Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.
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- Price
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Wiseco Piston Kit for Yamaha YZ 250 2002-2025 804M06640
WISECO
$154.95Wiseco High-Performance Piston for Yamaha YZ 250/X 804M06640 Elevate your racing experience with the Wiseco High-Performance Piston, engineered from a premium high-silicon aluminum alloy for unmatched strength and reliability. Designed for both trail and...804M06640- SKU:
- 804M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
$154.95 -
Wiseco Piston Kit 41.50mm KTM 50SX LC 2001-2008 803M04150
WISECO
$109.95WISECO Piston +2.00 mm 803M04150 Experience unparalleled performance with the Wiseco Piston, meticulously crafted from high-silicon aluminum for exceptional strength and reliability. Designed for both trail and racing applications, this piston guarantees...803M04150- SKU:
- 803M04150
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- DISPLACEMENT:
- 49 CC
- STROKE LENGTH:
- 40,00 MM
- BORE SIZE METRIC:
- 41.50 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 40.00 MM
- UNITS:
- EACH
$109.95 -
Wiseco 39.50mm Piston Kit for KTM 50 SX 2001-2008 803M03950
WISECO
$104.95WISECO Piston Standard 803M03950 Experience unparalleled performance with the Wiseco Piston Standard 803M03950, crafted from a high-silicon aluminum alloy that guarantees exceptional strength and reliability. Designed for both trail and racing...803M03950- SKU:
- 803M03950
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 40,00 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 39.50 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 40.00 MM
- DISPLACEMENT:
- 49 CC
$104.95 -
Wiseco Piston Standard Honda CR250R 1986-1996 801M06640
WISECO
$184.95Wiseco High-Performance Piston for Honda CR250R 801M06640 Elevate your racing experience with the Wiseco High-Performance Piston, engineered for unmatched strength and reliability. Crafted from high-silicon aluminum alloy, this piston enhances durability...801M06640- SKU:
- 801M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
$184.95 -
Wiseco Piston Standard Kawasaki KX 250 1992-2001 799M06640
WISECO
$184.95Wiseco High-Performance Piston for Kawasaki KX 250/250F Unlock the full potential of your Kawasaki KX 250/250F with the Wiseco High-Performance Piston. Crafted from advanced high-silicon aluminum alloy, this piston ensures exceptional strength and...799M06640- SKU:
- 799M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE METRIC:
- 66.40 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
- DISPLACEMENT:
- 249,3 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
$184.95 -
Wiseco 125cc 54mm Piston Kit for KTM 125 SX 2001-2024 786M05400
WISECO
$144.95WISECO Piston Standard 786M05400 Experience unparalleled performance with the Wiseco 786M05400 piston, engineered from high-silicon aluminum alloy for superior strength and reliability. Designed for both competitive racing and trail applications, this...786M05400- SKU:
- 786M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.50 MM
- STROKE LENGTH:
- 54,50 MM
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$144.95 -
Wiseco Piston Kit 56mm Bore Kawasaki KX125 1995-2008 783M05600
WISECO
$174.95High-Performance Wiseco Piston for Kawasaki KX 125 Elevate your racing experience with the Wiseco piston designed specifically for the Kawasaki KX 125. Crafted from advanced high-silicon aluminum alloy, this piston ensures exceptional strength and...783M05600- SKU:
- 783M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 56.00 MM
- DISPLACEMENT:
- 129 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- STROKE LENGTH:
- 54,50 MM
$174.95 -
WISECO Piston - Standard - Kawasaki KX 125 783M05400
WISECO
$144.95WISECO Piston Standard Kawasaki KX 125 783M05400Forged 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,...783M05400- SKU:
- 783M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 54.00 MM
- STROKE LENGTH:
- 54,50 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$144.95 -
Wiseco Piston Kit +2.00 mm Kawasaki KX 85 2001-2009 782M05050
WISECO
$134.95High-Performance Wiseco Piston for Kawasaki KX 85 Elevate your racing experience with the Wiseco Piston, expertly crafted for the Kawasaki KX 85. Designed for both durability and performance, this piston delivers enhanced horsepower and torque, making it...782M05050- SKU:
- 782M05050
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 45.80 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 50.50 MM
- DISPLACEMENT:
- 84,9 CC
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH:
- 45,80 MM
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
$134.95 -
Wiseco Piston Kit Kawasaki KX 85 2001-2013 782M04850
WISECO
$119.95Wiseco High-Performance Piston for Kawasaki KX 85 Elevate your racing experience with the Wiseco piston, engineered from high-silicon aluminum alloy for unmatched strength and reliability. Designed for both trail and competitive racing, this piston...782M04850- SKU:
- 782M04850
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 84,9 CC
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 48.50 MM
- STROKE LENGTH:
- 45,80 MM
- STROKE LENGTH METRIC:
- 45.80 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
$119.95 -
Wiseco Piston Standard 66.40mm 2000 Husqvarna WR 250 761M06640
WISECO
$184.95WISECO High-Performance Piston for Husqvarna WR 250/CR 250 761M06640 Experience unparalleled power and durability with the WISECO piston, expertly crafted from high-silicon aluminum alloy. Designed for both competitive racing and trail riding, this...761M06640- SKU:
- 761M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE METRIC:
- 66.40 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
$184.95 -
Wiseco Piston Kit Yamaha WaveRunner GP1200 1997-1999 757M08500
WISECO
$159.95WISECO Piston 757M08500 The WISECO Piston 757M08500 is engineered for optimal performance in 2-cycle engines, utilizing high-silicone forged construction to ensure superior strength and reduced thermal expansion. This piston comes complete with rings,...757M08500- SKU:
- 757M08500
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE SIZE METRIC:
- 85.00 MM
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- DISPLACEMENT:
- 1156 CC
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 771 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- WATERCRAFT
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
Wiseco Piston Kit 68.50mm for Suzuki RM 250 2000-2002 756M06850
WISECO
$224.95WISECO +2.10 mm Piston for Suzuki RM 250 (Model 756M06850) Elevate your performance with the WISECO +2.10 mm piston, engineered from a high-silicon aluminum alloy for unmatched strength and reliability. Designed for both trail and racing enthusiasts,...756M06850- SKU:
- 756M06850
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- DISPLACEMENT:
- 249 CC
- BORE - OVERSIZE METRIC:
- +2.10 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,10 MM
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
$224.95 -
Wiseco Piston Kit 66.4mm Standard Bore for 2000-2002 Suzuki RM250 756M06640
WISECO
$184.95WISECO Piston 756M06640 Engineered for performance, the WISECO Piston 756M06640 is crafted from a high-silicon alloy, ensuring exceptional strength and reliability. This piston is designed to withstand the rigors of high-performance applications, making...756M06640- SKU:
- 756M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 66.40 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$184.95 -
Wiseco Piston Kit 2.00 mm Oversize for Kawasaki KX 125 1995-2008 755M05600
WISECO
$179.95High-Performance WISECO Piston for Kawasaki KX 125/Suzuki RM 125 Elevate your racing experience with the WISECO +2.00 mm piston, meticulously crafted from a high-silicon aluminum alloy. Designed for both trail and competitive environments, this piston...755M05600- SKU:
- 755M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- DISPLACEMENT:
- 134 CC
- STROKE LENGTH:
- 54,50 MM
$179.95 -
Wiseco Piston Kit Standard 54mm for Suzuki RM125 2000-2003 755M05400
WISECO
$154.95High-Performance Wiseco Piston for Suzuki RM 125 Enhance your Suzuki RM 125's performance with the Wiseco Piston, engineered from high-silicon aluminum for exceptional strength and reliability. Designed for both trail and racing applications, this piston...755M05400- SKU:
- 755M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 54.00 MM
- STROKE LENGTH:
- 54,50 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- PISTON
$154.95 -
Wiseco Piston +2.00 mm Suzuki RM 125 1990-2003 754M05600
WISECO
$174.95WISECO +2.00 mm Piston for Suzuki RM 125 (Model: 754M05600) Elevate your racing performance with the Wiseco +2.00 mm piston, expertly crafted from high-silicon aluminum alloy to ensure unmatched strength and reliability. Designed for serious racers and...754M05600- SKU:
- 754M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DISPLACEMENT:
- 124,8 CC
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 56.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- EACH
- STROKE LENGTH:
- 54,50 MM
$174.95 -
Wiseco Piston Kit for Suzuki RM 125 2000-2003 55.50 mm 754M05550
WISECO
$174.95WISECO +1.50 mm Piston for Suzuki RM 125 (Model 754M05550) Experience unparalleled performance and durability with the WISECO +1.50 mm piston, engineered specifically for the Suzuki RM 125. Crafted from a high-silicon aluminum alloy, this piston ensures...754M05550- SKU:
- 754M05550
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 55.50 MM
- DISPLACEMENT:
- 124,8 CC
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE METRIC:
- +1.50 MM
- STROKE LENGTH:
- 54,50 MM
- BORE - OVERSIZE:
- +1,50 MM
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 54.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$174.95 -
Wiseco Piston Kit 55mm Oversize for Suzuki RM125 2000-2003 754M05500
WISECO
$144.95WISECO +1.00 mm Piston for Suzuki RM 125 (754M05500) Upgrade your performance with the WISECO +1.00 mm piston, expertly crafted from high-silicon aluminum alloy for unmatched strength and reliability. Designed for both trail and racing enthusiasts, this...754M05500- SKU:
- 754M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 124,8 CC
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- STROKE LENGTH:
- 54,50 MM
- BORE SIZE METRIC:
- 55.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco Piston 54.50 mm Oversize for Suzuki RM 125 2000-2003 754M05450
WISECO
$144.95High-Performance Wiseco Piston +0.50 mm for Suzuki RM 125 Upgrade your Suzuki RM 125 with the Wiseco +0.50 mm piston, engineered for exceptional strength and reliability. Crafted from a high-silicon aluminum alloy, this piston enhances durability and...754M05450- SKU:
- 754M05450
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- EACH
- STROKE LENGTH:
- 54,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 54.50 MM
- DISPLACEMENT:
- 124,8 CC
- BORE - OVERSIZE:
- +0,50 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$144.95
