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Dirt Bike Engine

Dirt Bike Engine

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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • MOOSE RACING Complete Motor Gasket Kit with Seals - Suzuki 811983

    MOOSE RACING Complete Motor Gasket Kit with Seals - Suzuki 811983

    MOOSE RACING

    $173.59
    MOOSE RACING Complete Motor Gasket Kit with Seals Suzuki 811983Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with...
    09346112
    SKU:
    09346112
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    $173.59
    Qty in Cart: 0
    Quantity:
    Price:
    $173.59
    Subtotal:
  • MOOSE RACING Complete Motor Gasket Kit with Seals - Yamaha 811997

    MOOSE RACING Complete Motor Gasket Kit with Seals - Yamaha 811997

    MOOSE RACING

    $163.88
    MOOSE RACING Complete Motor Gasket Kit with Seals Yamaha 811997Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with...
    09346113
    SKU:
    09346113
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    ENGINE TYPE:
    4-STROKE
    TYPE:
    COMPLETE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    ENGINE
    $163.88
    Qty in Cart: 0
    Quantity:
    Price:
    $163.88
    Subtotal:
  • MOOSE RACING Magnetic Drain Plug T14-2081S

    MOOSE RACING Magnetic Drain Plug T14-2081S

    MOOSE RACING

    $14.95
    MOOSE RACING Magnetic Drain Plug T14-2081SProlong engine life and save on costly repairs with an oil plug that picks up metal filings, Replaces OEM oil plug exactly, Must use washer provided
    09200193
    SKU:
    09200193
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    ANODIZED CLEAR
    FEATURES:
    MAGNETIC
    UNITS:
    EACH
    COLOR/FINISH:
    SILVER
    DIAMETER - THREAD SIZE METRIC:
    M10 X 1.5 X 15 MM
    PRODUCT NAME:
    PLUG
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DRAIN
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • MOOSE RACING Magnetic Drain Plug T14-2082S

    MOOSE RACING Magnetic Drain Plug T14-2082S

    MOOSE RACING

    $14.95
    MOOSE RACING Magnetic Drain Plug T14-2082SProlong engine life and save on costly repairs with an oil plug that picks up metal filings, Replaces OEM oil plug exactly, Must use washer provided
    09200194
    SKU:
    09200194
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    ANODIZED CLEAR
    DIAMETER - THREAD SIZE METRIC:
    M10 X 1.5 X 22 MM
    FEATURES:
    MAGNETIC
    COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    PLUG
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DRAIN
    UNITS:
    EACH
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • MOOSE RACING Motor Gasket Kit with Seal - CR125 811235

    MOOSE RACING Motor Gasket Kit with Seal - CR125 811235

    MOOSE RACING

    $75.25
    MOOSE RACING Motor Gasket Kit with Seal CR125 811235Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil...
    M811235
    SKU:
    M811235
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    TYPE:
    COMPLETE
    TYPE:
    ENGINE
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    $75.25
    Qty in Cart: 0
    Quantity:
    Price:
    $75.25
    Subtotal:
  • MOOSE RACING Motor Gasket Kit with Seal - CR250 811254

    MOOSE RACING Motor Gasket Kit with Seal - CR250 811254

    MOOSE RACING

    $77.46
    MOOSE RACING Motor Gasket Kit with Seal CR250 811254Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil...
    M811254
    SKU:
    M811254
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    TYPE:
    ENGINE
    Qty in Cart: 0
    Quantity:
    Price:
    $77.46
    Subtotal:
  • MOOSE RACING Motor Gasket Kit with Seal - XR650L 811281

    MOOSE RACING Motor Gasket Kit with Seal - XR650L 811281

    MOOSE RACING

    $128.66
    MOOSE RACING Motor Gasket Kit with Seal XR650L 811281Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil...
    M811281
    SKU:
    M811281
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    TYPE:
    COMPLETE
    RIDING STYLE:
    OFF-ROAD
    $128.66
    Qty in Cart: 0
    Quantity:
    Price:
    $128.66
    Subtotal:
  • MOOSE RACING Motor Gasket Kit with Seal - KX/RM65 811412

    MOOSE RACING Motor Gasket Kit with Seal - KX/RM65 811412

    MOOSE RACING

    $64.25
    MOOSE RACING Motor Gasket Kit with Seal KX/RM65 811412Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil...
    M811412
    SKU:
    M811412
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    TYPE:
    ENGINE
    Qty in Cart: 0
    Quantity:
    Price:
    $64.25
    Subtotal:
  • MOOSE RACING Top End Gasket Kit - CR250R 810257

    MOOSE RACING Top End Gasket Kit - CR250R 810257

    MOOSE RACING

    $31.79
    MOOSE RACING Top End Gasket Kit CR250R 810257Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...
    M810257
    SKU:
    M810257
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    THICKNESS IMPERIAL:
    0,040'
    THICKNESS METRIC:
    1.02 MM
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $31.79
    Qty in Cart: 0
    Quantity:
    Price:
    $31.79
    Subtotal:
  • MOOSE RACING Top End Gasket Kit - XL/XR250 810258

    MOOSE RACING Top End Gasket Kit - XL/XR250 810258

    MOOSE RACING

    $76.19
    MOOSE RACING Top End Gasket Kit XL/XR250 810258Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...
    M810258
    SKU:
    M810258
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    $76.19
    Qty in Cart: 0
    Quantity:
    Price:
    $76.19
    Subtotal:
  • MOOSE RACING Top End Gasket Kit - CR250R 810259

    MOOSE RACING Top End Gasket Kit - CR250R 810259

    MOOSE RACING

    $39.41
    MOOSE RACING Top End Gasket Kit CR250R 810259Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...
    M810259
    SKU:
    M810259
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $39.41
    Qty in Cart: 0
    Quantity:
    Price:
    $39.41
    Subtotal:
  • MOOSE RACING Top End Gasket Kit - CR250 810260

    MOOSE RACING Top End Gasket Kit - CR250 810260

    MOOSE RACING

    $31.79
    MOOSE RACING Top End Gasket Kit CR250 810260Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...
    M810260
    SKU:
    M810260
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    THICKNESS METRIC:
    2.50 MM
    THICKNESS IMPERIAL:
    0,100'
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    $31.79
    Qty in Cart: 0
    Quantity:
    Price:
    $31.79
    Subtotal:
  • LA Sleeve Cylinder Sleeve 54mm Bore Suzuki RM125 2004-2007 FL5532 LA Sleeve Cylinder Sleeve 54mm Bore Suzuki RM125 2004-2007 FL5532

    LA Sleeve Cylinder Sleeve 54mm Bore Suzuki RM125 2004-2007 FL5532

    LA SLEEVE

    $146.95
    LA SLEEVE Cylinder Sleeve FL5532 Revitalize your engine with the LA SLEEVE Cylinder Sleeve FL5532. Designed for superior performance, this high-quality replacement sleeve ensures a perfect fit and exceptional durability, extending the life of your...
    09310040
    SKU:
    09310040
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    CYLINDER SLEEVE
    BORE SIZE METRIC:
    54.00 MM
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    AC
    $146.95
    Qty in Cart: 0
    Quantity:
    Price:
    $146.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve 45mm Bore 2003-2008 KTM 65 SX FL5550 LA Sleeve Cylinder Sleeve 45mm Bore 2003-2008 KTM 65 SX FL5550

    LA Sleeve Cylinder Sleeve 45mm Bore 2003-2008 KTM 65 SX FL5550

    LA SLEEVE

    $134.95
    LA SLEEVE Cylinder Sleeve FL5550 Revitalize your engine with the LA SLEEVE Cylinder Sleeve FL5550, designed to restore performance and extend the life of your cylinders. Crafted with precision and durability in mind, this quality replacement sleeve...
    09310042
    SKU:
    09310042
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    COLOR/FINISH:
    CHROME
    UNITS:
    EACH
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    AC
    BORE SIZE METRIC:
    45.00 MM
    PRODUCT NAME:
    CYLINDER SLEEVE
    RIDING STYLE:
    OFF-ROAD
    $134.95
    Qty in Cart: 0
    Quantity:
    Price:
    $134.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve 54mm Bore Honda CR125R 1987-1988 H5001 LA Sleeve Cylinder Sleeve 54mm Bore Honda CR125R 1987-1988 H5001

    LA Sleeve Cylinder Sleeve 54mm Bore Honda CR125R 1987-1988 H5001

    LA SLEEVE

    $159.95
    LA SLEEVE Cylinder Sleeve H5001 Revitalize your engine with the LA SLEEVE Cylinder Sleeve H5001, designed for optimal performance and durability. This high-quality replacement sleeve ensures a precise fit and enhances the longevity of your cylinders,...
    09310047
    SKU:
    09310047
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    COLOR/FINISH:
    CHROME
    UNITS:
    EACH
    PRODUCT NAME:
    CYLINDER SLEEVE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CS
    BORE SIZE METRIC:
    54.00 MM
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for 2004 Honda CR125R 54mm Bore H5568

    LA Sleeve Cylinder Sleeve for 2004 Honda CR125R 54mm Bore H5568

    LA SLEEVE

    $146.95
    LA SLEEVE Cylinder Sleeve H5568 Revitalize your engine with the LA SLEEVE Cylinder Sleeve H5568, designed to restore the performance of worn-out cylinders. Engineered from high-quality materials, this replacement sleeve ensures a perfect fit and...
    09310059
    SKU:
    09310059
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    BORE SIZE METRIC:
    54.00 MM
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    PRODUCT NAME:
    CYLINDER SLEEVE
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    CHROME
    UNITS:
    EACH
    TYPE:
    AC
    $146.95
    Qty in Cart: 0
    Quantity:
    Price:
    $146.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for Yamaha YFZ450 2004-2013 YA5495 LA Sleeve Cylinder Sleeve for Yamaha YFZ450 2004-2013 YA5495

    LA Sleeve Cylinder Sleeve for Yamaha YFZ450 2004-2013 YA5495

    LA SLEEVE

    $146.95
    LA SLEEVE Cylinder Sleeve YA5495 Revitalize your engine with the LA SLEEVE Cylinder Sleeve YA5495, designed to restore the performance of worn-out cylinders. Crafted from high-quality materials, this replacement sleeve ensures durability and a perfect...
    09310070
    SKU:
    09310070
    Availability:
    Ships Same Business Day
    Weight:
    1.59 LBS
    PRODUCT NAME:
    CYLINDER SLEEVE
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    ALUMINUM
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    BORE SIZE METRIC:
    95.00 MM
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    AC
    $146.95
    Qty in Cart: 0
    Quantity:
    Price:
    $146.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder Kit Kawasaki KX250F 2017-2019 30012-K02

    Cylinder Works Standard Bore Cylinder Kit Kawasaki KX250F 2017-2019 30012-K02

    CYLINDER WORKS

    $652.95
    CYLINDER WORKS Cylinder Kit Standard Bore 30012-K02 Upgrade your engine with the CYLINDER WORKS Cylinder Kit, designed for seamless installation and optimal performance. Crafted to match OEM specifications, this kit ensures a perfect fit while enhancing...
    09310727
    SKU:
    09310727
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    BORE SIZE METRIC:
    77.00 MM
    STYLE:
    STANDARD
    ENGINE TYPE:
    4-CYCLE
    CYLINDER DIAMETER METRIC:
    77.00 MM
    RIDING STYLE:
    OFF-ROAD
    COMPRESSION RATIO IMPERIAL:
    13.4:1
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    77,00 MM
    PRODUCT NAME:
    CYLINDER KIT
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $652.95
    Subtotal:
  • Cylinder Works Kawasaki KX 250 F 2017-2019 Standard Bore High Compression Cylinder Kit 30012-K02HC

    Cylinder Works Kawasaki KX 250 F 2017-2019 Standard Bore High Compression Cylinder Kit 30012-K02HC

    CYLINDER WORKS

    $716.95
    CYLINDER WORKS Cylinder Kit 30012-K02HC Enhance your engine's performance with the CYLINDER WORKS Cylinder Kit 30012-K02HC. This ready-to-install, direct bolt-on solution offers a seamless fit, ensuring your vehicle maintains its original look while...
    09310729
    SKU:
    09310729
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    CYLINDER DIAMETER:
    77,00 MM
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    CYLINDER DIAMETER METRIC:
    77.00 MM
    STYLE:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    77.00 MM
    COMPRESSION RATIO IMPERIAL:
    14.3:1
    Qty in Cart: 0
    Quantity:
    Price:
    $716.95
    Subtotal:
  • Cylinder Works Big Bore Gasket Kit Yamaha YFZ450R 2009-2019 21003-G01

    Cylinder Works Big Bore Gasket Kit Yamaha YFZ450R 2009-2019 21003-G01

    CYLINDER WORKS

    $104.95
    CYLINDER WORKS Big Bore Gasket Kit 21003-G01 Enhance your engine's performance with the CYLINDER WORKS Big Bore Gasket Kit 21003-G01. This ready-to-install kit features direct bolt-on cylinders that seamlessly replace OEM components without the need for...
    09341699
    SKU:
    09341699
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    STYLE:
    BIG BORE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    ATV
    BORE SIZE METRIC:
    OVERSIZED (+3.00 MM)
    MATERIAL:
    NICKEL SILICON CARBIDE
    $104.95
    Qty in Cart: 0
    Quantity:
    Price:
    $104.95
    Subtotal:
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Dirt Bike Engine Parts

Keep your dirt bike running smoothly and prolong the life of its engine with essential general maintenance. But when parts start to break down, don't let it stop you from getting out on the trails! JJ Motorsports has all that you need for minor jobs like oil changes or major overhauls such as a complete rebuild - carrying top aftermarket brands . Get back in gear faster by shopping our full line of high-quality dirt bike engine parts here today at JJ Motorsports!

 

At JJ Motorsports, we want to make sure you don't miss out on the ride! If your motor has blown or radiator smashed, our gearheads can help get you back in the seat. We carry piston kits from top brands like Wiseco and Wrench Rabbit engine kits so that riders have access to a wide range of parts for their dirt bike engine rebuilds. Plus – with gaskets at-the-ready when it comes time for any leakages - no need to worry about maintenance issues either; simply stay up on oil & filter changes and let us take care of everything else. Got queries? Just give one of our knowledgeable staff members a call at 1-231‐767‐5055 where they'll be more than happy provide advice, instructions and tailored answers catered just for YOU!