Piston Yamaha 1.50mm 451M08650Forged 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...451M08650- SKU:
- 451M08650
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- DISPLACEMENT:
- 465 CC
- BORE - OVERSIZE:
- +1,50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.50 MM
- MODEL:
- FORGED SERIES
- BORE SIZE METRIC:
- 86.50 MM
- PISTON DIAMETER METRIC:
- 86.42 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 82.00 MM
- UNITS:
- KIT
$244.95 -
WISECO Piston Kit - Racer Elite - KX250F RE801M07700
WISECO
$371.41WISECO Piston Kit Racer Elite KX250F RE801M07700R&D developed to provide dyno-proven power gains, Asymmetric skirt design for improved wear and even loading on major thrust skirt, Precision fit ring; custom-lapped compression ring for improved power,...9105070- SKU:
- 9105070
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- BORE SIZE METRIC:
- 77.00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
$371.41