Dirt Bike Engine

Dirt Bike Engine

Dirt Bike Engine

Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    JAMES GASKET Cam Chain Tensioner Gasket ST-25500005

    JAMES GASKET Cam Chain Tensioner Gasket ST-25500005

    JAMES GASKET

    MSRP: $48.95
    Now: $29.00
    Was: $48.95
    JAMES GASKET Cam Chain Tensioner Gasket ST-25500005Foamet feature an aluminum core coated on two sides with expanded nitrile rubber, then coated with a silicone release coating to ensure a positive seal with excellent release characteristic upon...
    09346478
    SKU:
    09346478
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    2 PACK
    TYPE:
    CAM CHAIN TENSIONER
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    MSRP: $48.95
    Now: $29.00
    Was: $48.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $48.95
    Now: $29.00
    Was: $48.95
    Subtotal:
  • JAMES GASKET Primary Gasket 60538-81-CF

    JAMES GASKET Primary Gasket 60538-81-CF

    JAMES GASKET

    $52.95
    JAMES GASKET Primary Gasket 60538-81-CFTop quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.
    09344629
    SKU:
    09344629
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    FEATURES:
    BEADED
    MATERIAL:
    FOAMET
    TYPE:
    COVER
    UNITS:
    EACH
    MATERIAL:
    SILICONE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    STYLE:
    PRIMARY
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • JAMES GASKET Primary Gasket 34901-94-F

    JAMES GASKET Primary Gasket 34901-94-F

    JAMES GASKET

    $52.95
    JAMES GASKET Primary Gasket 34901-94-FTop quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.
    09344630
    SKU:
    09344630
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    FEATURES:
    BEADED
    UNITS:
    EACH
    MATERIAL:
    FOAMET
    STYLE:
    PRIMARY
    MATERIAL:
    SILICONE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    TYPE:
    COVER
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • JAMES GASKET Inspection Cover Gasket 34906-85-F

    JAMES GASKET Inspection Cover Gasket 34906-85-F

    JAMES GASKET

    $25.40
    JAMES GASKET Inspection Cover Gasket 34906-85-FLatest additions to our line of high-quality genuine James gaskets, seals and O-rings, Cover seals are a seal, not a gasket, Cover seals are molded rubber, beaded oil seals with metal inserts and work with...
    09344632
    SKU:
    09344632
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    STYLE:
    PRIMARY
    TYPE:
    INSPECTION COVER
    UNITS:
    5 PACK
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    MATERIAL:
    FOAMET
    $25.40
    Qty in Cart: 0
    Quantity:
    Price:
    $25.40
    Subtotal:
  • JAMES GASKET Inspection Cover Gasket - Buell 34819-03-F

    JAMES GASKET Inspection Cover Gasket - Buell 34819-03-F

    JAMES GASKET

    $16.90
    JAMES GASKET Inspection Cover Gasket Buell 34819-03-FLatest additions to our line of high-quality genuine James gaskets, seals and O-rings, Cover seals are a seal, not a gasket, Cover seals are molded rubber, beaded oil seals with metal inserts and work...
    09344633
    SKU:
    09344633
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    GASKET
    STYLE:
    PRIMARY
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    INSPECTION COVER
    UNITS:
    5 PACK
    MATERIAL:
    FOAMET
    $16.90
    Qty in Cart: 0
    Quantity:
    Price:
    $16.90
    Subtotal:
  • JAMES GASKET Transmission Cover Gasket - FLT 34904-86-F

    JAMES GASKET Transmission Cover Gasket - FLT 34904-86-F

    JAMES GASKET

    $25.50
    JAMES GASKET Transmission Cover Gasket FLT 34904-86-FMade in the U.S.A.
    09344634
    SKU:
    09344634
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    FOAMET
    TYPE:
    TRANSMISSION TOP COVER
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    $25.50
    Qty in Cart: 0
    Quantity:
    Price:
    $25.50
    Subtotal:
  • JAMES GASKET Trans Bearing Gasket - 5 Speed 35652-79-F

    JAMES GASKET Trans Bearing Gasket - 5 Speed 35652-79-F

    JAMES GASKET

    $20.70
    JAMES GASKET Trans Bearing Gasket 5 Speed 35652-79-FFoamet® product lines features an aluminum core coated on two sides with expanded nitrile rubber, then coated with a silicone releasing coating to ensure a positive seal with excellent release...
    09344636
    SKU:
    09344636
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    STYLE:
    5-SPEED
    UNITS:
    5 PACK
    TYPE:
    BEARING HOUSING
    MATERIAL:
    FOAMET
    $20.70
    Qty in Cart: 0
    Quantity:
    Price:
    $20.70
    Subtotal:
  • JAMES GASKET Trans Cover Gasket 4 Speed 34824-36-F

    JAMES GASKET Trans Cover Gasket 4 Speed 34824-36-F

    JAMES GASKET

    $15.60
    JAMES GASKET Trans Cover Gasket 4 Speed 34824-36-FMade in the U.S.A.
    09344640
    SKU:
    09344640
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    STYLE:
    4-SPEED
    UNITS:
    5 PACK
    MATERIAL:
    FOAMET
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    TYPE:
    TRANSMISSION TOP COVER
    $15.60
    Qty in Cart: 0
    Quantity:
    Price:
    $15.60
    Subtotal:
  • JAMES GASKET Trans Cover Gasket - FXD 34917-90-F

    JAMES GASKET Trans Cover Gasket - FXD 34917-90-F

    JAMES GASKET

    $33.60
    JAMES GASKET Trans Cover Gasket FXD 34917-90-FMade in the U.S.A.
    09344641
    SKU:
    09344641
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    FOAMET
    UNITS:
    5 PACK
    TYPE:
    TRANSMISSION TOP COVER
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    $33.60
    Qty in Cart: 0
    Quantity:
    Price:
    $33.60
    Subtotal:
  • JAMES GASKET Trans Cover Gasket - FXD 34917-99-F

    JAMES GASKET Trans Cover Gasket - FXD 34917-99-F

    JAMES GASKET

    $29.95
    JAMES GASKET Trans Cover Gasket FXD 34917-99-FMade in the U.S.A.
    09344642
    SKU:
    09344642
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    FOAMET
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    TYPE:
    TRANSMISSION TOP COVER
    UNITS:
    EACH
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • JAMES GASKET Breather Cover Gasket - Twin Cam 17591-99-F

    JAMES GASKET Breather Cover Gasket - Twin Cam 17591-99-F

    JAMES GASKET

    $13.10
    JAMES GASKET Breather Cover Gasket Twin Cam 17591-99-FMade in the U.S.A.
    09345084
    SKU:
    09345084
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    TYPE:
    BREATHER
    UNITS:
    5 PACK
    $13.10
    Qty in Cart: 0
    Quantity:
    Price:
    $13.10
    Subtotal:
  • JAMES GASKET Breather Baffle Gasket - Twin Cam 17592-99-F

    JAMES GASKET Breather Baffle Gasket - Twin Cam 17592-99-F

    JAMES GASKET

    $13.10
    JAMES GASKET Breather Baffle Gasket Twin Cam 17592-99-FMade in the U.S.A.
    09345085
    SKU:
    09345085
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    GASKET
    TYPE:
    BREATHER
    RIDING STYLE:
    STREET
    TYPE:
    BAFFLE
    UNITS:
    5 PACK
    $13.10
    Qty in Cart: 0
    Quantity:
    Price:
    $13.10
    Subtotal:
  • JAMES GASKET Head Gasket - .046 - Twin Cam 16775-99

    JAMES GASKET Head Gasket - .046 - Twin Cam 16775-99

    JAMES GASKET

    $43.00
    JAMES GASKET Head Gasket .046 Twin Cam 16775-99Made in the U.S.A.
    09342186
    SKU:
    09342186
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    BORE SIZE IMPERIAL:
    3.750'
    FEATURES:
    FIRE RING
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS IMPERIAL:
    0,046'
    UNITS:
    5 PACK
    THICKNESS:
    1,17 MM (0,046')
    TYPE:
    CYLINDER HEAD
    BORE SIZE:
    3,750'
    THICKNESS METRIC:
    1.17 MM
    $43.00
    Qty in Cart: 0
    Quantity:
    Price:
    $43.00
    Subtotal:
  • JAMES GASKET Head Gasket - FL 16770-36

    JAMES GASKET Head Gasket - FL 16770-36

    JAMES GASKET

    $35.30
    JAMES GASKET Head Gasket FL 16770-36Made in the U.S.A.
    09342187
    SKU:
    09342187
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    FEATURES:
    FIRE RING
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    MATERIAL:
    TEFLON
    TYPE:
    CYLINDER HEAD
    $35.30
    Qty in Cart: 0
    Quantity:
    Price:
    $35.30
    Subtotal:
  • JAMES GASKET Rocker Cover Gasket - Big Twin 17540-69-X

    JAMES GASKET Rocker Cover Gasket - Big Twin 17540-69-X

    JAMES GASKET

    $47.50
    JAMES GASKET Rocker Cover Gasket Big Twin 17540-69-XMade from a solid steel sheet coated on two sides with a high-temperature elastomer. Strategically placed elastomer beading helps ensure a positive seal while our clear silicone conformal coating fills...
    09342189
    SKU:
    09342189
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MATERIAL:
    PAPER
    RIDING STYLE:
    STREET
    MATERIAL:
    SILICONE
    PRODUCT NAME:
    GASKET
    TYPE:
    ROCKER COVER
    FEATURES:
    BEADED
    THICKNESS:
    0,51 MM (0,020')
    THICKNESS METRIC:
    0.51 MM
    THICKNESS IMPERIAL:
    0,020'
    UNITS:
    5 PACK
    $47.50
    Qty in Cart: 0
    Quantity:
    Price:
    $47.50
    Subtotal:
  • JAMES GASKET Head Gasket - FL 16770-66-A

    JAMES GASKET Head Gasket - FL 16770-66-A

    JAMES GASKET

    $33.90
    JAMES GASKET Head Gasket FL 16770-66-AMade in the U.S.A.
    09342190
    SKU:
    09342190
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS IMPERIAL:
    0,045'
    THICKNESS METRIC:
    1.14 MM
    UNITS:
    5 PACK
    MATERIAL:
    TEFLON
    THICKNESS:
    1,14 MM (0,045')
    TYPE:
    CYLINDER HEAD
    $33.90
    Qty in Cart: 0
    Quantity:
    Price:
    $33.90
    Subtotal:
  • JAMES GASKET Head Gasket - Big Twin 16770-48

    JAMES GASKET Head Gasket - Big Twin 16770-48

    JAMES GASKET

    $35.30
    JAMES GASKET Head Gasket Big Twin 16770-48Made in the U.S.A.
    09342191
    SKU:
    09342191
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    UNITS:
    5 PACK
    PRODUCT NAME:
    GASKET
    TYPE:
    CYLINDER HEAD
    MATERIAL:
    PAPER
    RIDING STYLE:
    STREET
    $35.30
    Qty in Cart: 0
    Quantity:
    Price:
    $35.30
    Subtotal:
  • JAMES GASKET Head Gasket - Twin Can - .036" 16775-99-X

    JAMES GASKET Head Gasket - Twin Can - .036" 16775-99-X

    JAMES GASKET

    $43.00
    JAMES GASKET Head Gasket Twin Can .036" 16775-99-XMade in the U.S.A.
    09342192
    SKU:
    09342192
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    BORE SIZE:
    3,750'
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    THICKNESS METRIC:
    0.91 MM
    MATERIAL:
    SILICONE
    THICKNESS:
    0,91 MM (0,036')
    THICKNESS IMPERIAL:
    0,036'
    TYPE:
    CYLINDER HEAD
    BORE SIZE IMPERIAL:
    3.750'
    FEATURES:
    FIRE RING
    UNITS:
    5 PACK
    $43.00
    Qty in Cart: 0
    Quantity:
    Price:
    $43.00
    Subtotal:
  • JAMES GASKET Top End Gasket Kit - FL/FLH 17034-48-XF

    JAMES GASKET Top End Gasket Kit - FL/FLH 17034-48-XF

    JAMES GASKET

    $83.95
    JAMES GASKET Top End Gasket Kit FL/FLH 17034-48-XFTop-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.
    09343127
    SKU:
    09343127
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    $83.95
    Qty in Cart: 0
    Quantity:
    Price:
    $83.95
    Subtotal:
  • JAMES GASKET Trans Top Cover - Dyna 34917-99

    JAMES GASKET Trans Top Cover - Dyna 34917-99

    JAMES GASKET

    $25.95
    JAMES GASKET Trans Top Cover Dyna 34917-99Made in the U.S.A.
    DS173191
    SKU:
    DS173191
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    UNITS:
    5 PACK
    MATERIAL:
    PAPER
    PRODUCT NAME:
    GASKET
    FEATURES:
    BEADED
    TYPE:
    TRANSMISSION
    MOUNTING POSITION:
    TOP COVER
    RIDING STYLE:
    STREET
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • Total: items /

Adding your products to cart

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!