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 Piston Ring - For 47.45 mm Piston MSE53008004750
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    MOOSE RACING Piston Ring - For 47.45 mm Piston MSE53008004750

    MOOSE RACING

    $26.20
    MOOSE RACING Piston Ring For 47.45 mm Piston MSE53008004750Replacement Piston Ring
    9120847
    SKU:
    9120847
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    OFF-ROAD
    PISTON SIZE METRIC:
    STANDARD
    Add to Cart
    $26.20
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    Price:
    $26.20
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  • MOOSE RACING Wrist Pin W748-200015CP1C
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    MOOSE RACING Wrist Pin W748-200015CP1C

    MOOSE RACING

    $32.95
    MOOSE RACING Wrist Pin W748-200015CP1CWrist pins are nitride-coated, providing a hardened, wear-resistant bearing surface
    9130063
    SKU:
    9130063
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    WRIST PIN
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    PISTON
    STYLE:
    4-STROKE
    UNITS:
    EACH
    Add to Cart
    $32.95
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    $32.95
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  • MOOSE RACING Circlip 630-050SWL
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    MOOSE RACING Circlip 630-050SWL

    MOOSE RACING

    $4.95
    MOOSE RACING Circlip 630-050SWLMade in the U.S.A.
    9130071
    SKU:
    9130071
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CIRCLIP
    APPLICATION:
    PISTON
    UNITS:
    SET
    Add to Cart
    $4.95
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    Qty in Cart: 0
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    Price:
    $4.95
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  • MOOSE RACING Clutch Cylinder Guard 125/200 13-095
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    MOOSE RACING Clutch Cylinder Guard 125/200 13-095

    MOOSE RACING

    $42.95
    MOOSE RACING Clutch Cylinder Guard 125/200 13-095CNC-machined aluminum is black anodized and contrast cut for stylish, functional protection, Specialized applications guard hydraulic clutch cylinders and feature knockdown bars to keep your chain in...
    9500192
    SKU:
    9500192
    Availability:
    Ships Same Business Day
    Weight:
    0.42 LBS
    TYPE:
    SLAVE CYLINDER
    COLOR/FINISH:
    ANODIZED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    CASE SAVER
    RIDING STYLE:
    STREET
    Add to Cart
    $42.95
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    Qty in Cart: 0
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    Price:
    $42.95
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  • MOOSE RACING Clutch Cylinder Guard - KTM 13-097
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    MOOSE RACING Clutch Cylinder Guard - KTM 13-097

    MOOSE RACING

    $42.95
    MOOSE RACING Clutch Cylinder Guard KTM 13-097CNC-machined aluminum is black anodized and contrast cut for stylish, functional protection, Specialized applications guard hydraulic clutch cylinders and feature knockdown bars to keep your chain in check,...
    9500194
    SKU:
    9500194
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    CASE SAVER
    TYPE:
    SLAVE CYLINDER
    COLOR/FINISH:
    ANODIZED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $42.95
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    Qty in Cart: 0
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    Price:
    $42.95
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  • MOOSE RACING Cylinder - Standard MSECW50008
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    MOOSE RACING Cylinder - Standard MSECW50008

    MOOSE RACING

    $453.55
    MOOSE RACING Cylinder Standard MSECW50008Replace your damaged or worn OEM cylinder, Made from cast aluminum; nickel silicon carbide plated, Precision-machined and honed to OEM stock bore sizes, Extremely durable low-friction bore surface allows for...
    9310970
    SKU:
    9310970
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    BORE SIZE METRIC:
    STANDARD
    COLOR/FINISH:
    GRAY
    CYLINDER DIAMETER:
    88,00 MM
    CYLINDER DIAMETER METRIC:
    88.00 MM
    ENGINE TYPE:
    4-CYCLE
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    MATERIAL:
    CAST
    PRODUCT NAME:
    CYLINDER
    DISPLACEMENT:
    350 CC
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $453.55
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    Price:
    $453.55
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  • MOOSE RACING Cylinder - Standard MSECW50012
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    MOOSE RACING Cylinder - Standard MSECW50012

    MOOSE RACING

    $373.75
    MOOSE RACING Cylinder Standard MSECW50012Replace your damaged or worn OEM cylinder, Made from cast aluminum; nickel silicon carbide plated, Precision-machined and honed to OEM stock bore sizes, Extremely durable low-friction bore surface allows for...
    9310971
    SKU:
    9310971
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    BORE SIZE METRIC:
    STANDARD
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    39,50 MM
    ENGINE TYPE:
    2-CYCLE
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    GRAY
    CYLINDER DIAMETER METRIC:
    39.50 MM
    DISPLACEMENT:
    50 CC
    MATERIAL:
    CAST
    Add to Cart
    $373.75
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    Price:
    $373.75
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  • MOOSE RACING Countershaft Sprocket Seal Kit - Yamaha 25-4020
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    MOOSE RACING Countershaft Sprocket Seal Kit - Yamaha 25-4020

    MOOSE RACING

    $22.95
    MOOSE RACING Countershaft Sprocket Seal Kit Yamaha 25-4020Kits include hardened steel bushing, an upgraded seal, an O-ring (where applicable) and a snap ring or lock washer (where applicable), Made in the U.S.A.
    9350445
    SKU:
    9350445
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    SEAL KIT
    APPLICATION:
    COUNTERSHAFT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $22.95
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    Qty in Cart: 0
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    Price:
    $22.95
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  • MOOSE RACING Exhaust Gasket Kit 823155
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    MOOSE RACING Exhaust Gasket Kit 823155

    MOOSE RACING

    $20.12
    MOOSE RACING Exhaust Gasket Kit 823155MOOSE RACING Exhaust Gasket Kit
    9345336
    SKU:
    9345336
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    EXHAUST
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    $20.12
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    Qty in Cart: 0
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    $20.12
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  • MOOSE RACING Case Saver - RMZ250 0950-0520
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    MOOSE RACING Case Saver - RMZ250 0950-0520

    MOOSE RACING

    $27.95
    MOOSE RACING Case Saver RMZ250 0950-0520Sturdy 6061 CNC-machined aluminum pieces help to prevent engine case damage, Better looking and more sturdy than OEM plastic guards, Engraved logo, Mounting hardware included, Made in the U.S.A.
    9500520
    SKU:
    9500520
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    CASE SAVER
    TYPE:
    ENGINE
    BASE COLOR:
    SILVER
    MATERIAL:
    6061 ALUMINUM
    COLOR/FINISH:
    ALUMINUM
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $27.95
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    Qty in Cart: 0
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    Price:
    $27.95
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  • MOOSE RACING Complete Motor Gasket Kit - TW200 808642
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    MOOSE RACING Complete Motor Gasket Kit - TW200 808642

    MOOSE RACING

    $66.79
    MOOSE RACING Complete Motor Gasket Kit TW200 808642Moose 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...
    9344785
    SKU:
    9344785
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    TYPE:
    ENGINE
    TYPE:
    COMPLETE
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    Add to Cart
    $66.79
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $66.79
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  • MOOSE RACING Motor Seals - CR125R 822107
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    MOOSE RACING Motor Seals - CR125R 822107

    MOOSE RACING

    $26.29
    MOOSE RACING Motor Seals CR125R 822107Moose 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...
    M822107
    SKU:
    M822107
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    TYPE:
    OIL
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    UNITS:
    SET
    Add to Cart
    $26.29
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $26.29
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  • MOOSE RACING Motor Seals - CR250/500 822110
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    MOOSE RACING Motor Seals - CR250/500 822110

    MOOSE RACING

    $24.81
    MOOSE RACING Motor Seals CR250/500 822110Moose 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...
    M822110
    SKU:
    M822110
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    UNITS:
    SET
    PRODUCT NAME:
    SEAL
    Add to Cart
    $24.81
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    Qty in Cart: 0
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    Price:
    $24.81
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  • MOOSE RACING Motor Seals - CR250 822111
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    MOOSE RACING Motor Seals - CR250 822111

    MOOSE RACING

    $24.36
    MOOSE RACING Motor Seals CR250 822111Moose 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...
    M822111
    SKU:
    M822111
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    PRODUCT NAME:
    SEAL
    UNITS:
    SET
    Add to Cart
    $24.36
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $24.36
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  • MOOSE RACING Motor Seals - YZ125 822114
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    MOOSE RACING Motor Seals - YZ125 822114

    MOOSE RACING

    $28.74
    MOOSE RACING Motor Seals YZ125 822114Moose 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...
    M822114
    SKU:
    M822114
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    UNITS:
    SET
    Add to Cart
    $28.74
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $28.74
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  • MOOSE RACING Top End Gasket - KX125 03 810430
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    MOOSE RACING Top End Gasket - KX125 03 810430

    MOOSE RACING

    $33.38
    MOOSE RACING Top End Gasket KX125 03 810430Moose 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...
    9340072
    SKU:
    9340072
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET
    Add to Cart
    $33.38
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $33.38
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  • MOOSE RACING Top End Gasket - KLX/DRZ110 810415
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    MOOSE RACING Top End Gasket - KLX/DRZ110 810415

    MOOSE RACING

    $33.38
    MOOSE RACING Top End Gasket KLX/DRZ110 810415Moose 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...
    9340073
    SKU:
    9340073
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    TYPE:
    TOP END
    Add to Cart
    $33.38
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $33.38
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  • MOOSE RACING Top End Gasket - DRZ125 810531
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    MOOSE RACING Top End Gasket - DRZ125 810531

    MOOSE RACING

    $30.95
    MOOSE RACING Top End Gasket DRZ125 810531Moose 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...
    9340074
    SKU:
    9340074
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET
    Add to Cart
    $30.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
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  • MOOSE RACING Motor Seals - YZ250 822122
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    MOOSE RACING Motor Seals - YZ250 822122

    MOOSE RACING

    $31.08
    MOOSE RACING Motor Seals YZ250 822122Moose 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...
    M822122
    SKU:
    M822122
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    UNITS:
    SET
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $31.08
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $31.08
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  • MOOSE RACING Top End Gasket - YZ450F/YFZ 810677
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    MOOSE RACING Top End Gasket - YZ450F/YFZ 810677

    MOOSE RACING

    $59.39
    MOOSE RACING Top End Gasket YZ450F/YFZ 810677Moose 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...
    9340081
    SKU:
    9340081
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    Add to Cart
    $59.39
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $59.39
    Subtotal:
    Add to Cart
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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