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 Inner Clutch Cover Gasket 816250
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    MOOSE RACING Inner Clutch Cover Gasket 816250

    MOOSE RACING

    $15.08
    MOOSE RACING Inner Clutch Cover Gasket 816250Moose 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...
    9346130
    SKU:
    9346130
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    Add to Cart
    $15.08
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    $15.08
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  • MOOSE RACING Inner Clutch Cover Gasket 816255
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    MOOSE RACING Inner Clutch Cover Gasket 816255

    MOOSE RACING

    $12.80
    MOOSE RACING Inner Clutch Cover Gasket 816255Moose 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...
    9346132
    SKU:
    9346132
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
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    $12.80
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    $12.80
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  • MOOSE RACING Inner Clutch Cover Gasket 816256
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    MOOSE RACING Inner Clutch Cover Gasket 816256

    MOOSE RACING

    $15.38
    MOOSE RACING Inner Clutch Cover Gasket 816256Moose 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...
    9346133
    SKU:
    9346133
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    Add to Cart
    $15.38
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    $15.38
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  • MOOSE RACING Inner Clutch Cover Gasket 816263
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    MOOSE RACING Inner Clutch Cover Gasket 816263

    MOOSE RACING

    $15.57
    MOOSE RACING Inner Clutch Cover Gasket 816263Moose 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...
    9346134
    SKU:
    9346134
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    Add to Cart
    $15.57
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    $15.57
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  • MOOSE RACING Case Saver - KX250 0950-0113
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    MOOSE RACING Case Saver - KX250 0950-0113

    MOOSE RACING

    $27.95
    MOOSE RACING Case Saver KX250 0950-0113Sturdy 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.
    9500113
    SKU:
    9500113
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    COLOR/FINISH:
    ALUMINUM
    PRODUCT NAME:
    CASE SAVER
    TYPE:
    ENGINE
    BASE COLOR:
    SILVER
    MATERIAL:
    6061 ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Add to Cart
    $27.95
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    Qty in Cart: 0
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    $27.95
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  • MOOSE RACING Fuel Filter with Screen - 5/16" 118-9015
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    MOOSE RACING Fuel Filter with Screen - 5/16" 118-9015

    MOOSE RACING

    $11.95
    MOOSE RACING Fuel Filter with Screen 5/16" 118-9015In line fuel filter for fuel lines, Sonic-welded housing, Safe for all fuels
    7070031
    SKU:
    7070031
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BODY OUTSIDE DIAMETER IMPERIAL:
    1-9/16'
    FILTER BODY MATERIAL:
    GLASS
    FOR FUEL LINE SIZE IMPERIAL:
    5/16'
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    BASE COLOR:
    CLEAR
    FOR FUEL LINE SIZE METRIC:
    7.9 MM
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    FEATURES:
    INCLUDES FILTER
    PRODUCT NAME:
    FUEL FILTER
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    INLINE
    BODY LENGTH IMPERIAL:
    1/2'
    COLOR/FINISH:
    CLEAR
    FILTER MEDIA MATERIAL:
    STAINLESS STEEL
    INLINE FILTER ANGLE:
    STRAIGHT
    MICRON RATING:
    60 MICRONS
    Add to Cart
    $11.95
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    Price:
    $11.95
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  • MOOSE RACING Clutch Cover Gasket 817826
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    MOOSE RACING Clutch Cover Gasket 817826

    MOOSE RACING

    $7.68
    MOOSE RACING Clutch Cover Gasket 817826Moose 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...
    9341460
    SKU:
    9341460
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    Add to Cart
    $7.68
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    Qty in Cart: 0
    Quantity:
    Price:
    $7.68
    Subtotal:
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  • MOOSE RACING Clutch Cover Gasket 817841
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    MOOSE RACING Clutch Cover Gasket 817841

    MOOSE RACING

    $13.15
    MOOSE RACING Clutch Cover Gasket 817841Moose 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...
    9341461
    SKU:
    9341461
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    Add to Cart
    $13.15
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    Qty in Cart: 0
    Quantity:
    Price:
    $13.15
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  • MOOSE RACING Head Cover Gasket - CRF250 817844
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    MOOSE RACING Head Cover Gasket - CRF250 817844

    MOOSE RACING

    $16.58
    MOOSE RACING Head Cover Gasket CRF250 817844Moose 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...
    9341462
    SKU:
    9341462
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MATERIAL:
    RUBBER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    HEAD COVER
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    Add to Cart
    $16.58
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    Qty in Cart: 0
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    Price:
    $16.58
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  • MOOSE RACING Head Cover Gasket - CRF450 817845
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    MOOSE RACING Head Cover Gasket - CRF450 817845

    MOOSE RACING

    $14.44
    MOOSE RACING Head Cover Gasket CRF450 817845Moose 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...
    9341463
    SKU:
    9341463
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    MATERIAL:
    RUBBER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    HEAD COVER
    Add to Cart
    $14.44
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    Qty in Cart: 0
    Quantity:
    Price:
    $14.44
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  • MOOSE RACING Head Cover Gasket - KXF/RMZ 817846
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    MOOSE RACING Head Cover Gasket - KXF/RMZ 817846

    MOOSE RACING

    $21.55
    MOOSE RACING Head Cover Gasket KXF/RMZ 817846Moose 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...
    9341464
    SKU:
    9341464
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MATERIAL:
    RUBBER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    HEAD COVER
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    Add to Cart
    $21.55
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    Qty in Cart: 0
    Quantity:
    Price:
    $21.55
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  • MOOSE RACING Head Cover Gasket - RMZ450 817847
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    MOOSE RACING Head Cover Gasket - RMZ450 817847

    MOOSE RACING

    $21.93
    MOOSE RACING Head Cover Gasket RMZ450 817847Moose 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...
    9341465
    SKU:
    9341465
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    MATERIAL:
    RUBBER
    TYPE:
    HEAD COVER
    Add to Cart
    $21.93
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    Qty in Cart: 0
    Quantity:
    Price:
    $21.93
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  • MOOSE RACING Crankcase Bearing and Seal Kit 24-1027
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    MOOSE RACING Crankcase Bearing and Seal Kit 24-1027

    MOOSE RACING

    $87.95
    MOOSE RACING Crankcase Bearing and Seal Kit 24-1027Precision 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,...
    A241027
    SKU:
    A241027
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    TYPE:
    CRANK
    PRODUCT NAME:
    BEARING KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $87.95
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    $87.95
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  • MOOSE RACING Crankcase Bearing and Seal Kit 24-1028
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    MOOSE RACING Crankcase Bearing and Seal Kit 24-1028

    MOOSE RACING

    $88.95
    MOOSE RACING Crankcase Bearing and Seal Kit 24-1028Precision 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,...
    A241028
    SKU:
    A241028
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    PRODUCT NAME:
    BEARING KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CRANK
    UNITS:
    KIT
    Add to Cart
    $88.95
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    Qty in Cart: 0
    Quantity:
    Price:
    $88.95
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  • MOOSE RACING Ignition Cover Gasket 816702
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    MOOSE RACING Ignition Cover Gasket 816702

    MOOSE RACING

    $9.71
    MOOSE RACING Ignition Cover Gasket 816702Moose 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...
    9341901
    SKU:
    9341901
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    TYPE:
    IGNITION COVER
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Add to Cart
    $9.71
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $9.71
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  • MOOSE RACING Top End Gasket Kit - 50 SX 810337
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    MOOSE RACING Top End Gasket Kit - 50 SX 810337

    MOOSE RACING

    $26.68
    MOOSE RACING Top End Gasket Kit 50 SX 810337Moose 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...
    9341904
    SKU:
    9341904
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET
    TYPE:
    TOP END
    Add to Cart
    $26.68
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    Qty in Cart: 0
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    Price:
    $26.68
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  • MOOSE RACING Top End Gasket Kit - 65 XC/SX 810338
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    MOOSE RACING Top End Gasket Kit - 65 XC/SX 810338

    MOOSE RACING

    $29.12
    MOOSE RACING Top End Gasket Kit 65 XC/SX 810338Moose 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...
    9341906
    SKU:
    9341906
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    TOP END
    Add to Cart
    $29.12
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $29.12
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  • MOOSE RACING Water Pump Rebuild Kit 821212
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    MOOSE RACING Water Pump Rebuild Kit 821212

    MOOSE RACING

    $52.26
    MOOSE RACING Water Pump Rebuild Kit 821212Include 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...
    9345178
    SKU:
    9345178
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    REPAIR KIT
    TYPE:
    WATER PUMP
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $52.26
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $52.26
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  • MOOSE RACING Valve Kit M30-32285
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    MOOSE RACING Valve Kit M30-32285

    MOOSE RACING

    $249.95
    MOOSE RACING Valve Kit M30-32285Kitted sets of intake and exhaust valves designed to match the OE material specifications for drop-in compatibility (no need to reconfigure spring pack from OE specs), Valves are constructed of Tensilite Titanium and Black...
    9262579
    SKU:
    9262579
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MATERIAL:
    TITANIUM
    MODEL:
    PRO
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE KIT
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $249.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $249.95
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  • MOOSE RACING Valve Seal Kit M96-96320
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    MOOSE RACING Valve Seal Kit M96-96320

    MOOSE RACING

    $21.95
    MOOSE RACING Valve Seal Kit M96-96320Contact 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
    9262836
    SKU:
    9262836
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    SEAL KIT
    TYPE:
    VALVE STEM
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    APPLICATION:
    INTAKE
    COLOR/FINISH:
    RED
    BASE COLOR:
    RED
    MATERIAL:
    VITON
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $21.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
    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