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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
  • LA Sleeve Cylinder Sleeve for 1992 Kawasaki KX250 66.40mm Bore KA5153

    LA Sleeve Cylinder Sleeve for 1992 Kawasaki KX250 66.40mm Bore KA5153

    LA SLEEVE

    $171.95
    LA SLEEVE Cylinder Sleeve KA5153 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5153, designed for optimal performance and durability. This high-quality replacement sleeve ensures a perfect fit, restoring your old cylinders to their former...
    KA5153
    SKU:
    KA5153
    Availability:
    Ships Same Business Day
    Weight:
    1.45 LBS
    UNITS:
    EACH
    COLOR/FINISH:
    CHROME
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AC
    BORE SIZE METRIC:
    66.40 MM
    PRODUCT NAME:
    CYLINDER SLEEVE
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve 54mm Bore Kawasaki KX125 1992 KA5154

    LA Sleeve Cylinder Sleeve 54mm Bore Kawasaki KX125 1992 KA5154

    LA SLEEVE

    $151.95
    LA SLEEVE Cylinder Sleeve KA5154 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5154, designed to restore performance and extend the life of your cylinders. Crafted with precision and durability in mind, this replacement sleeve ensures a...
    KA5154
    SKU:
    KA5154
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AC
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    CYLINDER SLEEVE
    UNITS:
    EACH
    BORE SIZE METRIC:
    54.00 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $151.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for Kawasaki KX125 1993 54mm Bore KA5179

    LA Sleeve Cylinder Sleeve for Kawasaki KX125 1993 54mm Bore KA5179

    LA SLEEVE

    $151.95
    LA SLEEVE Cylinder Sleeve KA5179 Revitalize your engine's performance with the LA SLEEVE Cylinder Sleeve KA5179. Designed for precision and durability, this quality replacement sleeve ensures your old cylinders operate like new, enhancing overall...
    KA5179
    SKU:
    KA5179
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    BORE SIZE METRIC:
    54.00 MM
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    OFF-ROAD
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    PRODUCT NAME:
    CYLINDER SLEEVE
    UNITS:
    EACH
    TYPE:
    AC
    $151.95
    Qty in Cart: 0
    Quantity:
    Price:
    $151.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for 1993 Kawasaki KX250 66.40mm Bore KA5180

    LA Sleeve Cylinder Sleeve for 1993 Kawasaki KX250 66.40mm Bore KA5180

    LA SLEEVE

    $171.95
    LA SLEEVE Cylinder Sleeve KA5180 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5180, designed for optimal performance and durability. This high-quality replacement sleeve offers a perfect fit for your engine, ensuring smooth operation and...
    KA5180
    SKU:
    KA5180
    Availability:
    Ships Same Business Day
    Weight:
    1.42 LBS
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    AC
    BORE SIZE METRIC:
    66.40 MM
    PRODUCT NAME:
    CYLINDER SLEEVE
    UNITS:
    EACH
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    OFF-ROAD
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve 1995 Kawasaki KX125 54mm Bore KA5251

    LA Sleeve Cylinder Sleeve 1995 Kawasaki KX125 54mm Bore KA5251

    LA SLEEVE

    $151.95
    LA SLEEVE Cylinder Sleeve KA5251 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5251, designed for exceptional durability and performance. This high-quality replacement sleeve ensures a perfect fit, restoring your cylinder's functionality...
    KA5251
    SKU:
    KA5251
    Availability:
    Ships Same Business Day
    Weight:
    0.68 LBS
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AC
    COLOR/FINISH:
    CHROME
    UNITS:
    EACH
    BORE SIZE METRIC:
    54.00 MM
    PRODUCT NAME:
    CYLINDER SLEEVE
    $151.95
    Qty in Cart: 0
    Quantity:
    Price:
    $151.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for Kawasaki KDX200 1995-2006 KA5252

    LA Sleeve Cylinder Sleeve for Kawasaki KDX200 1995-2006 KA5252

    LA SLEEVE

    $151.95
    LA SLEEVE Cylinder Sleeve KA5252 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5252, designed to restore performance and extend the life of your cylinders. Crafted with precision and durability in mind, this replacement sleeve ensures...
    KA5252
    SKU:
    KA5252
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    UNITS:
    EACH
    BORE SIZE METRIC:
    66.00 MM
    COLOR/FINISH:
    CHROME
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AC
    PRODUCT NAME:
    CYLINDER SLEEVE
    $151.95
    Qty in Cart: 0
    Quantity:
    Price:
    $151.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve 66.4mm Bore Kawasaki KX250 1995 KA5253

    LA Sleeve Cylinder Sleeve 66.4mm Bore Kawasaki KX250 1995 KA5253

    LA SLEEVE

    $171.95
    LA SLEEVE Cylinder Sleeve KA5253 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5253, engineered for superior performance and durability. Designed to restore the functionality of worn-out cylinders, this high-quality replacement sleeve...
    KA5253
    SKU:
    KA5253
    Availability:
    Ships Same Business Day
    Weight:
    1.42 LBS
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    66.40 MM
    PRODUCT NAME:
    CYLINDER SLEEVE
    UNITS:
    EACH
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    AC
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for Kawasaki KX100 1995-1997 KA5263

    LA Sleeve Cylinder Sleeve for Kawasaki KX100 1995-1997 KA5263

    LA SLEEVE

    $134.95
    LA SLEEVE Cylinder Sleeve KA5263 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5263, designed to restore performance and extend the life of your cylinders. Crafted from high-quality materials, this replacement sleeve ensures a perfect fit...
    KA5263
    SKU:
    KA5263
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    52.50 MM
    PRODUCT NAME:
    CYLINDER SLEEVE
    UNITS:
    EACH
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    AC
    Qty in Cart: 0
    Quantity:
    Price:
    $134.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve Kawasaki KX-450F 2008-2010 KA5307

    LA Sleeve Cylinder Sleeve Kawasaki KX-450F 2008-2010 KA5307

    LA SLEEVE

    $151.95
    LA SLEEVE Cylinder Sleeve KA5307 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5307, designed for exceptional performance and durability. This high-quality replacement sleeve ensures a perfect fit, allowing your old cylinders to regain...
    KA5307
    SKU:
    KA5307
    Availability:
    Ships Same Business Day
    Weight:
    0.68 LBS
    BORE SIZE METRIC:
    54.00 MM
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    CYLINDER SLEEVE
    UNITS:
    EACH
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AC
    Qty in Cart: 0
    Quantity:
    Price:
    $151.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for Kawasaki KX80 1995-1997 48mm Bore KA5316

    LA Sleeve Cylinder Sleeve for Kawasaki KX80 1995-1997 48mm Bore KA5316

    LA SLEEVE

    $134.95
    LA SLEEVE Cylinder Sleeve KA5316 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5316, designed for exceptional performance and durability. This high-quality replacement sleeve is engineered to restore the functionality of old cylinders,...
    KA5316
    SKU:
    KA5316
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE SIZE METRIC:
    48.00 MM
    UNITS:
    EACH
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    OFF-ROAD
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    PRODUCT NAME:
    CYLINDER SLEEVE
    TYPE:
    AC
    $134.95
    Qty in Cart: 0
    Quantity:
    Price:
    $134.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve 66.4mm 1994 Kawasaki KX80 KA5321

    LA Sleeve Cylinder Sleeve 66.4mm 1994 Kawasaki KX80 KA5321

    LA SLEEVE

    $171.95
    LA SLEEVE Cylinder Sleeve KA5321 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5321, designed to restore performance and extend the life of your cylinders. Crafted with precision, this quality replacement sleeve ensures a perfect fit and...
    KA5321
    SKU:
    KA5321
    Availability:
    Ships Same Business Day
    Weight:
    1.42 LBS
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    AC
    BORE SIZE METRIC:
    66.40 MM
    PRODUCT NAME:
    CYLINDER SLEEVE
    UNITS:
    EACH
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    OFF-ROAD
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve 1998-1999 Kawasaki KX250 66.40mm Bore KA5350

    LA Sleeve Cylinder Sleeve 1998-1999 Kawasaki KX250 66.40mm Bore KA5350

    LA SLEEVE

    $171.95
    LA SLEEVE Cylinder Sleeve KA5350 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5350, expertly designed to restore the performance of worn-out cylinders. Engineered for precision and durability, this replacement sleeve ensures a perfect fit...
    KA5350
    SKU:
    KA5350
    Availability:
    Ships Same Business Day
    Weight:
    1.42 LBS
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AC
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    CYLINDER SLEEVE
    UNITS:
    EACH
    BORE SIZE METRIC:
    66.40 MM
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve 48mm Bore Kawasaki KX80 1998-2000 KA5351

    LA Sleeve Cylinder Sleeve 48mm Bore Kawasaki KX80 1998-2000 KA5351

    LA SLEEVE

    $134.95
    LA SLEEVE Cylinder Sleeve KA5351 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5351, designed to restore performance and extend the life of your cylinders. Crafted from high-quality materials, this replacement sleeve ensures a perfect fit...
    KA5351
    SKU:
    KA5351
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE SIZE METRIC:
    48.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    CHROME
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    PRODUCT NAME:
    CYLINDER SLEEVE
    TYPE:
    AC
    $134.95
    Qty in Cart: 0
    Quantity:
    Price:
    $134.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for 1998-1999 Kawasaki KX125 54mm Bore KA5354

    LA Sleeve Cylinder Sleeve for 1998-1999 Kawasaki KX125 54mm Bore KA5354

    LA SLEEVE

    $151.95
    LA SLEEVE Cylinder Sleeve KA5354 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5354, a premium quality replacement designed to restore performance and extend the life of your old cylinders. Crafted with precision, this cylinder sleeve...
    KA5354
    SKU:
    KA5354
    Availability:
    Ships Same Business Day
    Weight:
    0.68 LBS
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    BORE SIZE METRIC:
    54.00 MM
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    PRODUCT NAME:
    CYLINDER SLEEVE
    TYPE:
    AC
    $151.95
    Qty in Cart: 0
    Quantity:
    Price:
    $151.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for 2000 Kawasaki KX250 66.4mm Bore KA5422

    LA Sleeve Cylinder Sleeve for 2000 Kawasaki KX250 66.4mm Bore KA5422

    LA SLEEVE

    $171.95
    LA SLEEVE Cylinder Sleeve KA5422 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5422, designed for optimal performance and durability. This high-quality replacement sleeve is engineered to restore the functionality of worn-out cylinders,...
    KA5422
    SKU:
    KA5422
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    CYLINDER SLEEVE
    UNITS:
    EACH
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AC
    BORE SIZE METRIC:
    66.40 MM
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve Kawasaki KX250 2001 66.40mm Bore KA5481

    LA Sleeve Cylinder Sleeve Kawasaki KX250 2001 66.40mm Bore KA5481

    LA SLEEVE

    $171.95
    LA SLEEVE Cylinder Sleeve KA5481 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5481, designed for optimal performance and durability. This high-quality replacement sleeve breathes new life into worn cylinders, ensuring reliable operation...
    KA5481
    SKU:
    KA5481
    Availability:
    Ships Same Business Day
    Weight:
    1.42 LBS
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    PRODUCT NAME:
    CYLINDER SLEEVE
    TYPE:
    AC
    BORE SIZE METRIC:
    66.40 MM
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve 43mm Bore Kawasaki KX60 1985-2003 Suzuki RM60 2003 KA935

    LA Sleeve Cylinder Sleeve 43mm Bore Kawasaki KX60 1985-2003 Suzuki RM60 2003 KA935

    LA SLEEVE

    $103.95
    LA SLEEVE Cylinder Sleeve KA935 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA935, designed to restore the integrity and performance of worn-out cylinders. Crafted with precision, this high-quality replacement sleeve ensures a perfect fit...
    KA935
    SKU:
    KA935
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    BORE SIZE METRIC:
    43.00 MM
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    AC
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    CYLINDER SLEEVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $103.95
    Qty in Cart: 0
    Quantity:
    Price:
    $103.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for Kawasaki KX500 1989-2004 KA5087

    LA Sleeve Cylinder Sleeve for Kawasaki KX500 1989-2004 KA5087

    LA SLEEVE

    $188.95
    LA SLEEVE Cylinder Sleeve KA5087 Revitalize your engine with the LA SLEEVE Cylinder Sleeve KA5087, designed for optimal performance and durability. This high-quality replacement sleeve ensures a perfect fit and enhances the longevity of your cylinders,...
    KA5087X
    SKU:
    KA5087X
    Availability:
    Ships Same Business Day
    Weight:
    2.10 LBS
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    AC
    BORE SIZE METRIC:
    86.00 MM
    PRODUCT NAME:
    CYLINDER SLEEVE
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    CHROME
    UNITS:
    EACH
    $188.95
    Qty in Cart: 0
    Quantity:
    Price:
    $188.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve Honda TRX250R 1987-1989 H5032

    LA Sleeve Cylinder Sleeve Honda TRX250R 1987-1989 H5032

    LA SLEEVE

    $165.95
    LA SLEEVE Cylinder Sleeve H5032 Revitalize your engine with the LA SLEEVE Cylinder Sleeve H5032, designed for optimal performance and durability. This high-quality replacement sleeve helps restore old cylinders to like-new condition, ensuring your engine...
    H5032
    SKU:
    H5032
    Availability:
    Ships Same Business Day
    Weight:
    1.38 LBS
    BORE SIZE METRIC:
    66.00 MM
    COLOR/FINISH:
    ALUMINUM
    PRODUCT NAME:
    CYLINDER SLEEVE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    CI
    $165.95
    Qty in Cart: 0
    Quantity:
    Price:
    $165.95
    Subtotal:
  • LA Sleeve Cylinder Sleeve for Honda TRX300EX 1993-2008 74.00mm H5062

    LA Sleeve Cylinder Sleeve for Honda TRX300EX 1993-2008 74.00mm H5062

    LA SLEEVE

    $128.95
    LA SLEEVE Cylinder Sleeve H5062 Revitalize your engine with the LA SLEEVE Cylinder Sleeve H5062, designed for superior performance and longevity. Crafted from high-quality materials, this replacement sleeve ensures a perfect fit and optimal...
    H5062
    SKU:
    H5062
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    COLOR/FINISH:
    ALUMINUM
    PRODUCT NAME:
    CYLINDER SLEEVE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    BORE SIZE METRIC:
    74.00 MM
    CYLINDER BORE COATING:
    CHROME-MOLY ALLOY
    TYPE:
    RS
    $128.95
    Qty in Cart: 0
    Quantity:
    Price:
    $128.95
    Subtotal:
  • Total: items /

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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!