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 Honda XR200 1980-1983 Piston Kit with Gaskets PK1116
WISECO
$204.95WISECO Piston Kit with Gaskets PK1116 Experience unmatched performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. Crafted from high-silicone forged materials, this kit ensures superior strength and minimal thermal expansion,...09030231- SKU:
- 09030231
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE SIZE METRIC:
- 65.50 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 192 CC
- PISTON DIAMETER METRIC:
- 65.45 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.80 MM
$204.95 -
Wiseco Engine Rebuild Kit for Suzuki RM250 2003-2004 PWR165A-100
WISECO
$664.95WISECO Engine Kit RM250 2003-2004 PWR165A-100 Revitalize your RM250 with the WISECO Engine Kit, engineered for optimal performance and longevity. This comprehensive kit includes everything you need for a complete engine rebuild, ensuring your bike runs...09031544- SKU:
- 09031544
- Availability:
- Ships Same Business Day
- Weight:
- 13.65 LBS
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 66.40 MM
- OVERBORE METRIC:
- STANDARD
- UNITS:
- KIT
- FEATURES:
- PROLITE® PISTON
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
$664.95 -
Wiseco Engine Rebuild Kit Suzuki RM250 2005-2010 PWR165B-100
WISECO
$664.95WISECO Complete Engine Rebuild Kit for RM250 (2005-2010) Revitalize your RM250 with the WISECO Engine Kit, designed for a comprehensive top and bottom-end rebuild. This all-inclusive kit ensures your engine performs at its peak, featuring a meticulously...09031545- SKU:
- 09031545
- Availability:
- Ships Same Business Day
- Weight:
- 13.95 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 66.40 MM
- UNITS:
- KIT
- DISPLACEMENT:
- 250 CC
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$664.95 -
Wiseco Piston Kit 96mm 11.5:1 Honda CRF450R 2002-2003 4753M09600
WISECO
$229.95WISECO Piston 4753M09600 Engineered for superior performance, the WISECO Piston 4753M09600 is crafted from a high-silicon alloy, ensuring exceptional strength and reliability in both competitive and recreational settings. This piston is designed to...4753M09600- SKU:
- 4753M09600
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- 95.94 MM
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
$229.95 -
Wossner Piston Kit Honda CRF450R 2005-2008 8608DA
WOSSNER
$214.00WOSSNER Piston Kit 8608DA Elevate your engine's performance with the WOSSNER Piston Kit 8608DA, designed for optimal efficiency and durability. Crafted from premium materials, this piston kit ensures reduced friction and enhanced reliability, making it...09104944- SKU:
- 09104944
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 95.96 MM
- MODEL:
- PREMIUM SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$214.00 -
BOYESEN Impeller Pump YZ250F WPI-37
BOYESEN
$79.95High-Performance Water Pump WPI37 Enhances water flow for optimal cooling efficiency Reduces hydraulic friction to maintain stable temperatures Minimizes horsepower loss during critical race stages Extends overall engine lifespan with...WPI37- SKU:
- WPI37
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- IMPELLER
- UNITS:
- EACH
- TYPE:
- WATER PUMP
- MODEL:
- SUPERCOOLER
- RIDING STYLE:
- OFF-ROAD
$79.95 -
BOYESEN Impeller Pump YZ/WR WPI-32A
BOYESEN
$79.95High-Performance Water Pump WPI32A Enhances water flow for optimal cooling efficiency Reduces hydraulic friction to maintain consistent temperatures Minimizes horsepower loss during late-stage racing Extends engine lifespan through...WPI32A- SKU:
- WPI32A
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- IMPELLER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPERCOOLER
- TYPE:
- WATER PUMP
- UNITS:
- EACH
$79.95 -
BOYESEN Impeller Pump YZ125 WPI-31
BOYESEN
$79.95High-Performance Water Pump WPI31 Enhances water flow for optimal cooling efficiency. Reduces hydraulic friction, ensuring a stable temperature. Minimizes horsepower loss during late-stage racing. Designed to extend engine life with...WPI31- SKU:
- WPI31
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MODEL:
- SUPERCOOLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- PRODUCT NAME:
- IMPELLER
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$79.95Qty in Cart: 0Quantity:Price:$79.95Subtotal: -
BOYESEN Clutch Cover - Gold CC-17AM
BOYESEN
$95.95BOYESEN Clutch Cover Gold CC-17AMSet your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough,...09401117- SKU:
- 09401117
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
$95.95 -
BOYESEN Clutch Cover - Black CC-17AB
BOYESEN
$95.95BOYESEN Clutch Cover Black CC-17ABSet your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough,...09401116- SKU:
- 09401116
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- TYPE:
- CLUTCH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
$95.95 -
BOYESEN Clutch Cover - Gold CC-10M
BOYESEN
$179.95BOYESEN Clutch Cover Gold CC-10MSet your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough,...09401114- SKU:
- 09401114
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- MAGNESIUM
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
BOYESEN Clutch Cover - Black CC-10B
BOYESEN
$179.95BOYESEN Clutch Cover Black CC-10BSet your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough,...09401113- SKU:
- 09401113
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$179.95 -
BOYESEN Clutch Cover - Black CC-06AB
BOYESEN
$95.95BOYESEN Clutch Cover Black CC-06ABSet your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough,...09401110- SKU:
- 09401110
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$95.95 -
BOYESEN Ignition Cover - Gold SC-30M
BOYESEN
$87.95BOYESEN Ignition Cover Gold SC-30MLook like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and...09401108- SKU:
- 09401108
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- MAGNESIUM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
$87.95Qty in Cart: 0Quantity:Price:$87.95Subtotal: -
BOYESEN Ignition Cover - Black SC-30B
BOYESEN
$87.95BOYESEN Ignition Cover Black SC-30BLook like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and...09401107- SKU:
- 09401107
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- TYPE:
- IGNITION
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
$87.95 -
BOYESEN Ignition Cover - Gold SC10AM
BOYESEN
$87.95BOYESEN Ignition Cover Gold SC10AMLook like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and...09401106- SKU:
- 09401106
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- COLOR/FINISH:
- MAGNESIUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
- UNITS:
- EACH
$87.95 -
BOYESEN Ignition Cover - Black SC10AB
BOYESEN
$87.95BOYESEN Ignition Cover Black SC10ABLook like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and...09401105- SKU:
- 09401105
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
$87.95 -
BOYESEN Ignition Cover - Gold SC-10DM
BOYESEN
$87.95BOYESEN Ignition Cover Gold SC-10DMLook like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and...09401104- SKU:
- 09401104
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- TYPE:
- IGNITION
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
$87.95 -
BOYESEN Ignition Cover - Black SC-10DB
BOYESEN
$87.95BOYESEN Ignition Cover Black SC-10DBLook like a professional with the Factory Ignition Cover, Seals properly, guarding inside of engine from dirt and water and outlasts stock covers, Boyesen Factory Covers are cast from the highest grade of aluminum and...09401103- SKU:
- 09401103
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
$87.95 -
BOYESEN Clutch Cover - Black - KX250 CC-12CB
BOYESEN
$95.95BOYESEN Clutch Cover Black KX250 CC-12CBSet your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit,...09400389- SKU:
- 09400389
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- COLOR/FINISH:
- BLACK
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- COLOR/FINISH:
- POWDER-COATED
- UNITS:
- EACH
- PRODUCT NAME:
- COVER
$95.95
