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
  • MOOSE RACING Clutch Cover Gasket 816346

    MOOSE RACING Clutch Cover Gasket 816346

    MOOSE RACING

    $12.53
    MOOSE RACING Clutch Cover Gasket 816346Moose 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...
    09346589
    SKU:
    09346589
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    $12.53
    Qty in Cart: 0
    Quantity:
    Price:
    $12.53
    Subtotal:
  • MOOSE RACING Ignition Cover Gasket 816287

    MOOSE RACING Ignition Cover Gasket 816287

    MOOSE RACING

    $13.82
    MOOSE RACING Ignition Cover Gasket 816287Made in the U.S.A.
    09346142
    SKU:
    09346142
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    TYPE:
    IGNITION COVER
    $13.82
    Qty in Cart: 0
    Quantity:
    Price:
    $13.82
    Subtotal:
  • MOOSE RACING Water Pump Rebuild Kit 8210030

    MOOSE RACING Water Pump Rebuild Kit 8210030

    MOOSE RACING

    $50.90
    MOOSE RACING Water Pump Rebuild Kit 8210030Include every gasket, O-ring, bearing and seal required to rebuild a water pump, Typical kit includes the following: bearings where applicable; rubber seals; mechanical water pump seal where applicable; side...
    09346543
    SKU:
    09346543
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    $50.90
    Qty in Cart: 0
    Quantity:
    Price:
    $50.90
    Subtotal:
  • MOOSE RACING Motor Seals - TTR125 822240

    MOOSE RACING Motor Seals - TTR125 822240

    MOOSE RACING

    $23.64
    MOOSE RACING Motor Seals TTR125 822240Moose 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 each set...
    09350042
    SKU:
    09350042
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $23.64
    Subtotal:
  • MOOSE RACING Motor Seals - YZ125 822252

    MOOSE RACING Motor Seals - YZ125 822252

    MOOSE RACING

    $36.59
    MOOSE RACING Motor Seals YZ125 822252Moose 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 each set...
    09350043
    SKU:
    09350043
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    PRODUCT NAME:
    SEAL
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    $36.59
    Qty in Cart: 0
    Quantity:
    Price:
    $36.59
    Subtotal:
  • MOOSE RACING Motor Seals - KTM 822274

    MOOSE RACING Motor Seals - KTM 822274

    MOOSE RACING

    $38.45
    MOOSE RACING Motor Seals KTM 822274Moose 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 each set is...
    09350045
    SKU:
    09350045
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    UNITS:
    SET
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    $38.45
    Qty in Cart: 0
    Quantity:
    Price:
    $38.45
    Subtotal:
  • MOOSE RACING Motor Seals - KX250 822286

    MOOSE RACING Motor Seals - KX250 822286

    MOOSE RACING

    $26.47
    MOOSE RACING Motor Seals KX250 822286Moose 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 each set...
    09350050
    SKU:
    09350050
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    APPLICATION:
    ENGINE
    UNITS:
    SET
    PRODUCT NAME:
    SEAL
    TYPE:
    OIL
    RIDING STYLE:
    OFF-ROAD
    $26.47
    Qty in Cart: 0
    Quantity:
    Price:
    $26.47
    Subtotal:
  • MOOSE RACING Motor Seals - KX/KDX 250 822287

    MOOSE RACING Motor Seals - KX/KDX 250 822287

    MOOSE RACING

    $28.93
    MOOSE RACING Motor Seals KX/KDX 250 822287Moose 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 each...
    09350051
    SKU:
    09350051
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    PRODUCT NAME:
    SEAL
    UNITS:
    SET
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    RIDING STYLE:
    OFF-ROAD
    $28.93
    Qty in Cart: 0
    Quantity:
    Price:
    $28.93
    Subtotal:
  • MOOSE RACING Motor Seals - KX250 822288

    MOOSE RACING Motor Seals - KX250 822288

    MOOSE RACING

    $32.09
    MOOSE RACING Motor Seals KX250 822288Moose 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 each set...
    09350052
    SKU:
    09350052
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SEAL
    $32.09
    Qty in Cart: 0
    Quantity:
    Price:
    $32.09
    Subtotal:
  • MOOSE RACING Complete Gasket Set - KLX 450 808480

    MOOSE RACING Complete Gasket Set - KLX 450 808480

    MOOSE RACING

    $140.95
    MOOSE RACING Complete Gasket Set KLX 450 808480MOOSE RACING Complete Gasket Set - KLX 450
    09346889
    SKU:
    09346889
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    UNITS:
    SET
    PRODUCT NAME:
    GASKET SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    Qty in Cart: 0
    Quantity:
    Price:
    $140.95
    Subtotal:
  • MOOSE RACING Gasket Clutch Inner - Kawasaki 816090

    MOOSE RACING Gasket Clutch Inner - Kawasaki 816090

    MOOSE RACING

    $12.95
    MOOSE RACING Gasket Clutch Inner Kawasaki 816090MOOSE RACING Gasket Clutch Inner - Kawasaki
    09346892
    SKU:
    09346892
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    STREET
    TYPE:
    CLUTCH INNER
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    $12.95
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • MOOSE RACING Gasket Clutch Inner - Kawasaki 816197

    MOOSE RACING Gasket Clutch Inner - Kawasaki 816197

    MOOSE RACING

    $27.95
    MOOSE RACING Gasket Clutch Inner Kawasaki 816197MOOSE RACING Gasket Clutch Inner - Kawasaki
    09346893
    SKU:
    09346893
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    TYPE:
    CLUTCH INNER
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    $27.95
    Qty in Cart: 0
    Quantity:
    Price:
    $27.95
    Subtotal:
  • MOOSE RACING Connecting Rod MR5497

    MOOSE RACING Connecting Rod MR5497

    MOOSE RACING

    $476.95
    MOOSE RACING Connecting Rod MR5497Moose Racing has teamed up with CP-Carrillo to bring you the highest quality, professional connecting rod, 100% machined from an oversized forging ensures proper grain flow and consistency through the manufacturing...
    09230311
    SKU:
    09230311
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    MATERIAL:
    PROPRIETARY ALLOY
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CONNECTING ROD
    STYLE:
    HIGH PERFORMANCE
    UNITS:
    EACH
    $476.95
    Qty in Cart: 0
    Quantity:
    Price:
    $476.95
    Subtotal:
  • MOOSE RACING Connecting Rod MR6102

    MOOSE RACING Connecting Rod MR6102

    MOOSE RACING

    $476.95
    MOOSE RACING Connecting Rod MR6102Moose Racing has teamed up with CP-Carrillo to bring you the highest quality, professional connecting rod, 100% machined from an oversized forging ensures proper grain flow and consistency through the manufacturing...
    09230314
    SKU:
    09230314
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    MATERIAL:
    PROPRIETARY ALLOY
    PRODUCT NAME:
    CONNECTING ROD
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    HIGH PERFORMANCE
    UNITS:
    EACH
    $476.95
    Qty in Cart: 0
    Quantity:
    Price:
    $476.95
    Subtotal:
  • MOOSE RACING Connecting Rod MR12063

    MOOSE RACING Connecting Rod MR12063

    MOOSE RACING

    $476.95
    MOOSE RACING Connecting Rod MR12063Moose Racing has teamed up with CP-Carrillo to bring you the highest quality, professional connecting rod, 100% machined from an oversized forging ensures proper grain flow and consistency through the manufacturing...
    09230510
    SKU:
    09230510
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    UNITS:
    EACH
    MATERIAL:
    PROPRIETARY ALLOY
    PRODUCT NAME:
    CONNECTING ROD
    STYLE:
    HIGH PERFORMANCE
    RIDING STYLE:
    OFF-ROAD
    $476.95
    Qty in Cart: 0
    Quantity:
    Price:
    $476.95
    Subtotal:
  • MOOSE RACING Valve Shim - 7.48 x 1.40 - 5 pack MSE5PK748140

    MOOSE RACING Valve Shim - 7.48 x 1.40 - 5 pack MSE5PK748140

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 7.48 x 1.40 5 pack MSE5PK748140Complete 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...
    09261862
    SKU:
    09261862
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    1.40 MM
    RIDING STYLE:
    ATV
    TYPE:
    VALVE
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • MOOSE RACING Valve Shim - 7.48 x 1.45 - 5 pack MSE5PK748145

    MOOSE RACING Valve Shim - 7.48 x 1.45 - 5 pack MSE5PK748145

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 7.48 x 1.45 5 pack MSE5PK748145Complete 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...
    09261863
    SKU:
    09261863
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    1.45 MM
    RIDING STYLE:
    ATV
    TYPE:
    VALVE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • MOOSE RACING Valve Shim - 7.48 x 1.50 - 5 pack MSE5PK748150

    MOOSE RACING Valve Shim - 7.48 x 1.50 - 5 pack MSE5PK748150

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 7.48 x 1.50 5 pack MSE5PK748150Complete 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...
    09261864
    SKU:
    09261864
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    1.50 MM
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • MOOSE RACING Valve Shim - 7.48 x 1.55 - 5 pack MSE5PK748155

    MOOSE RACING Valve Shim - 7.48 x 1.55 - 5 pack MSE5PK748155

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 7.48 x 1.55 5 pack MSE5PK748155Complete 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...
    09261865
    SKU:
    09261865
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    1.55 MM
    MATERIAL:
    ROLLED
    RIDING STYLE:
    ATV
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • MOOSE RACING Valve Shim - 7.48 x 1.60 - 5 pack MSE5PK748160

    MOOSE RACING Valve Shim - 7.48 x 1.60 - 5 pack MSE5PK748160

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 7.48 x 1.60 5 pack MSE5PK748160Complete 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...
    09261866
    SKU:
    09261866
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    1.60 MM
    RIDING STYLE:
    SNOW
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    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!