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
  • JAMES GASKET Intake/Carb Gasket Kit 27002-78

    JAMES GASKET Intake/Carb Gasket Kit 27002-78

    JAMES GASKET

    $18.95
    JAMES GASKET Intake/Carb Gasket Kit 27002-78Kits contain carb-to-intake seal and two intake-to-cylinder head seals
    09341610
    SKU:
    09341610
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    INTAKE MANIFOLD
    RIDING STYLE:
    STREET
    $18.95
    Qty in Cart: 0
    Quantity:
    Price:
    $18.95
    Subtotal:
  • JAMES GASKET Trans Gasket Kit - FXD 33031-05

    JAMES GASKET Trans Gasket Kit - FXD 33031-05

    JAMES GASKET

    $120.95
    JAMES GASKET Trans Gasket Kit FXD 33031-05Made in the U.S.A.
    09341618
    SKU:
    09341618
    Availability:
    Ships Same Business Day
    Weight:
    0.53 LBS
    RIDING STYLE:
    STREET
    TYPE:
    TRANSMISSION
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    $120.95
    Qty in Cart: 0
    Quantity:
    Price:
    $120.95
    Subtotal:
  • JAMES GASKET Trans Gasket Kit - FXD 33031-06

    JAMES GASKET Trans Gasket Kit - FXD 33031-06

    JAMES GASKET

    $120.95
    JAMES GASKET Trans Gasket Kit FXD 33031-06Made in the U.S.A.
    09341619
    SKU:
    09341619
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    RIDING STYLE:
    STREET
    TYPE:
    TRANSMISSION
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    $120.95
    Qty in Cart: 0
    Quantity:
    Price:
    $120.95
    Subtotal:
  • JAMES GASKET Trans Gasket Kit - FL 33031-07

    JAMES GASKET Trans Gasket Kit - FL 33031-07

    JAMES GASKET

    $120.95
    JAMES GASKET Trans Gasket Kit FL 33031-07Made in the U.S.A.
    09341620
    SKU:
    09341620
    Availability:
    Ships Same Business Day
    Weight:
    0.59 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TRANSMISSION
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    $120.95
    Qty in Cart: 0
    Quantity:
    Price:
    $120.95
    Subtotal:
  • JAMES GASKET Primary Cover Gasket Kit 34901-05-K JAMES GASKET Primary Cover Gasket Kit 34901-05-K

    JAMES GASKET Primary Cover Gasket Kit 34901-05-K

    JAMES GASKET

    $75.95
    JAMES GASKET Primary Cover Gasket Kit 34901-05-KTop quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.
    09341621
    SKU:
    09341621
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    TYPE:
    PRIMARY COVER
    UNITS:
    KIT
    MATERIAL:
    SILICONE
    PRODUCT NAME:
    GASKET KIT
    FEATURES:
    BEADED
    MATERIAL:
    PAPER
    RIDING STYLE:
    STREET
    $75.95
    Qty in Cart: 0
    Quantity:
    Price:
    $75.95
    Subtotal:
  • JAMES GASKET Foam Primary Cover Gasket 34901-07-F

    JAMES GASKET Foam Primary Cover Gasket 34901-07-F

    JAMES GASKET

    $52.95
    JAMES GASKET Foam Primary Cover Gasket 34901-07-FTop quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.
    09341623
    SKU:
    09341623
    Availability:
    Ships Same Business Day
    Weight:
    0.34 LBS
    STYLE:
    PRIMARY
    MATERIAL:
    FOAMET
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET
    TYPE:
    COVER
    UNITS:
    EACH
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • JAMES GASKET Clutch Cover Gasket - Foam 35148-03-F

    JAMES GASKET Clutch Cover Gasket - Foam 35148-03-F

    JAMES GASKET

    $25.10
    JAMES GASKET Clutch Cover Gasket Foam 35148-03-FFoamet 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 disassembly...
    09341625
    SKU:
    09341625
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    PRODUCT NAME:
    GASKET
    MATERIAL:
    FOAMET
    RIDING STYLE:
    STREET
    STYLE:
    6 SPEED
    TYPE:
    CLUTCH RELEASE
    UNITS:
    5 PACK
    $25.10
    Qty in Cart: 0
    Quantity:
    Price:
    $25.10
    Subtotal:
  • JAMES GASKET Primary Cover Gasket Foam 60547-06-F

    JAMES GASKET Primary Cover Gasket Foam 60547-06-F

    JAMES GASKET

    $52.95
    JAMES GASKET Primary Cover Gasket Foam 60547-06-FTop quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.
    09341626
    SKU:
    09341626
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    STYLE:
    PRIMARY
    MATERIAL:
    FOAMET
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET
    TYPE:
    COVER
    UNITS:
    EACH
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • JAMES GASKET Inspection Cover Kit with Seal - FX 60567-90-DLK

    JAMES GASKET Inspection Cover Kit with Seal - FX 60567-90-DLK

    JAMES GASKET

    $17.95
    JAMES GASKET Inspection Cover Kit with Seal FX 60567-90-DLKLatest 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...
    09341627
    SKU:
    09341627
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    DERBY COVER
    TYPE:
    INSPECTION COVER
    RIDING STYLE:
    STREET
    MATERIAL:
    STEEL
    UNITS:
    KIT
    $17.95
    Qty in Cart: 0
    Quantity:
    Price:
    $17.95
    Subtotal:
  • JAMES GASKET Exhaust Port Copper Gasket Kit - Big Twin/XL 65324-83-KCR1

    JAMES GASKET Exhaust Port Copper Gasket Kit - Big Twin/XL 65324-83-KCR1

    JAMES GASKET

    $26.95
    JAMES GASKET Exhaust Port Copper Gasket Kit Big Twin/XL 65324-83-KCR1Kits include gaskets and heavy-duty flange hex nuts or chrome acorn nuts with washers, Made in the U.S.A. by James Gaskets
    09341628
    SKU:
    09341628
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MATERIAL:
    COPPER
    FEATURES:
    CHROME ACORN NUTS
    PRODUCT NAME:
    GASKET
    TYPE:
    EXHAUST PORT
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • JAMES GASKET Exhaust Port Stainless/Chrome Gasket Kit - Big Twin/XL 65324-83-KW1

    JAMES GASKET Exhaust Port Stainless/Chrome Gasket Kit - Big Twin/XL 65324-83-KW1

    JAMES GASKET

    $26.95
    JAMES GASKET Exhaust Port Stainless/Chrome Gasket Kit Big Twin/XL 65324-83-KW1Kits include gaskets and heavy-duty flange hex nuts or chrome acorn nuts with washers, Made in the U.S.A. by James Gaskets
    09341629
    SKU:
    09341629
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    GASKET
    TYPE:
    EXHAUST PORT
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    FEATURES:
    CHROME ACORN NUTS
    FEATURES:
    KNITTED WIRE GASKETS
    MATERIAL:
    STAINLESS STEEL
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • JAMES GASKET Exhaust Port Chrome Gasket Kit - Big Twin/XL 65324-83-KWG1

    JAMES GASKET Exhaust Port Chrome Gasket Kit - Big Twin/XL 65324-83-KWG1

    JAMES GASKET

    $26.95
    JAMES GASKET Exhaust Port Chrome Gasket Kit Big Twin/XL 65324-83-KWG1Kits include gaskets and heavy-duty flange hex nuts or chrome acorn nuts with washers, Made in the U.S.A. by James Gaskets
    09341630
    SKU:
    09341630
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    FEATURES:
    CHROME ACORN NUTS
    RIDING STYLE:
    STREET
    MATERIAL:
    GRAPHITE
    TYPE:
    EXHAUST PORT
    UNITS:
    KIT
    FEATURES:
    GRAPHITE/KNITTED WIRE GASKETS
    PRODUCT NAME:
    GASKET
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • JAMES GASKET Copper Exhaust Port Gasket - FL 65834-68-A2

    JAMES GASKET Copper Exhaust Port Gasket - FL 65834-68-A2

    JAMES GASKET

    $8.95
    JAMES GASKET Copper Exhaust Port Gasket FL 65834-68-A2Made in the U.S.A. by James Gaskets
    09341631
    SKU:
    09341631
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    PRODUCT NAME:
    GASKET
    UNITS:
    PAIR
    TYPE:
    EXHAUST
    RIDING STYLE:
    STREET
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • JAMES GASKET Steel Exhaust Gasket 65834-68-SC2

    JAMES GASKET Steel Exhaust Gasket 65834-68-SC2

    JAMES GASKET

    $9.95
    JAMES GASKET Steel Exhaust Gasket 65834-68-SC2Made in the U.S.A. by James Gaskets
    09341632
    SKU:
    09341632
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    STREET
    TYPE:
    EXHAUST
    PRODUCT NAME:
    GASKET
    UNITS:
    PAIR
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • JAMES GASKET Exhaust Port Gasket - 3 Bolt 65834-68-STD

    JAMES GASKET Exhaust Port Gasket - 3 Bolt 65834-68-STD

    JAMES GASKET

    $14.95
    JAMES GASKET Exhaust Port Gasket 3 Bolt 65834-68-STDMade in the U.S.A. by James Gaskets
    09341633
    SKU:
    09341633
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    UNITS:
    PAIR
    PRODUCT NAME:
    GASKET
    TYPE:
    EXHAUST
    RIDING STYLE:
    STREET
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • JAMES GASKET Fire Ring Exhaust Gasket - Big Twin 65834-68-X2

    JAMES GASKET Fire Ring Exhaust Gasket - Big Twin 65834-68-X2

    JAMES GASKET

    $15.95
    JAMES GASKET Fire Ring Exhaust Gasket Big Twin 65834-68-X2Made in the U.S.A. by James Gaskets
    09341634
    SKU:
    09341634
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    UNITS:
    PAIR
    TYPE:
    EXHAUST
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • JAMES GASKET Exhaust Port Gasket - Big Twin 65834-98-X2

    JAMES GASKET Exhaust Port Gasket - Big Twin 65834-98-X2

    JAMES GASKET

    $13.95
    JAMES GASKET Exhaust Port Gasket Big Twin 65834-98-X2Made in the U.S.A. by James Gaskets
    09341635
    SKU:
    09341635
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    PRODUCT NAME:
    GASKET
    UNITS:
    PAIR
    RIDING STYLE:
    STREET
    TYPE:
    EXHAUST
    $13.95
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • JAMES GASKET Tappet Cover Gasket Kit - Twin Cam 11293-K

    JAMES GASKET Tappet Cover Gasket Kit - Twin Cam 11293-K

    JAMES GASKET

    $37.95
    JAMES GASKET Tappet Cover Gasket Kit Twin Cam 11293-KConvenient and efficient way to sell the correct amount of seals or O-rings for a rebuild or cam change, James complete kits are neatly packaged for easy display, Made in the U.S.A.
    09341553
    SKU:
    09341553
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TAPPET COVER
    RIDING STYLE:
    STREET
    TYPE:
    PUSHROD
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • JAMES GASKET Gasket Kit - RCM - FLH 60629-65

    JAMES GASKET Gasket Kit - RCM - FLH 60629-65

    JAMES GASKET

    $21.95
    JAMES GASKET Gasket Kit RCM FLH 60629-65Made in the U.S.A.
    09341554
    SKU:
    09341554
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    CHAIN HOUSING
    $21.95
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
    Subtotal:
  • JAMES GASKET Head/Base Gasket - 4" 16773-96-K

    JAMES GASKET Head/Base Gasket - 4" 16773-96-K

    JAMES GASKET

    $98.95
    JAMES GASKET Head/Base Gasket 4" 16773-96-KGenuine James kits include matching head and base gaskets and O-rings where applicable, Made in the U.S.A.
    09341715
    SKU:
    09341715
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    MATERIAL:
    -
    STYLE:
    STANDARD BORE
    PRODUCT NAME:
    GASKET
    THICKNESS IMPERIAL:
    0,045'
    THICKNESS METRIC:
    1.14 MM
    TYPE:
    CYLINDER BASE
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    4.000'
    RIDING STYLE:
    STREET
    THICKNESS IMPERIAL:
    0,020'
    TYPE:
    CYLINDER HEAD
    THICKNESS METRIC:
    0.51 MM
    $98.95
    Qty in Cart: 0
    Quantity:
    Price:
    $98.95
    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!