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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Wiseco Piston Kit Standard 47.50mm for Honda CR85R 2003-2007 838M04750
WISECO
$134.95WISECO Piston Kit Standard CR 85 838M04750 Upgrade your bike's performance with the WISECO Piston Kit designed for the CR 85. This high-quality standard piston ensures optimal engine efficiency and durability, allowing you to ride with confidence. Please...09100323- SKU:
- 09100323
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 47.50 MM
- DISPLACEMENT:
- 84,7 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GP STYLE
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
$134.95 -
WISECO Piston Kit - +2.00 mm - XR100/R/CRF100F 4666M05500
WISECO
$169.95WISECO Piston Kit +2.00 mm XR100/R/CRF100F 4666M05500Pistons come without gasket kit09100331- SKU:
- 09100331
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.4:1
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 107,00 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 45.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$169.95 -
Wiseco Piston Kit 65.5mm 11:1 Compression Honda CRF230F 2003-2019 4816M06550
WISECO
$169.95WISECO Piston Kit Standard CRF230F 4816M06550 Enhance your CRF230F's performance with the WISECO Piston Kit, designed for durability and precision. This kit provides a reliable replacement to keep your engine running smoothly, ensuring optimal power and...09100332- SKU:
- 09100332
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE METRIC:
- 65.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 223,00 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 66.20 MM
$169.95 -
Wiseco Piston Honda CB750 1979-1982 871M08950
WISECO
$234.95WISECO Piston Honda .50mm 871M08950 Upgrade your engine's performance with the WISECO Piston Honda .50mm 871M08950. Designed for durability and efficiency, this piston ensures optimal compression and power output. Please note that this product does not...09102023- SKU:
- 09102023
- Availability:
- Ships Same Business Day
- Weight:
- 1.24 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 89.50 MM
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- EACH
- DISPLACEMENT:
- 472 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 76.00 MM
- PISTON MATERIAL:
- FORGED
$234.95 -
Wiseco Piston Kit Honda CR500R 1984-2001 90mm 871M09000
WISECO
$234.95WISECO Piston for Honda 1.0mm 871M09000 Upgrade your engine's performance with the WISECO Piston designed specifically for Honda models. This high-quality piston enhances durability and efficiency, ensuring optimal power delivery. Please note that this...09102024- SKU:
- 09102024
- Availability:
- Ships Same Business Day
- Weight:
- 1.27 LBS
- DISPLACEMENT:
- 472 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 79.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 90.00 MM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 491 CC
- PISTON MATERIAL:
- ALUMINUM
$234.95 -
Wiseco Piston Kit 47mm 11:1 Compression Yamaha TT-R90 2000-2007 4840M04700
WISECO
$154.95WISECO Piston Kit Standard 4840M04700 The WISECO Piston Kit Standard 4840M04700 is engineered for optimal performance, providing a reliable upgrade for your engine. Designed for durability and precision, this piston kit ensures enhanced power and...09100368- SKU:
- 09100368
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 51.80 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 90 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$154.95 -
Wiseco Honda CRF450R 2002-2008 Piston Kit with Gaskets PK1365
WISECO
$324.95WISECO Piston Kit with Gaskets PK1365 Enhance your engine's performance with the WISECO Piston Kit, meticulously crafted to deliver exceptional strength and durability. This complete kit includes everything needed for a top-end rebuild, ensuring optimal...09030567- SKU:
- 09030567
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- TYPE:
- TOP END
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- 95.94 MM
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
$324.95 -
Wiseco Piston Kit 70.50mm Oversize for Yamaha IT250 1978-1980 234M07050
WISECO
$199.95WISECO Piston Yamaha .50mm 234M07050 Engineered for performance and durability, the WISECO Piston Yamaha .50mm 234M07050 is crafted from a high-silicon alloy, ensuring exceptional strength and reliability in demanding conditions. This piston is designed...234M07050- SKU:
- 234M07050
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 64.00 MM
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 70.45 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 70.50 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$199.95 -
Wiseco Piston Kit Kawasaki KX250F 2011-2014 77mm 14.5:1 40020M07700
WISECO
$264.95WISECO Piston Kit Standard KX 250 F 40020M07700 Upgrade your KX 250 F with the WISECO Piston Kit, designed for optimal performance and durability. This piston kit enhances engine efficiency and power, ensuring you get the most out of your ride. Please...09102896- SKU:
- 09102896
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 77.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 53.60 MM
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- DISPLACEMENT:
- 250 CC
$264.95 -
Wiseco Piston Kit 2.00mm Oversize 73.95mm Yamaha YZ250 1976-1979 234M07200
WISECO
$224.95WISECO +2.00 mm Piston 234M07200 Engineered for unparalleled performance, the WISECO 234M07200 piston is forged from a high-silicon alloy, ensuring exceptional strength and reliability for both trail and racing enthusiasts. This piston is designed to...234M07200- SKU:
- 234M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +2,00 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 71.95 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 72.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STROKE LENGTH METRIC:
- 64.00 MM
- DISPLACEMENT:
- 246 CC
- PRODUCT NAME:
- PISTON KIT
$224.95 -
Wiseco Piston Kit for KTM 500 EXC 2012-2016 40064M09500
WISECO
$254.95WISECO Piston Kit for KTM 500 EXC 40064M09500 Enhance your KTM 500 EXC's performance with the WISECO Piston Kit, designed for durability and efficiency. This high-quality piston kit is engineered to deliver optimal power and reliability, ensuring a...09102898- SKU:
- 09102898
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE SIZE METRIC:
- 95.00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.8:1
- PISTON MATERIAL:
- FORGED
- DISPLACEMENT:
- 510 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$254.95 -
Wiseco Piston Kit 53.00mm 1.00mm Oversize Yamaha MX100 1979-1983 235M05300
WISECO
$139.95WISECO Piston for Yamaha 1.0mm 235M05300 Engineered for optimal performance, the Wiseco Piston is crafted from a high-silicon alloy, ensuring exceptional strength and reliability. Designed to meet the demands of both trail and racing applications, this...235M05300- SKU:
- 235M05300
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DISPLACEMENT:
- 98 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 52.95 MM
- BORE SIZE METRIC:
- 53.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.60 MM
$139.95 -
Wiseco Piston Kit Yamaha DT400 1975-1978 85.50mm 232M08550
WISECO
$209.95WISECO Piston for Yamaha .50mm 232M08550 Engineered for performance and durability, the WISECO Piston is crafted from a high-silicon alloy, ensuring exceptional strength for both trail and racing applications. This piston is designed to enhance your...232M08550- SKU:
- 232M08550
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- KIT
- BORE SIZE METRIC:
- 85.50 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON DIAMETER METRIC:
- 85.42 MM
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 397 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 70.00 MM
$209.95Qty in Cart: 0Quantity:Price:$209.95Subtotal: -
ACERBIS X-Power Cover Kit - Black - Honda 2791950001
ACERBIS
$69.95ACERBIS X-Power Cover Kit Black Honda 2791950001Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap and...09401891- SKU:
- 09401891
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MODEL:
- X-POWER
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- ENGINE
- PRODUCT NAME:
- COVER
- PRODUCT NAME:
- COVER KIT
$69.95 -
ACERBIS X-Power Cover Kit - White - KTM/Husqvarna 2731970002
ACERBIS
$67.95ACERBIS X-Power Cover Kit White KTM/Husqvarna 2731970002Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap...09401762- SKU:
- 09401762
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- COLOR/FINISH:
- WHITE
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- TYPE:
- ENGINE
- MODEL:
- X-POWER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$67.95 -
ACERBIS X-Power Cover Kit - Orange - KTM/Husqvarna 2645515226
ACERBIS
$69.95ACERBIS X-Power Cover Kit Orange KTM/Husqvarna 2645515226Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil...09401763- SKU:
- 09401763
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- COLOR/FINISH:
- ORANGE
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- PLASTIC
- MODEL:
- X-POWER
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
$69.95 -
ACERBIS X-Power Cover Kit - White - KTM/Husqvarna 2645510002
ACERBIS
$67.95ACERBIS X-Power Cover Kit White KTM/Husqvarna 2645510002Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap...09401765- SKU:
- 09401765
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- WHITE
- MODEL:
- X-POWER
- RIDING STYLE:
- STREET
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- TYPE:
- ENGINE
$67.95 -
K & N Oil Filter KN-556
K & N
$11.99K & N Oil Filter KN-556K&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oils, A large filter media provides high-flow rates and outstanding oil filtration...07120118- SKU:
- 07120118
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- LENGTH METRIC:
- 105 MM
- PRODUCT NAME:
- OIL FILTER
- COLOR/FINISH:
- RED
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- RIDING STYLE:
- SNOW
- STYLE:
- STANDARD
- TYPE:
- CARTRIDGE
- BASE COLOR:
- RED
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BASE FINISH:
- NATURAL
- RIDING STYLE:
- WATERCRAFT
$11.99 -
K & N Oil Filter KN-655
K & N
$11.99K & N Oil Filter KN-655K&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oils, A large filter media provides high-flow rates and outstanding oil filtration...07120119- SKU:
- 07120119
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- BASE COLOR:
- YELLOW
- BASE FINISH:
- NATURAL
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- STANDARD
- TYPE:
- CARTRIDGE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- YELLOW
- LENGTH METRIC:
- 69 MM
$11.99 -
K & N Oil Filter KN-611
K & N
$11.99K & N Oil Filter KN-611K&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oils, A large filter media provides high-flow rates and outstanding oil filtration...07120388- SKU:
- 07120388
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE FINISH:
- NATURAL
- LENGTH METRIC:
- 88 MM
- STYLE:
- STANDARD
- BASE COLOR:
- RED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- OIL FILTER
- COLOR/FINISH:
- RED
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- CARTRIDGE
$11.99
