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 Exhaust Gasket Kit 823176
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    MOOSE RACING Exhaust Gasket Kit 823176

    MOOSE RACING

    $19.76
    MOOSE RACING Exhaust Gasket Kit 823176MOOSE RACING Exhaust Gasket Kit
    9345351
    SKU:
    9345351
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    EXHAUST
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $19.76
    Add to Cart Quick view
    Qty in Cart: 0
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    Price:
    $19.76
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  • MOOSE RACING Exhaust Gasket Kit 823187
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    MOOSE RACING Exhaust Gasket Kit 823187

    MOOSE RACING

    $32.14
    MOOSE RACING Exhaust Gasket Kit 823187MOOSE RACING Exhaust Gasket Kit
    9345352
    SKU:
    9345352
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    EXHAUST
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $32.14
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    $32.14
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  • MOOSE RACING Complete Gasket Kit 808374
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    MOOSE RACING Complete Gasket Kit 808374

    MOOSE RACING

    $108.41
    MOOSE RACING Complete Gasket Kit 808374Moose 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...
    9345357
    SKU:
    9345357
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    TYPE:
    ENGINE
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    Add to Cart
    $108.41
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    Price:
    $108.41
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  • MOOSE RACING Complete Motor Gasket Kit - KX450F 808485
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    MOOSE RACING Complete Motor Gasket Kit - KX450F 808485

    MOOSE RACING

    $151.29
    MOOSE RACING Complete Motor Gasket Kit KX450F 808485Moose 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...
    9345358
    SKU:
    9345358
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    TYPE:
    ENGINE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET
    Add to Cart
    $151.29
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    Qty in Cart: 0
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    Price:
    $151.29
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  • MOOSE RACING Valve Seal Kit M30-31540
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    MOOSE RACING Valve Seal Kit M30-31540

    MOOSE RACING

    $21.95
    MOOSE RACING Valve Seal Kit M30-31540Contact 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
    9262819
    SKU:
    9262819
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SEAL KIT
    TYPE:
    VALVE STEM
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    COLOR/FINISH:
    RED
    BASE COLOR:
    RED
    MATERIAL:
    VITON
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $21.95
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    Qty in Cart: 0
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    Price:
    $21.95
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  • MOOSE RACING Valve Seal Kit M40-40160
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    MOOSE RACING Valve Seal Kit M40-40160

    MOOSE RACING

    $21.95
    MOOSE RACING Valve Seal Kit M40-40160Contact 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
    9262822
    SKU:
    9262822
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    VITON
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    COLOR/FINISH:
    RED
    PRODUCT NAME:
    SEAL KIT
    APPLICATION:
    EXHAUST
    BASE COLOR:
    RED
    TYPE:
    VALVE STEM
    Add to Cart
    $21.95
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    Qty in Cart: 0
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    Price:
    $21.95
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  • MOOSE RACING Valve Seal Kit M40-40370
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    MOOSE RACING Valve Seal Kit M40-40370

    MOOSE RACING

    $21.95
    MOOSE RACING Valve Seal Kit M40-40370Contact 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
    9262823
    SKU:
    9262823
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    APPLICATION:
    INTAKE
    BASE COLOR:
    RED
    COLOR/FINISH:
    RED
    MATERIAL:
    VITON
    PRODUCT NAME:
    SEAL KIT
    TYPE:
    VALVE STEM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    Add to Cart
    $21.95
    Add to Cart Quick view
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    Price:
    $21.95
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  • MOOSE RACING Valve Seal Kit M40-40790
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    MOOSE RACING Valve Seal Kit M40-40790

    MOOSE RACING

    $21.95
    MOOSE RACING Valve Seal Kit M40-40790Contact 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
    9262824
    SKU:
    9262824
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    INTAKE
    BASE COLOR:
    RED
    COLOR/FINISH:
    RED
    MATERIAL:
    VITON
    TYPE:
    VALVE STEM
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SEAL KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $21.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
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  • MOOSE RACING Cylinder - Standard MSE10006
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    MOOSE RACING Cylinder - Standard MSE10006

    MOOSE RACING

    $373.75
    MOOSE RACING Cylinder Standard MSE10006Replace 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 greater...
    9310446
    SKU:
    9310446
    Availability:
    Ships Same Business Day
    Weight:
    3.23 LBS
    MATERIAL:
    CAST
    PRODUCT NAME:
    CYLINDER
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $373.75
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    Qty in Cart: 0
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    Price:
    $373.75
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  • MOOSE RACING Cylinder - Standard MSE20001
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    MOOSE RACING Cylinder - Standard MSE20001

    MOOSE RACING

    $352.75
    MOOSE RACING Cylinder Standard MSE20001Replace 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 greater...
    9310450
    SKU:
    9310450
    Availability:
    Ships Same Business Day
    Weight:
    3.44 LBS
    MATERIAL:
    CAST
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    Add to Cart
    $352.75
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    Qty in Cart: 0
    Quantity:
    Price:
    $352.75
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  • MOOSE RACING Magnetic Drain Plug DP127
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    MOOSE RACING Magnetic Drain Plug DP127

    MOOSE RACING

    $23.95
    MOOSE RACING Magnetic Drain Plug DP127Made from 7075 lightweight aluminum, Prolong engine life by pulling metal filings out of the oil, Ultra-powerful magnets, Come with either O-ring or washer sealing surface, Compare with original OEM plug before...
    9200054
    SKU:
    9200054
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    DIAMETER - THREAD SIZE METRIC:
    M14 X 1.50 X 13 MM
    FEATURES:
    MAGNETIC
    MATERIAL:
    7075 ALUMINUM
    COLOR/FINISH:
    RED
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    PRODUCT NAME:
    PLUG
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DRAIN
    Add to Cart
    $23.95
    Add to Cart Quick view
    Qty in Cart: 0
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    Price:
    $23.95
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  • MOOSE RACING Magnetic Drain Plug DP129
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    MOOSE RACING Magnetic Drain Plug DP129

    MOOSE RACING

    $23.95
    MOOSE RACING Magnetic Drain Plug DP129Made from 7075 lightweight aluminum, Prolong engine life by pulling metal filings out of the oil, Ultra-powerful magnets, Come with either O-ring or washer sealing surface, Compare with original OEM plug before...
    9200065
    SKU:
    9200065
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    COLOR/FINISH:
    RED
    DIAMETER - THREAD SIZE METRIC:
    M8 X 1.25 X 20 MM
    PRODUCT NAME:
    PLUG
    UNITS:
    EACH
    FEATURES:
    MAGNETIC
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DRAIN
    MATERIAL:
    7075 ALUMINUM
    Add to Cart
    $23.95
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    Qty in Cart: 0
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    Price:
    $23.95
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  • MOOSE RACING Piston Ring - For 57.95 mm Piston MSE53010005800
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    MOOSE RACING Piston Ring - For 57.95 mm Piston MSE53010005800

    MOOSE RACING

    $26.20
    MOOSE RACING Piston Ring For 57.95 mm Piston MSE53010005800Replacement Piston Ring
    9120844
    SKU:
    9120844
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    PISTON RING
    PISTON SIZE METRIC:
    STANDARD
    Add to Cart
    $26.20
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $26.20
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  • MOOSE RACING Piston Ring - For 57.95 mm Piston MSE55910005800
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    MOOSE RACING Piston Ring - For 57.95 mm Piston MSE55910005800

    MOOSE RACING

    $38.80
    MOOSE RACING Piston Ring For 57.95 mm Piston MSE55910005800Replacement Piston Ring
    9120845
    SKU:
    9120845
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    OFF-ROAD
    PISTON SIZE METRIC:
    STANDARD
    Add to Cart
    $38.80
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $38.80
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  • MOOSE RACING Piston Ring - For 51.95 mm Piston MSE53010005200
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    MOOSE RACING Piston Ring - For 51.95 mm Piston MSE53010005200

    MOOSE RACING

    $25.95
    MOOSE RACING Piston Ring For 51.95 mm Piston MSE53010005200Replacement Piston Ring
    9120400
    SKU:
    9120400
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    PISTON SIZE METRIC:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    PISTON RING
    UNITS:
    EACH
    Add to Cart
    $25.95
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    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
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  • MOOSE RACING Motor Gasket Kit with Seal - KDX/JR 811416
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    MOOSE RACING Motor Gasket Kit with Seal - KDX/JR 811416

    MOOSE RACING

    $42.95
    MOOSE RACING Motor Gasket Kit with Seal KDX/JR 811416Moose 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...
    9340485
    SKU:
    9340485
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    Add to Cart
    $42.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $42.95
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  • MOOSE RACING Top End Gasket Kit - RM125 810550
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    MOOSE RACING Top End Gasket Kit - RM125 810550

    MOOSE RACING

    $27.18
    MOOSE RACING Top End Gasket Kit RM125 810550Moose 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...
    9340486
    SKU:
    9340486
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    PRODUCT NAME:
    GASKET
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $27.18
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $27.18
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  • MOOSE RACING Complete Motor Gasket Kit - RM125 808550
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    MOOSE RACING Complete Motor Gasket Kit - RM125 808550

    MOOSE RACING

    $71.83
    MOOSE RACING Complete Motor Gasket Kit RM125 808550Moose 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...
    9340487
    SKU:
    9340487
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    TYPE:
    COMPLETE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET
    TYPE:
    ENGINE
    Add to Cart
    $71.83
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $71.83
    Subtotal:
    Add to Cart
  • MOOSE RACING Motor Gasket Kit with Seal - RM125 811550
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    MOOSE RACING Motor Gasket Kit with Seal - RM125 811550

    MOOSE RACING

    $88.63
    MOOSE RACING Motor Gasket Kit with Seal RM125 811550Moose 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...
    9340488
    SKU:
    9340488
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    Add to Cart
    $88.63
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $88.63
    Subtotal:
    Add to Cart
  • MOOSE RACING Complete Motor Gasket Kit - TTR125 808640
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    MOOSE RACING Complete Motor Gasket Kit - TTR125 808640

    MOOSE RACING

    $63.00
    MOOSE RACING Complete Motor Gasket Kit TTR125 808640Moose 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...
    9340489
    SKU:
    9340489
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET
    TYPE:
    ENGINE
    Add to Cart
    $63.00
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $63.00
    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