Engine

Engine

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!

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  • MOOSE RACING Crankcase Bearing and Seal Kit 24-1006
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    MOOSE RACING Crankcase Bearing and Seal Kit 24-1006

    MOOSE RACING

    $60.95
    MOOSE RACING Crankcase Bearing and Seal Kit 24-1006Precision crank bearings, Kits contain right and left crankshaft bearings; 2-stroke kits contain outer seals, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines,...
    A241006
    SKU:
    A241006
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    BEARING KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CRANK
    Add to Cart
    $60.95
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    $60.95
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  • MOOSE RACING Crankcase Bearing and Seal Kit 24-1008
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    MOOSE RACING Crankcase Bearing and Seal Kit 24-1008

    MOOSE RACING

    $78.95
    MOOSE RACING Crankcase Bearing and Seal Kit 24-1008Precision crank bearings, Kits contain right and left crankshaft bearings; 2-stroke kits contain outer seals, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines,...
    A241008
    SKU:
    A241008
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    PRODUCT NAME:
    BEARING KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    CRANK
    Add to Cart
    $78.95
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    $78.95
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  • MOOSE RACING Valve Shim - 7.48 x 2.15 - 5 pack MSE5PK748215
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    MOOSE RACING Valve Shim - 7.48 x 2.15 - 5 pack MSE5PK748215

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 7.48 x 2.15 5 pack MSE5PK748215Complete 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...
    9261877
    SKU:
    9261877
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    VALVE SHIM THICKNESS METRIC:
    2.15 MM
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    Add to Cart
    $9.95
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    $9.95
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  • MOOSE RACING Valve Seal Kit M80-80710
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    MOOSE RACING Valve Seal Kit M80-80710

    MOOSE RACING

    $26.95
    MOOSE RACING Valve Seal Kit M80-80710Contact surfaces designed for improved sealing, High-temperature Viton® and PTFE materials, Improved tolerance over OEM, 100% quality controlled, Kits include one full set of intake and exhaust seals, Made in the USA
    9262831
    SKU:
    9262831
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    INTAKE
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    VITON
    APPLICATION:
    EXHAUST
    BASE COLOR:
    RED
    TYPE:
    VALVE STEM
    COLOR/FINISH:
    RED
    PRODUCT NAME:
    SEAL KIT
    Add to Cart
    $26.95
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    $26.95
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  • MOOSE RACING Valve Seal Kit M80-80890
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    MOOSE RACING Valve Seal Kit M80-80890

    MOOSE RACING

    $21.95
    MOOSE RACING Valve Seal Kit M80-80890Contact surfaces designed for improved sealing, High-temperature Viton® and PTFE materials, Improved tolerance over OEM, 100% quality controlled, Kits include one full set of intake and exhaust seals, Made in the USA
    9262833
    SKU:
    9262833
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    BASE COLOR:
    RED
    MATERIAL:
    VITON
    TYPE:
    VALVE STEM
    APPLICATION:
    INTAKE
    COLOR/FINISH:
    RED
    RIDING STYLE:
    ATV
    Ships from Manufacture | Call to Order (231) 767-5055
    $21.95
    Ships from Manufacture | Call to Order (231) 767-5055 Quick view
    Qty in Cart: 0
    Price:
    $21.95
    Subtotal:
    Ships from Manufacture | Call to Order (231) 767-5055
  • MOOSE RACING Valve Seal Kit M80-80990
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    MOOSE RACING Valve Seal Kit M80-80990

    MOOSE RACING

    $21.95
    MOOSE RACING Valve Seal Kit M80-80990Contact surfaces designed for improved sealing, High-temperature Viton® and PTFE materials, Improved tolerance over OEM, 100% quality controlled, Kits include one full set of intake and exhaust seals, Made in the USA
    9262834
    SKU:
    9262834
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    APPLICATION:
    INTAKE
    COLOR/FINISH:
    RED
    PRODUCT NAME:
    SEAL KIT
    BASE COLOR:
    RED
    MATERIAL:
    VITON
    TYPE:
    VALVE STEM
    Add to Cart
    $21.95
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    Price:
    $21.95
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  • MOOSE RACING Intake Valve Kit M80-80950
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    MOOSE RACING Intake Valve Kit M80-80950

    MOOSE RACING

    $307.95
    MOOSE RACING Intake Valve Kit M80-80950Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x...
    9262459
    SKU:
    9262459
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE KIT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    STAINLESS STEEL
    UNITS:
    KIT
    Add to Cart
    $307.95
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    $307.95
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  • MOOSE RACING Connecting Rod MR5399
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    MOOSE RACING Connecting Rod MR5399

    MOOSE RACING

    $476.95
    MOOSE RACING Connecting Rod MR5399Moose 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...
    9230306
    SKU:
    9230306
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    STYLE:
    HIGH PERFORMANCE
    UNITS:
    EACH
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    PROPRIETARY ALLOY
    PRODUCT NAME:
    CONNECTING ROD
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $476.95
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    Qty in Cart: 0
    Quantity:
    Price:
    $476.95
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  • MOOSE RACING Connecting Rod MR9903
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    MOOSE RACING Connecting Rod MR9903

    MOOSE RACING

    $476.95
    MOOSE RACING Connecting Rod MR9903Moose 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...
    9230307
    SKU:
    9230307
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    CONNECTING ROD
    STYLE:
    HIGH PERFORMANCE
    MATERIAL:
    PROPRIETARY ALLOY
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $476.95
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    Qty in Cart: 0
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    Price:
    $476.95
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  • MOOSE RACING Top End Gasket Kit - KX 250 810457
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    MOOSE RACING Top End Gasket Kit - KX 250 810457

    MOOSE RACING

    $39.57
    MOOSE RACING Top End Gasket Kit KX 250 810457Moose 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...
    M810457
    SKU:
    M810457
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    Add to Cart
    $39.57
    Add to Cart Quick view
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    Price:
    $39.57
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  • MOOSE RACING Complete Motor Gasket Kit - KTM/Husqvarna 8080027
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    MOOSE RACING Complete Motor Gasket Kit - KTM/Husqvarna 8080027

    MOOSE RACING

    $95.30
    MOOSE RACING Complete Motor Gasket Kit KTM/Husqvarna 8080027Moose 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...
    9346438
    SKU:
    9346438
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    TYPE:
    ENGINE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    Add to Cart
    $95.30
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    Price:
    $95.30
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  • MOOSE RACING Complete Motor Gasket Kit - Honda CRF250 8080030
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    MOOSE RACING Complete Motor Gasket Kit - Honda CRF250 8080030

    MOOSE RACING

    $176.52
    MOOSE RACING Complete Motor Gasket Kit Honda CRF250 8080030Moose 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...
    9346439
    SKU:
    9346439
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    PRODUCT NAME:
    GASKET
    TYPE:
    ENGINE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    Add to Cart
    $176.52
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    Price:
    $176.52
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  • MOOSE RACING Complete Motor Gasket Kit - Honda CRF450 8080034
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    MOOSE RACING Complete Motor Gasket Kit - Honda CRF450 8080034

    MOOSE RACING

    $113.45
    MOOSE RACING Complete Motor Gasket Kit Honda CRF450 8080034Moose 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...
    9346440
    SKU:
    9346440
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    TYPE:
    ENGINE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    Add to Cart
    $113.45
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    Price:
    $113.45
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  • MOOSE RACING Top End Gasket Kit - Honda 8100028
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    MOOSE RACING Top End Gasket Kit - Honda 8100028

    MOOSE RACING

    $51.85
    MOOSE RACING Top End Gasket Kit Honda 8100028Moose 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...
    9346446
    SKU:
    9346446
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    DISPLACEMENT:
    125 CC
    TYPE:
    TOP END
    Add to Cart
    $51.85
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    Price:
    $51.85
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  • MOOSE RACING Top End Gasket Kit - Husqvarna 8100030
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    MOOSE RACING Top End Gasket Kit - Husqvarna 8100030

    MOOSE RACING

    $57.95
    MOOSE RACING Top End Gasket Kit Husqvarna 8100030Moose 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...
    9346447
    SKU:
    9346447
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    Add to Cart
    $57.95
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    Price:
    $57.95
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  • MOOSE RACING Complete Motor Gasket Kit without Seals 8110028
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    MOOSE RACING Complete Motor Gasket Kit without Seals 8110028

    MOOSE RACING

    $117.03
    MOOSE RACING Complete Motor Gasket Kit without Seals 8110028Moose 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...
    9346451
    SKU:
    9346451
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    TYPE:
    ENGINE
    Add to Cart
    $117.03
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $117.03
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  • MOOSE RACING Complete Motor Gasket Kit without Seals - YZ250 8110029
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    MOOSE RACING Complete Motor Gasket Kit without Seals - YZ250 8110029

    MOOSE RACING

    $143.09
    MOOSE RACING Complete Motor Gasket Kit without Seals YZ250 8110029Moose 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...
    9346452
    SKU:
    9346452
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    Add to Cart
    $143.09
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $143.09
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  • MOOSE RACING Wrist Pin MSE715332
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    MOOSE RACING Wrist Pin MSE715332

    MOOSE RACING

    $3.95
    MOOSE RACING Wrist Pin MSE715332Wrist pins are nitride-coated, providing a hardened, wear-resistant bearing surface
    9130181
    SKU:
    9130181
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    APPLICATION:
    PISTON
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    WRIST PIN
    STYLE:
    2-STROKE
    UNITS:
    EACH
    Add to Cart
    $3.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $3.95
    Subtotal:
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  • MOOSE RACING Piston Ring - For 71.94/71.95/71.96 mm Piston MSE53010007200
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    MOOSE RACING Piston Ring - For 71.94/71.95/71.96 mm Piston MSE53010007200

    MOOSE RACING

    $39.95
    MOOSE RACING Piston Ring For 71.94/71.95/71.96 mm Piston MSE53010007200Replacement Piston Ring
    9120407
    SKU:
    9120407
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    OFF-ROAD
    PISTON SIZE METRIC:
    STANDARD
    UNITS:
    EACH
    Add to Cart
    $39.95
    Add to Cart Quick view
    Qty in Cart: 0
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    Price:
    $39.95
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  • MOOSE RACING Piston Ring - For 66.34/66.35 mm Piston MSE55910006640
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    MOOSE RACING Piston Ring - For 66.34/66.35 mm Piston MSE55910006640

    MOOSE RACING

    $45.95
    MOOSE RACING Piston Ring For 66.34/66.35 mm Piston MSE55910006640Replacement Piston Ring
    9120414
    SKU:
    9120414
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    PISTON SIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON RING
    UNITS:
    EACH
    Add to Cart
    $45.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $45.95
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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!

Some parts are not legal for use in California or other states with similar laws / regulations