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
- Quantity
- Price
- Subtotal
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Wiseco 66mm 10.25:1 Piston Kit for 1992-2002 Honda XR200R PK1125
WISECO
$204.95Wiseco PK1125 Piston Kit with Gaskets Elevate your Honda's performance with the Wiseco PK1125 Piston Kit, designed for enthusiasts seeking enhanced power and reliability. This comprehensive kit is perfect for restoring Honda XL185S, XR 200 R, XR185, and...09030270- SKU:
- 09030270
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.80 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 192 CC
- PISTON DIAMETER METRIC:
- 65.95 MM
- BORE - OVERSIZE:
- +0,50 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$204.95 -
Wiseco Yamaha YZ85 2002-2018 Piston Kit with Gaskets PK1343
WISECO
$214.95Wiseco PK1343 Piston Kit with Gaskets Elevate your Yamaha YZ85's performance with the Wiseco PK1343 Piston Kit. Engineered for precision and power, this kit is perfect for riders looking to enhance their bike's capabilities from 2002 to 2020. Experience...09030271- SKU:
- 09030271
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 103,5 CC
- MODEL:
- RACER'S CHOICE
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 52.50 MM
- COOLING SYSTEM:
- LIQUID COOLED
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- UNITS:
- EACH
$214.95 -
Wiseco Honda CR250R 1986-1989 Piston Kit with Gaskets PK1243
WISECO
$264.95Wiseco PK1243 Piston Kit with Gaskets Elevate your Honda CR250R's performance with the Wiseco PK1243 Piston Kit, meticulously crafted for enthusiasts seeking top-tier quality and efficiency. Designed specifically for models from 1986 to 1989, this kit...09030273- SKU:
- 09030273
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BORE SIZE METRIC:
- 66.40 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.36 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- PRODUCT NAME:
- REBUILD KIT
$264.95 -
Wiseco Piston Kit with Gaskets 40mm Bore for Yamaha PW50 1981-2025 PK1157
WISECO
$149.95Wiseco PK1157 Piston Kit Elevate your Yamaha PW50's performance with the Wiseco PK1157 Piston Kit, engineered for enthusiasts who demand excellence. This precision-crafted kit is ideal for both restoration and performance enhancement, ensuring your bike...09030275- SKU:
- 09030275
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 40.00 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- COOLING SYSTEM:
- AIR COOLED
- DISPLACEMENT:
- 49 CC
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 39.20 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- RACER'S CHOICE
$149.95 -
Wiseco Suzuki RM125 1991-1996 Piston Kit with Gaskets PK1318
WISECO
$209.95Wiseco PK1318 Piston Kit Elevate your riding experience with the Wiseco PK1318 Piston Kit, meticulously engineered for Suzuki RM125 models from 1991 to 1996. This kit promises to enhance your bike's performance and reliability, making it the ideal choice...09030279- SKU:
- 09030279
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PISTON DIAMETER METRIC:
- 53.96 MM
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 123 CC
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$209.95 -
Wiseco Yamaha PW50 1985-2025 Piston Kit with Gaskets PK1159
WISECO
$149.95Wiseco PK1159 Piston Kit Elevate your riding experience with the Wiseco PK1159 Piston Kit, specifically engineered for Yamaha PW50 models spanning from 1981 to 2022. This premium piston kit ensures optimal performance and reliability, making it an...09030281- SKU:
- 09030281
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 40.50 MM
- COOLING SYSTEM:
- LIQUID COOLED
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 49 CC
- MODEL:
- RACER'S CHOICE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 39.20 MM
- TYPE:
- TOP END
$149.95 -
Wiseco Yamaha YZ125 2003-2004 Piston Kit with Gaskets PK1344
WISECO
$204.95Wiseco PK1344 Pro-Lite Piston Kit for Yamaha YZ125 Transform your riding performance with the Wiseco PK1344 Pro-Lite Piston Kit, tailored specifically for Yamaha YZ125 models from 2003 to 2004. This kit is engineered to deliver exceptional power and...09030283- SKU:
- 09030283
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$204.95 -
Wiseco Piston Kit with Gaskets for Honda CR125R 2000 PK1257
WISECO
$219.95Wiseco PK1257 Pro-Lite Piston Kit for Enhanced Performance Elevate your riding experience with the Wiseco PK1257 Pro-Lite Piston Kit, meticulously designed for optimal performance and reliability. Perfectly suited for the 2000 Honda CR125R, this kit...09030284- SKU:
- 09030284
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
- DISPLACEMENT:
- 125 CC
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 53.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- TOP END
$219.95 -
Wiseco Piston Kit for Honda CR80R 1993-2002 PK1185
WISECO
$214.95Wiseco PK1185 Pro-Lite Piston Kit with Gaskets Elevate your motorcycle's performance with the Wiseco PK1185 Pro-Lite Piston Kit. Designed for serious riders, this kit ensures your engine achieves maximum power and efficiency, making it perfect for both...09030285- SKU:
- 09030285
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE METRIC:
- +5.00 MM
- COOLING SYSTEM:
- LIQUID COOLED
- UNITS:
- EACH
- BORE SIZE METRIC:
- 52.00 MM
- MODEL:
- RACER'S CHOICE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +5,00 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- DISPLACEMENT:
- 101,5 CC
- PISTON MATERIAL:
- ALUMINUM
$214.95 -
Wiseco 54mm Piston Kit with Gaskets for 2003 Honda CR125R PK1265
WISECO
$224.95Wiseco PK1265 Pro-Lite Piston Kit with Gaskets Elevate your riding experience with the Wiseco PK1265 Pro-Lite Piston Kit. This premium kit is meticulously crafted for riders who seek unparalleled performance and reliability, ensuring your bike operates...09030286- SKU:
- 09030286
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
$224.95 -
Wiseco Piston Kit with Gaskets for 1993-1998 Suzuki RMX250 PK1339
WISECO
$264.95Wiseco PK1339 Pro-Lite Piston Kit with Gasket Elevate your riding experience with the Wiseco PK1339 Pro-Lite Piston Kit. Designed for performance enthusiasts, this kit combines cutting-edge engineering with premium materials to ensure your Suzuki RMX250...09030287- SKU:
- 09030287
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 66.94 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 70.80 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 67.00 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$264.95 -
Wiseco Yamaha YZ125 2001 54mm Piston Kit PK1348
WISECO
$209.95Wiseco PK1348 Pro-Lite Piston Kit Unlock the full potential of your Yamaha YZ125 with the Wiseco PK1348 Pro-Lite Piston Kit. This advanced piston kit is engineered for riders who demand peak performance and reliability, providing a seamless upgrade for...09030288- SKU:
- 09030288
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- DISPLACEMENT:
- 124 CC
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 53.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$209.95Qty in Cart: 0Quantity:Price:$209.95Subtotal: -
Wiseco Piston Kit with Gaskets for Kawasaki KX80 1998-2000 PK1150
WISECO
$179.95Wiseco Piston Kit PK1150 for Kawasaki KX80 Transform your Kawasaki KX80 with the Wiseco Piston Kit PK1150, designed for riders who seek unparalleled performance and reliability. This high-performance kit enhances your bike’s power output, ensuring a...09030289- SKU:
- 09030289
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- DISPLACEMENT:
- 82 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 45.80 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 48.00 MM
- PISTON DIAMETER METRIC:
- 47.95 MM
- PRODUCT NAME:
- REBUILD KIT
$179.95 -
Wiseco Piston Kit 54.50mm Yamaha YZ125 1998-2000 PK1174
WISECO
$209.95Wiseco Performance Piston Kit PK1174 for Yamaha YZ125 Elevate your Yamaha YZ125's performance with the Wiseco Performance Piston Kit PK1174. Designed for serious riders, this kit enhances engine efficiency and responsiveness, ensuring you dominate on...09030291- SKU:
- 09030291
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 54.50 MM
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 54.45 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 54.50 MM
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- PRODUCT NAME:
- REBUILD KIT
$209.95 -
Wiseco Piston Kit for Honda CR250R 1992-1996 PK1128
WISECO
$259.95Wiseco Piston Kit with Gaskets PK1128 Transform your Honda CR250R into a powerhouse with the Wiseco Piston Kit. This premium upgrade is meticulously crafted for riders who prioritize performance, durability, and precision. Experience the thrill of...09030292- SKU:
- 09030292
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 66.40 MM
- PISTON DIAMETER METRIC:
- 66.36 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 249 CC
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 72.00 MM
$259.95 -
Wiseco Piston Honda CRF450R 2002 431M07000
WISECO
$199.95Wiseco Piston Kit for Honda CR250R & ATC250R Elevate your riding experience with the Wiseco Piston Kit, specifically designed for the Honda CR250R and ATC250R models. This high-performance piston kit combines cutting-edge engineering with premium...431M07000- SKU:
- 431M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PISTON DIAMETER METRIC:
- 69.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 248 CC
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 64.40 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
$199.95 -
Wiseco Piston Honda CRF450R 2002-2008 431M07050
WISECO
$199.95Wiseco Piston Kit for Honda .50mm 431M07050 Transform your vintage Honda's performance with the Wiseco Piston Kit, meticulously crafted for enhanced power and reliability. This premium upgrade is designed to push your engine to its limits, providing an...431M07050- SKU:
- 431M07050
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 64.40 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 248 CC
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 70.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 70.45 MM
- UNITS:
- KIT
$199.95 -
Wiseco Piston Kit 71mm Oversize for Honda CR250R 1978-1980 431M07100
WISECO
$199.95Upgrade Your Ride with the Wiseco Piston Kit for Honda Transform your Honda CR250R or ATC250R engine with the high-performance Wiseco Piston Kit. Crafted for enthusiasts who demand excellence, this kit combines cutting-edge materials and expert...431M07100- SKU:
- 431M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- DISPLACEMENT:
- 248 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 70.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 64.40 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 71.00 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
$199.95 -
Wiseco Piston Honda CR250R 1978-1980 1.5mm 431M07150
WISECO
$224.95Wiseco Piston Kit for Honda CR250R Elsinore & ATC250R Unlock the full potential of your Honda CR250R Elsinore or ATC250R with the Wiseco Piston Kit. Crafted for performance enthusiasts, this piston kit combines cutting-edge engineering with premium...431M07150- SKU:
- 431M07150
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 71.50 MM
- DISPLACEMENT:
- 248 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 71.45 MM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 64.40 MM
- BORE - OVERSIZE:
- +1,50 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$224.95 -
Wiseco Piston Kit 72mm Oversize for Honda CR250R 1978-1980 431M07200
WISECO
$224.95Wiseco Piston Kit for Honda CR250R & ATC250R Elevate your riding experience with the Wiseco Piston Kit, meticulously crafted for the Honda CR250R and ATC250R. This high-performance piston kit ensures your bike operates at peak efficiency, delivering...431M07200- SKU:
- 431M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- DISPLACEMENT:
- 248 CC
- PISTON DIAMETER METRIC:
- 71.95 MM
- SKIRT COATING:
- NON-COATED
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 72.00 MM
- STROKE LENGTH METRIC:
- 64.40 MM
- BORE - OVERSIZE:
- +2,00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal:
