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!

  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475009

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475009

    ATHENA

    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475009Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346057
    SKU:
    09346057
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    MSRP: $47.95
    Now: $43.16
    Was: $47.95
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475008

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475008

    ATHENA

    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475008Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346056
    SKU:
    09346056
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    MSRP: $47.95
    Now: $43.16
    Was: $47.95
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475007

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475007

    ATHENA

    MSRP: $57.95
    Now: $52.16
    Was: $57.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475007Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346055
    SKU:
    09346055
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    TYPE:
    WATER PUMP
    MSRP: $57.95
    Now: $52.16
    Was: $57.95
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475006

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475006

    ATHENA

    MSRP: $47.95
    Now: $43.16
    Was: $47.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475006Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346054
    SKU:
    09346054
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    MSRP: $47.95
    Now: $43.16
    Was: $47.95
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475005

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475005

    ATHENA

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475005Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346053
    SKU:
    09346053
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    WATER PUMP
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475003

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475003

    ATHENA

    MSRP: $26.95
    Now: $24.26
    Was: $26.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475003Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346051
    SKU:
    09346051
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    WATER PUMP
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $26.95
    Now: $24.26
    Was: $26.95
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475002

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475002

    ATHENA

    MSRP: $38.95
    Now: $35.06
    Was: $38.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475002Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346050
    SKU:
    09346050
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    WATER PUMP
    MSRP: $38.95
    Now: $35.06
    Was: $38.95
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475001

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475001

    ATHENA

    MSRP: $38.95
    Now: $35.06
    Was: $38.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475001Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346049
    SKU:
    09346049
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    MSRP: $38.95
    Now: $35.06
    Was: $38.95
  • On Sale
    ATHENA Water Pump Gasket Kit - Honda P400210475012

    ATHENA Water Pump Gasket Kit - Honda P400210475012

    ATHENA

    MSRP: $31.95
    Now: $28.76
    Was: $31.95
    ATHENA Water Pump Gasket Kit Honda P400210475012Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346048
    SKU:
    09346048
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    MSRP: $31.95
    Now: $28.76
    Was: $31.95
  • On Sale
    ATHENA Complete Gasket Kit - Honda P400210850318

    ATHENA Complete Gasket Kit - Honda P400210850318

    ATHENA

    MSRP: $163.95
    Now: $147.56
    Was: $163.95
    ATHENA Complete Gasket Kit Honda P400210850318Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary transparent...
    09345913
    SKU:
    09345913
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    MSRP: $163.95
    Now: $147.56
    Was: $163.95
  • On Sale
    ATHENA Complete Gasket Kit - Husqvarna P400270900083

    ATHENA Complete Gasket Kit - Husqvarna P400270900083

    ATHENA

    MSRP: $210.95
    Now: $189.86
    Was: $210.95
    ATHENA Complete Gasket Kit Husqvarna P400270900083Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary...
    09345469
    SKU:
    09345469
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    MSRP: $210.95
    Now: $189.86
    Was: $210.95
  • On Sale
    ATHENA Top End Gasket Kit - Husqvarna P400270600083

    ATHENA Top End Gasket Kit - Husqvarna P400270600083

    ATHENA

    MSRP: $83.95
    Now: $75.56
    Was: $83.95
    ATHENA Top End Gasket Kit Husqvarna P400270600083Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary...
    09345468
    SKU:
    09345468
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    MSRP: $83.95
    Now: $75.56
    Was: $83.95
  • HELIX Gasket Material - 14.5" x 30" 403-5012

    HELIX Gasket Material - 14.5" x 30" 403-5012

    HELIX

    $34.95
    HELIX Gasket Material 14.5" x 30" 403-5012One sheet 1/32" (.032") thick x 14.5" wide x 30" long, Made from aramid and other synthetic fibers compressed with Nitrile Butadiene Rubber (NBR) binder, Resists oils, solvents, mild acids, alkalis, gasses, water...
    09344769
    SKU:
    09344769
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MATERIAL:
    NITRILE RUBBER
    RIDING STYLE:
    ATV
    THICKNESS METRIC:
    0.81 MM
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    THICKNESS:
    0,81 MM (0,032')
    PRODUCT NAME:
    GASKET MATERIAL
    RIDING STYLE:
    STREET
    RIDING STYLE:
    WATERCRAFT
    THICKNESS IMPERIAL:
    0,032'
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    TYPE:
    BULK
    $34.95
  • On Sale
    ATHENA Gasket Kit - RMZ250 P400510160018

    ATHENA Gasket Kit - RMZ250 P400510160018

    ATHENA

    MSRP: $58.95
    Now: $53.06
    Was: $58.95
    ATHENA Gasket Kit RMZ250 P400510160018Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets, Forged piston with molybdenum coating, Special gasket kit, Easy-to-follow step-by-step installation instructions, All are...
    09344758
    SKU:
    09344758
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE:
    88,00 MM
    BORE SIZE METRIC:
    88.00 MM
    DISPLACEMENT:
    290 CC
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    MSRP: $58.95
    Now: $53.06
    Was: $58.95
  • On Sale
    CYLINDER WORKS Big Bore Gasket Kit 21009-G01

    CYLINDER WORKS Big Bore Gasket Kit 21009-G01

    CYLINDER WORKS

    MSRP: $103.95
    Now: $95.36
    Was: $105.95
    CYLINDER WORKS Big Bore Gasket Kit 21009-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...
    09344757
    SKU:
    09344757
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    STYLE:
    BIG BORE
    PRODUCT NAME:
    GASKET KIT
    MSRP: $103.95
    Now: $95.36
    Was: $105.95
  • COMETIC Stator Gasket - Kawasaki EC904032AFM

    COMETIC Stator Gasket - Kawasaki EC904032AFM

    COMETIC

    $17.95
    COMETIC Stator Gasket Kawasaki EC904032AFMStator cover gaskets are made from an AFM Material which is a chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core, Save service time as AFM will not stick to the engine case making...
    09344504
    SKU:
    09344504
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MODEL:
    HI-PERFORMANCE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    TYPE:
    STATOR COVER
    UNITS:
    EACH
    $17.95
  • COMETIC Clutch Gasket - Honda EC901032AFM

    COMETIC Clutch Gasket - Honda EC901032AFM

    COMETIC

    $18.95
    COMETIC Clutch Gasket Honda EC901032AFMClutch cover gaskets are made form an AFM Material which is a chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core, Aluminum core gives the gasket strength for a superior seal and...
    09344503
    SKU:
    09344503
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    MODEL:
    HI-PERFORMANCE
    THICKNESS IMPERIAL:
    0,032'
    PRODUCT NAME:
    GASKET
    $18.95
  • COMETIC Clutch Gasket - Kawasaki EC847060AFM

    COMETIC Clutch Gasket - Kawasaki EC847060AFM

    COMETIC

    $14.95
    COMETIC Clutch Gasket Kawasaki EC847060AFMClutch cover gaskets are made form an AFM Material which is a chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core, Aluminum core gives the gasket strength for a superior seal and...
    09344500
    SKU:
    09344500
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    MODEL:
    HI-PERFORMANCE
    $14.95
  • COMETIC Stator Gasket - Yamaha EC761018AFM

    COMETIC Stator Gasket - Yamaha EC761018AFM

    COMETIC

    $7.95
    COMETIC Stator Gasket Yamaha EC761018AFMStator cover gaskets are made from an AFM Material which is a chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core, Save service time as AFM will not stick to the engine case making...
    09344490
    SKU:
    09344490
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MODEL:
    HI-PERFORMANCE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    AFM (ALUMINUM FOAM MATERIAL)
    TYPE:
    STATOR COVER
    UNITS:
    EACH
  • COMETIC Clutch Gasket - Honda EC619032AFM

    COMETIC Clutch Gasket - Honda EC619032AFM

    COMETIC

    $15.95
    COMETIC Clutch Gasket Honda EC619032AFMClutch cover gaskets are made form an AFM Material which is a chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core, Aluminum core gives the gasket strength for a superior seal and...
    09344482
    SKU:
    09344482
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MODEL:
    HI-PERFORMANCE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    TYPE:
    CLUTCH COVER
    $15.95

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!