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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- Qty in Cart
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- Price
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Wiseco Piston Kit 89mm for Sea-Doo GSX Limited 1998-1999 716M08900
WISECO
$174.95Wiseco Piston Kit - 716M08900 Elevate your Sea-Doo watercraft's performance with the Wiseco Piston Kit. Crafted for enthusiasts who demand excellence, this kit combines cutting-edge technology with premium materials to deliver unmatched power and...716M08900- SKU:
- 716M08900
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 89.00 MM
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 971 CC
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM
$174.95 -
Wiseco Piston Kit 56mm Bore Kawasaki KX125 1986 741M05600
WISECO
$179.95Wiseco Piston Kit for Kawasaki KX125 - Performance Upgrade Transform your Kawasaki KX125 into a powerhouse with the Wiseco Piston Kit. Engineered for performance enthusiasts, this kit enhances your bike’s capabilities, ensuring every ride is thrilling...741M05600- SKU:
- 741M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- DISPLACEMENT:
- 124 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 54,50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 56.00 MM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- EACH
$179.95 -
Wiseco Piston Kit 66.40mm Standard Bore Suzuki RM250 1999 743M06640
WISECO
$199.95Upgrade Your Ride with the Wiseco Piston Kit for Suzuki RM 250 Transform your Suzuki RM250 into a powerhouse with the Wiseco Piston Kit, engineered for those who demand exceptional performance and reliability. This high-performance piston kit is designed...743M06640- SKU:
- 743M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 66.40 MM
- RIDING STYLE:
- OFF-ROAD
$199.95 -
Wiseco Piston Kit 45mm Bore KTM 65 SX 1999-2008 746M04500
WISECO
$119.95Wiseco Piston Kit for KTM 65 SX/XC 746M04500 Transform your KTM 65 SX's performance with the Wiseco Piston Kit, engineered for enthusiasts who prioritize power and reliability. Crafted from advanced materials, this piston kit enhances your bike's...746M04500- SKU:
- 746M04500
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- STROKE LENGTH:
- 40,00 MM
- STROKE LENGTH METRIC:
- 40.00 MM
- DISPLACEMENT:
- 63,58 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 45.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$119.95 -
Wiseco Piston Kit 2025 KTM 65 SX 2.00mm Oversize 746M04700
WISECO
$134.95Wiseco Piston Kit +2.00 mm for KTM 65 SX/XC Elevate your KTM 65's performance with the Wiseco Piston Kit, meticulously engineered to provide unmatched power and reliability. Designed for both competitive racing and recreational riding, this piston kit...746M04700- SKU:
- 746M04700
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- DISPLACEMENT:
- 63,58 CC
- STROKE LENGTH:
- 40,00 MM
- STROKE LENGTH METRIC:
- 40.00 MM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 47.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$134.95 -
Wiseco Piston Kit 78mm Bore KTM 380 SX 1998-2002 748M07800
WISECO
$244.95Upgrade Your KTM 380 with the WISECO Piston Kit 748M07800 Elevate your riding experience with the WISECO Piston Kit, specifically engineered for the KTM 380 SX and EXC models. This high-performance piston kit is crafted to unleash your bike's full...748M07800- SKU:
- 748M07800
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 77,00 MM
- BORE SIZE METRIC:
- 78.00 MM
- DISPLACEMENT:
- 368 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 77.00 MM
- UNITS:
- EACH
$244.95 -
Wiseco Piston Kit 79mm Bore 1998-2002 KTM 380 SX 748M07900
WISECO
$244.95Wiseco Piston Kit +1.00 for KTM 380 SX/EXC Elevate your KTM 380SX or 380EXC performance with the Wiseco Piston Kit, meticulously crafted for riders who demand excellence. This piston kit combines advanced engineering with high-quality materials to...748M07900- SKU:
- 748M07900
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 368 CC
- STROKE LENGTH METRIC:
- 77.00 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 77,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 79.00 MM
- PISTON MATERIAL:
- FORGED
$244.95 -
Wiseco Piston Standard Yamaha YZ 125 1998-2001 726M05400
WISECO
$154.95Wiseco Piston Kit for Yamaha YZ125 & Gas Gas EC 125 Elevate your riding experience with the Wiseco Piston Kit, meticulously designed for Yamaha YZ125 and Gas Gas EC 125 models. This premium kit enhances engine performance and reliability, making it ideal...726M05400- SKU:
- 726M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE SIZE METRIC:
- 54.00 MM
- STROKE LENGTH:
- 54,50 MM
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$154.95 -
Wiseco Piston +0.50 mm Yamaha YZ 125 2000-2025 726M05450
WISECO
$154.95Upgrade Your Ride with the Wiseco Piston Kit Elevate your Yamaha YZ125’s performance with the Wiseco Piston Kit, meticulously engineered for riders who seek exceptional power and reliability. This premium kit enhances your bike's efficiency, ensuring you...726M05450- SKU:
- 726M05450
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 124 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 54.50 MM
- STROKE LENGTH:
- 54,50 MM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$154.95 -
Wiseco Piston Kit 54mm for Suzuki RM125 1989-1999 641M05400
WISECO
$154.95Upgrade Your Suzuki RM125 with the Wiseco Piston Kit Transform your Suzuki RM125 into a high-performance machine with the Wiseco Piston Kit. Designed for both trail and competitive riders, this kit ensures enhanced power, efficiency, and durability for...641M05400- SKU:
- 641M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE SIZE METRIC:
- 54.00 MM
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$154.95 -
Wiseco Piston Kit 54.50 mm Suzuki RM125 1989-1999 641M05450
WISECO
$154.95Wiseco Piston Kit +.50 mm for Suzuki RM 125 Elevate your Suzuki RM125's performance with the Wiseco Piston Kit, engineered for riders who demand excellence. This precision-crafted kit not only boosts power but also enhances responsiveness, making it an...641M05450- SKU:
- 641M05450
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE SIZE METRIC:
- 54.50 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 54,00 MM
$154.95 -
Wiseco Piston +1.00 mm Suzuki RM 125 1989-1999 641M05500
WISECO
$154.95Wiseco Piston Kit +1.00 mm for Suzuki RM 125 (641M05500) Elevate your Suzuki RM125 with the advanced Wiseco Piston Kit, engineered for riders seeking peak performance and reliability. This kit is crafted from high-quality materials, ensuring your engine...641M05500- SKU:
- 641M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- DISPLACEMENT:
- 123 CC
- ENGINE TYPE:
- 2-STROKE
$154.95 -
Wiseco Piston Kit 67.00 mm Suzuki RM250 1989-1995 642M06700
WISECO
$199.95Wiseco Piston Kit for Suzuki RM/RMX 250 Elevate your Suzuki RM250 or RMX250 with the Wiseco Piston Kit, designed for riders who demand top-tier performance from their dirt bikes. This premium piston kit enhances engine capabilities, ensuring you achieve...642M06700- SKU:
- 642M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- STROKE LENGTH METRIC:
- 70.80 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 70,8 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 67.00 MM
- DISPLACEMENT:
- 246 CC
- RIDING STYLE:
- OFF-ROAD
$199.95 -
Wiseco Piston Kit 66.4mm for Suzuki RM250 1996-1997 681M06640
WISECO
$199.95Wiseco Piston Kit +.50 mm for Suzuki RM/RMX 250 Elevate your motorcycle's performance with the Wiseco Piston Kit, meticulously crafted for 2-stroke engines. This high-performance piston is designed to enhance power delivery and reliability, making it an...642M06750- SKU:
- 642M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 70,8 MM
- STROKE LENGTH METRIC:
- 70.80 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 67.50 MM
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE METRIC:
- +0.50 MM
$199.95 -
Wiseco Piston Kit 47mm Honda CR80R 1986-2002 643M04700
WISECO
$134.95Wiseco Piston Kit - 643M04700 Elevate your Honda CR80R's performance with the Wiseco Piston Kit, meticulously engineered for riders who demand excellence. This piston kit combines advanced materials with cutting-edge design to deliver unmatched power and...643M04700- SKU:
- 643M04700
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- DISPLACEMENT:
- 82,9 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 47.00 MM
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- ALUMINUM ALLOY
$134.95 -
Wiseco Piston Kit 0.50mm Oversize 1986-2002 Honda CR80R 643M04750
WISECO
$134.95Wiseco Piston Kit for Honda CR80R +.50 mm Elevate your Honda CR80R's performance with the Wiseco Piston Kit, meticulously engineered for riders seeking unmatched power and reliability. This premium kit combines innovative design with advanced materials...643M04750- SKU:
- 643M04750
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- BORE - OVERSIZE:
- +0,50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 47,80 MM
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 47.50 MM
- DISPLACEMENT:
- 82,9 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- PISTON MATERIAL:
- FORGED
$134.95 -
Wiseco Piston Kit 48.00mm for Honda CR80R 1986-2002 643M04800
WISECO
$134.95Wiseco Piston Kit +1.00 mm for Honda CR80R 643M04800 Elevate your dirt bike's performance with the Wiseco Piston Kit, engineered for riders who demand top-tier power and reliability. Crafted from high-quality materials, this piston kit ensures your...643M04800- SKU:
- 643M04800
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 48.00 MM
- DISPLACEMENT:
- 82,9 CC
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH:
- 47,80 MM
$134.95 -
Wiseco Piston Kit 54mm Bore Kawasaki KX125 1994 640M05400
WISECO
$154.95Upgrade Your Kawasaki KX125 with the Wiseco Piston Kit Transform your riding experience with the Wiseco Piston Kit, designed specifically for the Kawasaki KX125. This kit enhances engine performance, providing the power and reliability you need for both...640M05400- SKU:
- 640M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 54.50 MM
- DISPLACEMENT:
- 124 CC
- STROKE LENGTH:
- 54,50 MM
- BORE SIZE METRIC:
- 54.00 MM
- RIDING STYLE:
- OFF-ROAD
$154.95 -
Wiseco Piston Sea-Doo GTX 1994-1995 663M07800
WISECO
$159.95Wiseco Piston Kit - 663M07800 Elevate your Sea-Doo watercraft's performance with the Wiseco Piston Kit, meticulously engineered for unmatched power and reliability. This premium upgrade enhances engine efficiency, allowing for a thrilling ride every time...663M07800- SKU:
- 663M07800
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 650 CC
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 78.00 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- WATERCRAFT
$159.95 -
Wiseco Piston 78.50mm Sea-Doo GTX 1994-1995 663M07850
WISECO
$159.95Wiseco Piston Kit - 663M07850 Elevate your engine's performance with the Wiseco Piston Kit, part #663M07850. Designed specifically for 650cc engines, this premium kit combines advanced materials and engineering to enhance power, efficiency, and...663M07850- SKU:
- 663M07850
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 658 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- EACH
- BORE SIZE METRIC:
- 78.50 MM
- PRODUCT NAME:
- PISTON
$159.95
