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Dirt Bike Engine

Dirt Bike Engine

Dirt Bike Engine

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  • Price
  • Subtotal
  • CYLINDER WORKS Cylinder - Standard 10004

    CYLINDER WORKS Cylinder - Standard 10004

    CYLINDER WORKS

    $328.95
    CYLINDER WORKS Cylinder Standard 10004Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Nickel Silicon Carbide plated for long life, Big bore cylinders do not require machine work, Made in...
    09310163
    SKU:
    09310163
    Availability:
    Ships Same Business Day
    Weight:
    2.35 LBS
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    66.00 MM
    UNITS:
    EACH
    CYLINDER DIAMETER:
    66,00 MM
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER
    CYLINDER DIAMETER METRIC:
    66.00 MM
    STYLE:
    STANDARD
    $328.95
    Qty in Cart: 0
    Quantity:
    Price:
    $328.95
    Subtotal:
  • CYLINDER WORKS Cylinder Big Bore Kit 31001-K01

    CYLINDER WORKS Cylinder Big Bore Kit 31001-K01

    CYLINDER WORKS

    $731.95
    CYLINDER WORKS Cylinder Big Bore Kit 31001-K01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...
    09310120
    SKU:
    09310120
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    COMPRESSION RATIO IMPERIAL:
    13.2:1
    CYLINDER DIAMETER METRIC:
    80.00 MM
    OVERBORE METRIC:
    +3.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    80,00 MM
    DISPLACEMENT:
    269 CC
    STYLE:
    BIG BORE
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    $731.95
    Qty in Cart: 0
    Quantity:
    Price:
    $731.95
    Subtotal:
  • CYLINDER WORKS Cylinder - Standard 10001

    CYLINDER WORKS Cylinder - Standard 10001

    CYLINDER WORKS

    $340.95
    CYLINDER WORKS Cylinder Standard 10001Ready-to-install, direct bolt-on cylinder requires no re-plating and looks virtually identical to the OEM cylinders, Nickel silicon carbide-plated for long life, Made in the U.S.A.
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $340.95
    Subtotal:
  • CYLINDER WORKS Big Bore Gasket Kit 41004-G01

    CYLINDER WORKS Big Bore Gasket Kit 41004-G01

    CYLINDER WORKS

    $579.95
    CYLINDER WORKS Big Bore Gasket Kit 41004-G01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...
    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
    $579.95
    Qty in Cart: 0
    Quantity:
    Price:
    $579.95
    Subtotal:
  • On Sale
    CYLINDER WORKS Big Bore Gasket Kit 51004-G01 CYLINDER WORKS Big Bore Gasket Kit 51004-G01

    CYLINDER WORKS Big Bore Gasket Kit 51004-G01

    CYLINDER WORKS

    MSRP: $128.95
    Now: $84.00
    Was: $131.95
    CYLINDER WORKS Big Bore Gasket Kit 51004-G01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...
    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: $128.95
    Now: $84.00
    Was: $131.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $128.95
    Now: $84.00
    Was: $131.95
    Subtotal:
  • CYLINDER WORKS Big Bore Gasket Kit 21010-G01

    CYLINDER WORKS Big Bore Gasket Kit 21010-G01

    CYLINDER WORKS

    $99.95
    CYLINDER WORKS Big Bore Gasket Kit 21010-G01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • On Sale
    CYLINDER WORKS Big Bore Gasket Kit 31011-G01

    CYLINDER WORKS Big Bore Gasket Kit 31011-G01

    CYLINDER WORKS

    MSRP: $89.95
    Now: $58.00
    Was: $89.95
    CYLINDER WORKS Big Bore Gasket Kit 31011-G01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...
    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: $89.95
    Now: $58.00
    Was: $89.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $89.95
    Now: $58.00
    Was: $89.95
    Subtotal:
  • CYLINDER WORKS Cylinder Head Kit CH1001-K01 CYLINDER WORKS Cylinder Head Kit CH1001-K01

    CYLINDER WORKS Cylinder Head Kit CH1001-K01

    CYLINDER WORKS

    $548.95
    CYLINDER WORKS Cylinder Head Kit CH1001-K01New replacement cylinder head, Include cam caps and cam cap bolts, Include C630 (nickel/aluminum/bronze) valve seats and guides, Competition valve job, Shortened valve guides to accept higher lift cams,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $548.95
    Subtotal:
  • CYLINDER WORKS Cylinder Head Kit CH1002-K01

    CYLINDER WORKS Cylinder Head Kit CH1002-K01

    CYLINDER WORKS

    $548.95
    CYLINDER WORKS Cylinder Head Kit CH1002-K01New replacement cylinder head, Include cam caps and cam cap bolts, Include C630 (nickel/aluminum/bronze) valve seats and guides, Competition valve job, Shortened valve guides to accept higher lift cams,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $548.95
    Subtotal:
  • CYLINDER WORKS Cylinder Head Kit CH1003-K01

    CYLINDER WORKS Cylinder Head Kit CH1003-K01

    CYLINDER WORKS

    $548.95
    CYLINDER WORKS Cylinder Head Kit CH1003-K01New replacement cylinder head, Include cam caps and cam cap bolts, Include C630 (nickel/aluminum/bronze) valve seats and guides, Competition valve job, Shortened valve guides to accept higher lift cams,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $548.95
    Subtotal:
  • CYLINDER WORKS Cylinder Head Kit CH2001-K01

    CYLINDER WORKS Cylinder Head Kit CH2001-K01

    CYLINDER WORKS

    $243.95
    CYLINDER WORKS Cylinder Head Kit CH2001-K01New replacement cylinder head, Include cam caps and cam cap bolts, Include C630 (nickel/aluminum/bronze) valve seats and guides, Competition valve job, Shortened valve guides to accept higher lift cams,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $243.95
    Subtotal:
  • CYLINDER WORKS Cylinder Kit - High Compression 10007-K02HC

    CYLINDER WORKS Cylinder Kit - High Compression 10007-K02HC

    CYLINDER WORKS

    $589.95
    CYLINDER WORKS Cylinder Kit High Compression 10007-K02HCReady-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $589.95
    Subtotal:
  • CYLINDER WORKS Cylinder Kit - Standard Bore 30006-K02

    CYLINDER WORKS Cylinder Kit - Standard Bore 30006-K02

    CYLINDER WORKS

    $629.95
    CYLINDER WORKS Cylinder Kit Standard Bore 30006-K02Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $629.95
    Subtotal:
  • CYLINDER WORKS Cylinder Kit - Standard Bore 30011-K01

    CYLINDER WORKS Cylinder Kit - Standard Bore 30011-K01

    CYLINDER WORKS

    $627.95
    CYLINDER WORKS Cylinder Kit Standard Bore 30011-K01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $627.95
    Subtotal:
  • CYLINDER WORKS Cylinder Kit - Standard Bore 30011-K03

    CYLINDER WORKS Cylinder Kit - Standard Bore 30011-K03

    CYLINDER WORKS

    $639.95
    CYLINDER WORKS Cylinder Kit Standard Bore 30011-K03Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $639.95
    Subtotal:
  • CYLINDER WORKS Cylinder - Standard 30006-K01

    CYLINDER WORKS Cylinder - Standard 30006-K01

    CYLINDER WORKS

    $617.95
    CYLINDER WORKS Cylinder Standard 30006-K01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $617.95
    Subtotal:
  • CYLINDER WORKS Cylinder Kit - Standard 10004-K02

    CYLINDER WORKS Cylinder Kit - Standard 10004-K02

    CYLINDER WORKS

    $499.95
    CYLINDER WORKS Cylinder Kit Standard 10004-K02Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $499.95
    Subtotal:
  • CYLINDER WORKS Cylinder Kit - Standard 51004-K01

    CYLINDER WORKS Cylinder Kit - Standard 51004-K01

    CYLINDER WORKS

    $936.95
    CYLINDER WORKS Cylinder Kit Standard 51004-K01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $936.95
    Subtotal:
  • CYLINDER WORKS Cylinder - Standard - CRF450R 10006 CYLINDER WORKS Cylinder - Standard - CRF450R 10006

    CYLINDER WORKS Cylinder - Standard - CRF450R 10006

    CYLINDER WORKS

    $445.95
    CYLINDER WORKS Cylinder Standard CRF450R 10006Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Nickel Silicon Carbide plated for long life, Big bore cylinders do not require machine work,...
    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
    $445.95
    Qty in Cart: 0
    Quantity:
    Price:
    $445.95
    Subtotal:
  • CYLINDER WORKS Cylinder - Standard - CRF250R 10007 CYLINDER WORKS Cylinder - Standard - CRF250R 10007

    CYLINDER WORKS Cylinder - Standard - CRF250R 10007

    CYLINDER WORKS

    $377.95
    CYLINDER WORKS Cylinder Standard CRF250R 10007Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Nickel Silicon Carbide plated for long life, Big bore cylinders do not require machine work,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $377.95
    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!