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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
  • MOOSE RACING Valve Shim - 10.0 x 2.50 - 5 pack MSE5PK1000250

    MOOSE RACING Valve Shim - 10.0 x 2.50 - 5 pack MSE5PK1000250

    MOOSE RACING

    $10.95
    MOOSE RACING Valve Shim 10.0 x 2.50 5 pack MSE5PK1000250Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261843
    SKU:
    09261843
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    ATV
    TYPE:
    VALVE
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    2.50 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    UNITS:
    5 PACK
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • MOOSE RACING Valve Shim - 10.0 x 2.55 - 5 pack MSE5PK1000255

    MOOSE RACING Valve Shim - 10.0 x 2.55 - 5 pack MSE5PK1000255

    MOOSE RACING

    $10.95
    MOOSE RACING Valve Shim 10.0 x 2.55 5 pack MSE5PK1000255Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261844
    SKU:
    09261844
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    ATV
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    2.55 MM
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    UNITS:
    5 PACK
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • MOOSE RACING Valve Shim - 10.0 x 2.60 - 5 pack MSE5PK1000260

    MOOSE RACING Valve Shim - 10.0 x 2.60 - 5 pack MSE5PK1000260

    MOOSE RACING

    $10.95
    MOOSE RACING Valve Shim 10.0 x 2.60 5 pack MSE5PK1000260Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261845
    SKU:
    09261845
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    SNOW
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    2.60 MM
    RIDING STYLE:
    WATERCRAFT
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ATV
    TYPE:
    VALVE
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • MOOSE RACING Valve Shim - 10.0 x 2.65 - 5 pack MSE5PK1000265

    MOOSE RACING Valve Shim - 10.0 x 2.65 - 5 pack MSE5PK1000265

    MOOSE RACING

    $10.95
    MOOSE RACING Valve Shim 10.0 x 2.65 5 pack MSE5PK1000265Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261846
    SKU:
    09261846
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    MATERIAL:
    ROLLED
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    2.65 MM
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • MOOSE RACING Valve Shim - 10.0 x 2.70 - 5 pack MSE5PK1000270

    MOOSE RACING Valve Shim - 10.0 x 2.70 - 5 pack MSE5PK1000270

    MOOSE RACING

    $10.95
    MOOSE RACING Valve Shim 10.0 x 2.70 5 pack MSE5PK1000270Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261847
    SKU:
    09261847
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    2.70 MM
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • MOOSE RACING Valve Shim - 7.48 x 1.30 - 5 pack MSE5PK748130

    MOOSE RACING Valve Shim - 7.48 x 1.30 - 5 pack MSE5PK748130

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 7.48 x 1.30 5 pack MSE5PK748130Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261860
    SKU:
    09261860
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    ATV
    TYPE:
    VALVE
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    SNOW
    UNITS:
    5 PACK
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    1.30 MM
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • MOOSE RACING Motor Gasket Kit with Seal - RM250 811582

    MOOSE RACING Motor Gasket Kit with Seal - RM250 811582

    MOOSE RACING

    $97.57
    MOOSE RACING Motor Gasket Kit with Seal RM250 811582Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil...
    M811582
    SKU:
    M811582
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    TYPE:
    ENGINE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    $97.57
    Qty in Cart: 0
    Quantity:
    Price:
    $97.57
    Subtotal:
  • MOOSE RACING Clutch Cover Gasket 817672

    MOOSE RACING Clutch Cover Gasket 817672

    MOOSE RACING

    $6.48
    MOOSE RACING Clutch Cover Gasket 817672Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as each...
    M817672
    SKU:
    M817672
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    TYPE:
    CLUTCH COVER
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $6.48
    Qty in Cart: 0
    Quantity:
    Price:
    $6.48
    Subtotal:
  • MOOSE RACING Ignition Cover Gasket 817675

    MOOSE RACING Ignition Cover Gasket 817675

    MOOSE RACING

    $6.65
    MOOSE RACING Ignition Cover Gasket 817675Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil seals are...
    M817675
    SKU:
    M817675
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    IGNITION COVER
    UNITS:
    EACH
    $6.65
    Qty in Cart: 0
    Quantity:
    Price:
    $6.65
    Subtotal:
  • MOOSE RACING Clutch Cover Gasket 817685

    MOOSE RACING Clutch Cover Gasket 817685

    MOOSE RACING

    $5.80
    MOOSE RACING Clutch Cover Gasket 817685Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as each...
    M817685
    SKU:
    M817685
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $5.80
    Subtotal:
  • MOOSE RACING Clutch Cover Gasket 817690

    MOOSE RACING Clutch Cover Gasket 817690

    MOOSE RACING

    $9.70
    MOOSE RACING Clutch Cover Gasket 817690Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as each...
    M817690
    SKU:
    M817690
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    $9.70
    Qty in Cart: 0
    Quantity:
    Price:
    $9.70
    Subtotal:
  • MOOSE RACING Top End Gasket Kit - Yamaha 810691

    MOOSE RACING Top End Gasket Kit - Yamaha 810691

    MOOSE RACING

    $60.92
    MOOSE RACING Top End Gasket Kit Yamaha 810691Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...
    09344776
    SKU:
    09344776
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    TYPE:
    TOP END
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $60.92
    Qty in Cart: 0
    Quantity:
    Price:
    $60.92
    Subtotal:
  • MOOSE RACING Complete Motor Gasket Kit - KTM/Husqvarna 808365

    MOOSE RACING Complete Motor Gasket Kit - KTM/Husqvarna 808365

    MOOSE RACING

    $123.37
    MOOSE RACING Complete Motor Gasket Kit KTM/Husqvarna 808365Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total...
    09344778
    SKU:
    09344778
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    TYPE:
    ENGINE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $123.37
    Subtotal:
  • MOOSE RACING Ignition Cover Gasket 817692

    MOOSE RACING Ignition Cover Gasket 817692

    MOOSE RACING

    $5.32
    MOOSE RACING Ignition Cover Gasket 817692Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil seals are...
    M817692
    SKU:
    M817692
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    ENGINE TYPE:
    4-STROKE
    TYPE:
    IGNITION COVER
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    $5.32
    Qty in Cart: 0
    Quantity:
    Price:
    $5.32
    Subtotal:
  • MOOSE RACING Complete Motor Gasket Kit - 250 SXF/XCF 808364

    MOOSE RACING Complete Motor Gasket Kit - 250 SXF/XCF 808364

    MOOSE RACING

    $120.58
    MOOSE RACING Complete Motor Gasket Kit 250 SXF/XCF 808364Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total...
    09344784
    SKU:
    09344784
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET
    TYPE:
    ENGINE
    $120.58
    Qty in Cart: 0
    Quantity:
    Price:
    $120.58
    Subtotal:
  • MOOSE RACING Complete Motor Gasket Kit - CRF100/XR100 808221

    MOOSE RACING Complete Motor Gasket Kit - CRF100/XR100 808221

    MOOSE RACING

    $70.68
    MOOSE RACING Complete Motor Gasket Kit CRF100/XR100 808221Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total...
    M808221
    SKU:
    M808221
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    TYPE:
    COMPLETE
    TYPE:
    ENGINE
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $70.68
    Subtotal:
  • MOOSE RACING Complete Motor Gasket Kit - XR650L 808281

    MOOSE RACING Complete Motor Gasket Kit - XR650L 808281

    MOOSE RACING

    $115.67
    MOOSE RACING Complete Motor Gasket Kit XR650L 808281Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total...
    M808281
    SKU:
    M808281
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    TYPE:
    ENGINE
    $115.67
    Qty in Cart: 0
    Quantity:
    Price:
    $115.67
    Subtotal:
  • MOOSE RACING Complete Motor Gasket Kit - KX/RM60 808407

    MOOSE RACING Complete Motor Gasket Kit - KX/RM60 808407

    MOOSE RACING

    $37.34
    MOOSE RACING Complete Motor Gasket Kit KX/RM60 808407Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total...
    M808407
    SKU:
    M808407
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    UNITS:
    KIT
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    $37.34
    Qty in Cart: 0
    Quantity:
    Price:
    $37.34
    Subtotal:
  • MOOSE RACING Inner Clutch Cover Gasket 816301

    MOOSE RACING Inner Clutch Cover Gasket 816301

    MOOSE RACING

    $20.58
    MOOSE RACING Inner Clutch Cover Gasket 816301Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...
    09346149
    SKU:
    09346149
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    $20.58
    Qty in Cart: 0
    Quantity:
    Price:
    $20.58
    Subtotal:
  • MOOSE RACING Inner Clutch Cover Gasket 816306

    MOOSE RACING Inner Clutch Cover Gasket 816306

    MOOSE RACING

    $13.81
    MOOSE RACING Inner Clutch Cover Gasket 816306Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...
    09346150
    SKU:
    09346150
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    $13.81
    Qty in Cart: 0
    Quantity:
    Price:
    $13.81
    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!