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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Cylinder Works Standard Bore Cylinder for Honda CRF250R 2004-2009 10001
CYLINDER WORKS
$340.95CYLINDER WORKS Cylinder Standard 10001 Experience unmatched performance with the CYLINDER WORKS Standard 10001. This ready-to-install, direct bolt-on cylinder is designed for seamless integration, ensuring your engine runs smoothly without the need for...09310128- SKU:
- 09310128
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- CYLINDER DIAMETER:
- 78,00 MM
- OVERBORE METRIC:
- STANDARD
- STYLE:
- STANDARD
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- COMPRESSION RATIO IMPERIAL:
- 12.9:1
- CYLINDER DIAMETER METRIC:
- 78.00 MM
- UNITS:
- EACH
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
$340.95 -
Cylinder Works Big Bore Gasket Kit 2010-2022 Suzuki RM-Z250 80.00mm Bore 41004-G01
CYLINDER WORKS
$63.95CYLINDER WORKS Big Bore Gasket Kit 41004-G01 Upgrade your engine's performance with the CYLINDER WORKS Big Bore Gasket Kit 41004-G01. This ready-to-install kit features high-quality components that ensure a perfect fit and enhanced durability, allowing...09342151- SKU:
- 09342151
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- NICKEL SILICON CARBIDE
- STYLE:
- BIG BORE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE SIZE METRIC:
- OVERSIZED (+3.00 MM)
- PRODUCT NAME:
- GASKET KIT
$63.95 -
On Sale
Cylinder Works Big Bore Gasket Kit 81mm Bore 2013-2015 KTM 250 SX-F 51004-G01
CYLINDER WORKS
MSRP: $128.95Now: $84.00Was: $128.95CYLINDER WORKS Big Bore Gasket Kit 51004-G01 Enhance your engine's performance with the CYLINDER WORKS Big Bore Gasket Kit 51004-G01. This ready-to-install kit offers a seamless upgrade, featuring components that mirror OEM specifications while...09343130- SKU:
- 09343130
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- NICKEL SILICON CARBIDE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- STYLE:
- BIG BORE
- UNITS:
- KIT
MSRP: $128.95Now: $84.00Was: $128.95 -
Cylinder Works Big Bore Gasket Kit Yamaha YZ250F 2014-2018 21010-G01
CYLINDER WORKS
$99.95CYLINDER WORKS Big Bore Gasket Kit 21010-G01 Upgrade your engine's performance with the CYLINDER WORKS Big Bore Gasket Kit 21010-G01. This complete kit offers a seamless, direct bolt-on solution that enhances power without the need for extensive...09344052- SKU:
- 09344052
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET KIT
- STYLE:
- BIG BORE
- MATERIAL:
- NICKEL SILICON CARBIDE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- TYPE:
- TOP END
$99.95 -
On Sale
Cylinder Works Big Bore Gasket Kit Kawasaki KX450F 2009-2015 31011-G01
CYLINDER WORKS
MSRP: $89.95Now: $58.00Was: $89.95CYLINDER WORKS Big Bore Gasket Kit 31011-G01 Upgrade your engine with the CYLINDER WORKS Big Bore Gasket Kit 31011-G01, designed for effortless installation and enhanced performance. This kit features high-quality components that mirror OEM...09344056- SKU:
- 09344056
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- BIG BORE
- MATERIAL:
- NICKEL SILICON CARBIDE
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
MSRP: $89.95Now: $58.00Was: $89.95 -
Cylinder Works Honda CRF250R 2009 Cylinder Head Kit CH1001-K01
CYLINDER WORKS
$548.95CYLINDER WORKS Cylinder Head Kit CH1001-K01 Upgrade your engine's performance with the CYLINDER WORKS Cylinder Head Kit CH1001-K01. This high-quality replacement cylinder head is designed for enthusiasts seeking enhanced efficiency and power. Crafted in...09300127- SKU:
- 09300127
- Availability:
- Ships Same Business Day
- Weight:
- 6.20 LBS
- PRODUCT NAME:
- CYLINDER HEAD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
$548.95 -
Cylinder Works Cylinder Head Kit for 2008 Honda CRF250R CH1002-K01
CYLINDER WORKS
$548.95CYLINDER WORKS Cylinder Head Kit CH1002-K01 Upgrade your engine's performance with the CYLINDER WORKS Cylinder Head Kit CH1002-K01. This high-quality replacement cylinder head is designed for enthusiasts seeking enhanced power and efficiency. Crafted in...09300128- SKU:
- 09300128
- Availability:
- Ships Same Business Day
- Weight:
- 6.15 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- CYLINDER HEAD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$548.95 -
Cylinder Works Cylinder Head Kit Honda CRF250R 2004-2007 CH1003-K01
CYLINDER WORKS
$548.95CYLINDER WORKS Cylinder Head Kit CH1003-K01 Upgrade your engine's performance with the CYLINDER WORKS Cylinder Head Kit CH1003-K01. This high-quality replacement cylinder head is designed for enthusiasts seeking enhanced power and efficiency. Crafted in...09300129- SKU:
- 09300129
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CYLINDER HEAD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
$548.95 -
Cylinder Works YZ250 1999-2024 Cylinder Head Kit CH2001-K01
CYLINDER WORKS
$243.95CYLINDER WORKS Cylinder Head Kit CH2001-K01 Upgrade your engine's performance with the CYLINDER WORKS Cylinder Head Kit CH2001-K01. This precision-engineered replacement cylinder head is designed to enhance airflow and optimize combustion, making it...09300130- SKU:
- 09300130
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CYLINDER HEAD KIT
- RIDING STYLE:
- OFF-ROAD
$243.95 -
Cylinder Works High Compression Cylinder Kit 2003-2005 Honda CRF250R 10007-K02HC
CYLINDER WORKS
$589.95High Compression Cylinder Kit - Model 10007-K02HC Upgrade your engine's performance with our High Compression Cylinder Kit, designed for effortless installation and optimal efficiency. This ready-to-install, direct bolt-on solution mimics the original...09310584- SKU:
- 09310584
- Availability:
- Ships Same Business Day
- Weight:
- 3.45 LBS
- COMPRESSION RATIO IMPERIAL:
- 14.1:1
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- HIGH COMPRESSION
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 76,80 MM
- CYLINDER DIAMETER METRIC:
- 76.80 MM
$589.95Qty in Cart: 0Quantity:Price:$589.95Subtotal: -
Cylinder Works Standard Bore Cylinder Kit Kawasaki KX250F 2015-2016 30006-K02
CYLINDER WORKS
$629.95CYLINDER WORKS Cylinder Kit Standard Bore 30006-K02 Upgrade your engine with the CYLINDER WORKS Cylinder Kit, designed for seamless installation and optimal performance. This high-quality kit features components that mirror OEM specifications, ensuring...09310592- SKU:
- 09310592
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 13.8:1
- CYLINDER DIAMETER:
- 77,00 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- STYLE:
- STANDARD
$629.95 -
Cylinder Works Standard Bore Cylinder Kit for Kawasaki KX450F 2009-2012 30011-K01
CYLINDER WORKS
$627.95CYLINDER WORKS Cylinder Kit Standard Bore 30011-K01 Upgrade your engine with the CYLINDER WORKS Cylinder Kit, designed for easy installation and optimal performance. This complete kit includes everything you need for a seamless replacement, ensuring your...09310596- SKU:
- 09310596
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 96,00 MM
- STYLE:
- STANDARD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 13.2:1
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- DISPLACEMENT:
- 449 CC
- RIDING STYLE:
- OFF-ROAD
$627.95 -
Cylinder Works Kawasaki KX450F 2015 Standard Bore Cylinder Kit 30011-K03
CYLINDER WORKS
$639.95CYLINDER WORKS Cylinder Kit Standard Bore 30011-K03 Upgrade your engine with the Cylinder Works Cylinder Kit, designed for seamless installation and superior performance. This ready-to-install kit features OEM-like aesthetics and comes equipped with...09310600- SKU:
- 09310600
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 96,00 MM
$639.95 -
Cylinder Works Standard Bore Cylinder Kit 77mm Bore Kawasaki KX250F 2011-2014 30006-K01
CYLINDER WORKS
$617.95CYLINDER WORKS Cylinder Standard 30006-K01 Upgrade your engine with the CYLINDER WORKS Cylinder Standard 30006-K01, designed for seamless installation and optimal performance. These high-quality, ready-to-install cylinders mirror OEM specifications while...09310423- SKU:
- 09310423
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
$617.95 -
Cylinder Works Standard Bore Cylinder Kit CRF 150 R 2012-2024 10004-K02
CYLINDER WORKS
$499.95CYLINDER WORKS Cylinder Kit Standard 10004-K02 Upgrade your engine with the CYLINDER WORKS Cylinder Kit Standard 10004-K02, designed for seamless installation and optimal performance. This high-quality kit offers a perfect fit, ensuring your engine runs...09310486- SKU:
- 09310486
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- STYLE:
- STANDARD
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 66,00 MM
- DISPLACEMENT:
- 149 CC
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER METRIC:
- 66.00 MM
- RIDING STYLE:
- OFF-ROAD
$499.95 -
Cylinder Works 270cc Big Bore Cylinder Kit for 2013-2015 KTM 250 SX-F 51004-K01
CYLINDER WORKS
$936.95CYLINDER WORKS Cylinder Kit Standard 51004-K01 Upgrade your engine with the CYLINDER WORKS Cylinder Kit Standard 51004-K01, designed for seamless installation and exceptional performance. This high-quality kit includes everything you need to enhance your...09310491- SKU:
- 09310491
- Availability:
- Ships Same Business Day
- Weight:
- 3.54 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 13.9:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 78.00 MM
- CYLINDER DIAMETER:
- 78,00 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
$936.95 -
Cylinder Works Standard Bore Cylinder Honda CRF450R 2009-2016 10006
CYLINDER WORKS
$402.95CYLINDER WORKS Cylinder Standard CRF450R 10006 Enhance your CRF450R's performance with the CYLINDER WORKS Standard Cylinder. Designed for seamless installation, this direct bolt-on solution eliminates the need for re-plating while delivering durability...09310391- SKU:
- 09310391
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- BORE SIZE METRIC:
- 96.00 MM
- STYLE:
- STANDARD
- CYLINDER DIAMETER:
- 96,00 MM
- PRODUCT NAME:
- CYLINDER
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- ENGINE TYPE:
- 4-CYCLE
$402.95 -
Cylinder Works Honda CRF250R 2010-2017 Standard Bore Cylinder 76.8mm 13.2:1 10007
CYLINDER WORKS
$377.95CYLINDER WORKS Cylinder Standard CRF250R 10007 Upgrade your CRF250R with the Cylinder Works Standard Cylinder, designed for effortless installation and superior performance. This ready-to-install, direct bolt-on cylinder mirrors the quality of OEM parts...09310392- SKU:
- 09310392
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- BORE SIZE METRIC:
- 76.80 MM
- CYLINDER DIAMETER:
- 76,80 MM
- STYLE:
- STANDARD
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER METRIC:
- 76.80 MM
- UNITS:
- EACH
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
$377.95 -
Cylinder Works Cylinder Standard RMZ250 2007 40003
CYLINDER WORKS
$427.95CYLINDER WORKS Cylinder Standard RMZ250 2007-2009 40003 Upgrade your RMZ250 with the Cylinder Works Standard Cylinder, designed for seamless installation and optimal performance. Crafted in the U.S.A., this high-quality replacement cylinder offers...09310401- SKU:
- 09310401
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- BORE SIZE METRIC:
- 77.00 MM
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- STANDARD
$427.95 -
Cylinder Works Standard Cylinder for Suzuki RM-Z250 2010-2012 40004
CYLINDER WORKS
$414.95CYLINDER WORKS Cylinder Standard RMZ250 2010-2012 40004 Upgrade your RMZ250 with the Cylinder Works Standard Cylinder, designed for seamless installation and superior performance. Crafted to match OEM specifications, this high-quality cylinder features...09310402- SKU:
- 09310402
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- STYLE:
- STANDARD
- BORE SIZE METRIC:
- 44.00 MM
- ENGINE TYPE:
- 4-CYCLE
- UNITS:
- EACH
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
$414.95
