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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  • WINDEROSA Carb Base Gasket - Mikuni 44M 619125
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    WINDEROSA Carb Base Gasket - Mikuni 44M 619125

    WINDEROSA

    $9.95
    WINDEROSA Carb Base Gasket Mikuni 44M 619125Manufactured from compressed micropore material for ultimate sealing and durability, Replace worn or damaged base gaskets when doing a carb rebuild
    9342622
    SKU:
    9342622
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    WATERCRAFT
    STYLE:
    MIKUNI
    BORE SIZE:
    44,00 MM
    BORE SIZE METRIC:
    44.00 MM
    TYPE:
    CARBURETOR INTAKE
    PRODUCT NAME:
    GASKET
    UNITS:
    10 PACK
    MATERIAL:
    MICROPORE COMPOUND
    Add to Cart
    $9.95
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    $9.95
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  • WINDEROSA Complete Gasket Kit - Kawasaki 650 611104
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    WINDEROSA Complete Gasket Kit - Kawasaki 650 611104

    WINDEROSA

    $84.25
    WINDEROSA Complete Gasket Kit Kawasaki 650 611104Full engine gasket set includes bases, heads, intakes and crankshaft oil seals, Made in the U.S.A.
    PD810345
    SKU:
    PD810345
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    TYPE:
    COMPLETE
    RIDING STYLE:
    WATERCRAFT
    PRODUCT NAME:
    GASKET SET
    UNITS:
    SET
    Add to Cart
    $84.25
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    $84.25
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  • WINDEROSA Carb Base Gasket - Mikuni 46M 619126
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    WINDEROSA Carb Base Gasket - Mikuni 46M 619126

    WINDEROSA

    $9.95
    WINDEROSA Carb Base Gasket Mikuni 46M 619126Manufactured from compressed micropore material for ultimate sealing and durability, Replace worn or damaged base gaskets when doing a carb rebuild
    9342623
    SKU:
    9342623
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    BORE SIZE METRIC:
    46.00 MM
    MATERIAL:
    MICROPORE COMPOUND
    TYPE:
    CARBURETOR INTAKE
    RIDING STYLE:
    WATERCRAFT
    STYLE:
    MIKUNI
    PRODUCT NAME:
    GASKET
    UNITS:
    10 PACK
    BORE SIZE:
    46,00 MM
    Add to Cart
    $9.95
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    $9.95
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  • WORKS CONNECTION Engine Timing Plug - Red - Honda 24-508
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    WORKS CONNECTION Engine Timing Plug - Red - Honda 24-508

    WORKS CONNECTION

    $49.95
    WORKS CONNECTION Engine Timing Plug Red Honda 24-508Precision-machined from 6061 T-6 aluminum, Simple positive installation with an Allen wrench, Set of two plugs replaces the stock plugs, Polished to a mirror finish prior to anodizing, resulting in a...
    9500092
    SKU:
    9500092
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    ANODIZED
    MATERIAL:
    6061 T-6 ALUMINUM
    COLOR/FINISH:
    RED
    TYPE:
    ENGINE
    UNITS:
    SET
    PRODUCT NAME:
    PLUG
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $49.95
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    $49.95
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  • MOOSE RACING Washer/Snap Ring Counter Shaft 25-6016
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    MOOSE RACING Washer/Snap Ring Counter Shaft 25-6016

    MOOSE RACING

    $35.95
    MOOSE RACING Washer/Snap Ring Counter Shaft 25-6016Always have the countershaft lock-washers and snap rings on hand for a front sprocket replacement
    9350495
    SKU:
    9350495
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    10 PACK
    APPLICATION:
    COUNTERSHAFT
    PRODUCT NAME:
    WASHER
    RIDING STYLE:
    STREET
    Add to Cart
    $35.95
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    Qty in Cart: 0
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    $35.95
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  • MOOSE RACING Valve Shim - 7.48 x 2.25 - 5 pack MSE5PK748225
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    MOOSE RACING Valve Shim - 7.48 x 2.25 - 5 pack MSE5PK748225

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 7.48 x 2.25 5 pack MSE5PK748225Complete 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...
    9261879
    SKU:
    9261879
    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
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    2.25 MM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    Add to Cart
    $9.95
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    $9.95
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  • MOOSE RACING Valve Shim - 9.48 x 1.60 - 5 pack MSE5PK948160
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    MOOSE RACING Valve Shim - 9.48 x 1.60 - 5 pack MSE5PK948160

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 9.48 x 1.60 5 pack MSE5PK948160Complete 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...
    9261936
    SKU:
    9261936
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    OUTSIDE DIAMETER METRIC:
    9.48 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    MATERIAL:
    ROLLED
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    1.60 MM
    Add to Cart
    $9.95
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    $9.95
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  • MOOSE RACING Valve Shim - 9.48 x 2.90 - 5 pack MSE5PK948290
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    MOOSE RACING Valve Shim - 9.48 x 2.90 - 5 pack MSE5PK948290

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 9.48 x 2.90 5 pack MSE5PK948290Complete 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...
    9261962
    SKU:
    9261962
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    OUTSIDE DIAMETER METRIC:
    9.48 MM
    RIDING STYLE:
    SNOW
    VALVE SHIM THICKNESS METRIC:
    2.90 MM
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    Add to Cart
    $9.95
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    Qty in Cart: 0
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    Price:
    $9.95
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  • MOOSE RACING Complete Motor Gasket Kit without Seals - CRF250R 8110030
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    MOOSE RACING Complete Motor Gasket Kit without Seals - CRF250R 8110030

    MOOSE RACING

    $196.77
    MOOSE RACING Complete Motor Gasket Kit without Seals CRF250R 8110030Moose 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...
    9346453
    SKU:
    9346453
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    TYPE:
    ENGINE
    Add to Cart
    $196.77
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    Qty in Cart: 0
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    Price:
    $196.77
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  • MOOSE RACING Ignition Cover Gasket 816551
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    MOOSE RACING Ignition Cover Gasket 816551

    MOOSE RACING

    $7.02
    MOOSE RACING Ignition Cover Gasket 816551Moose 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...
    9346576
    SKU:
    9346576
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    TYPE:
    IGNITION COVER
    Add to Cart
    $7.02
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    Qty in Cart: 0
    Quantity:
    Price:
    $7.02
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  • MOOSE RACING Ignition Cover Gasket 816758
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    MOOSE RACING Ignition Cover Gasket 816758

    MOOSE RACING

    $12.56
    MOOSE RACING Ignition Cover Gasket 816758Made in the U.S.A.
    9346170
    SKU:
    9346170
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    ENGINE TYPE:
    4-STROKE
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    IGNITION COVER
    Add to Cart
    $12.56
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    Qty in Cart: 0
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    Price:
    $12.56
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  • MOOSE RACING Clutch Cover Gasket 816595
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    MOOSE RACING Clutch Cover Gasket 816595

    MOOSE RACING

    $12.95
    MOOSE RACING Clutch Cover Gasket 816595Moose 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...
    9346897
    SKU:
    9346897
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    Add to Cart
    $12.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
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  • MOOSE RACING Ring Set - For 78 mm Piston CP7800C
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    MOOSE RACING Ring Set - For 78 mm Piston CP7800C

    MOOSE RACING

    $35.95
    MOOSE RACING Ring Set For 78 mm Piston CP7800CMade in the U.S.A., Be sure to use race fuel with some applications
    9120239
    SKU:
    9120239
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    OFF-ROAD
    PISTON SIZE METRIC:
    STANDARD
    UNITS:
    SET
    Add to Cart
    $35.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
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  • MOOSE RACING Ring Set - For 66 mm Piston CP6600C
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    MOOSE RACING Ring Set - For 66 mm Piston CP6600C

    MOOSE RACING

    $35.95
    MOOSE RACING Ring Set For 66 mm Piston CP6600CMade in the U.S.A., Be sure to use race fuel with some applications
    9120240
    SKU:
    9120240
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    PISTON RING
    PISTON SIZE METRIC:
    STANDARD
    Add to Cart
    $35.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
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  • MOOSE RACING Ring Set - For 77 mm Piston CP7700C
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    MOOSE RACING Ring Set - For 77 mm Piston CP7700C

    MOOSE RACING

    $35.95
    MOOSE RACING Ring Set For 77 mm Piston CP7700CMade in the U.S.A., Be sure to use race fuel with some applications
    9120241
    SKU:
    9120241
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    4-STROKE
    PISTON SIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON RING
    UNITS:
    SET
    Add to Cart
    $35.95
    Add to Cart Quick view
    Qty in Cart: 0
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    Price:
    $35.95
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  • MOOSE RACING Ring Set - For 95.5 mm Piston CPN2-2-3759
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    MOOSE RACING Ring Set - For 95.5 mm Piston CPN2-2-3759

    MOOSE RACING

    $35.95
    MOOSE RACING Ring Set For 95.5 mm Piston CPN2-2-3759Made in the U.S.A., Be sure to use race fuel with some applications
    9120242
    SKU:
    9120242
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    OFF-ROAD
    PISTON SIZE METRIC:
    STANDARD
    RIDING STYLE:
    ATV
    UNITS:
    SET
    Add to Cart
    $35.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
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  • MOOSE RACING Ring Set - For 95 mm Piston CPN2-3740
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    MOOSE RACING Ring Set - For 95 mm Piston CPN2-3740

    MOOSE RACING

    $35.95
    MOOSE RACING Ring Set For 95 mm Piston CPN2-3740Made in the U.S.A., Be sure to use race fuel with some applications
    9120244
    SKU:
    9120244
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    OFF-ROAD
    PISTON SIZE METRIC:
    STANDARD
    UNITS:
    SET
    Add to Cart
    $35.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
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  • MOOSE RACING Cylinder - Standard - KTM MSE50004
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    MOOSE RACING Cylinder - Standard - KTM MSE50004

    MOOSE RACING

    $453.55
    MOOSE RACING Cylinder Standard KTM MSE50004Replace 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...
    9310626
    SKU:
    9310626
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    Ships from Manufacture | Call to Order (231) 767-5055
    $453.55
    Ships from Manufacture | Call to Order (231) 767-5055 Quick view
    Qty in Cart: 0
    Price:
    $453.55
    Subtotal:
    Ships from Manufacture | Call to Order (231) 767-5055
  • MOOSE RACING Valve Shim - 10.0 x 3.25 - 5 pack MSE5PK1000325
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    MOOSE RACING Valve Shim - 10.0 x 3.25 - 5 pack MSE5PK1000325

    MOOSE RACING

    $1.95
    MOOSE RACING Valve Shim 10.0 x 3.25 5 pack MSE5PK1000325MOOSE RACING Valve Shim - 10.0 x 3.25 - 5 pack
    9262040
    SKU:
    9262040
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    Ships from Manufacture | Call to Order (231) 767-5055
    $1.95
    Ships from Manufacture | Call to Order (231) 767-5055 Quick view
    Qty in Cart: 0
    Price:
    $1.95
    Subtotal:
    Ships from Manufacture | Call to Order (231) 767-5055
  • MOOSE RACING Piston Kit - 44.97 mm MSE23430CD
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    MOOSE RACING Piston Kit - 44.97 mm MSE23430CD

    MOOSE RACING

    $89.95
    MOOSE RACING Piston Kit 44.97 mm MSE23430CDGravity cast aluminum alloy with 18% silicon to increase resistance to wear and decrease thermal distortion, thus providing a longer piston life, Coated skirts ease break-in, decreasing wear and aiding in...
    9102717
    SKU:
    9102717
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    PISTON MATERIAL:
    ALUMINUM ALLOY
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    44.97 MM
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $89.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $89.95
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    Add to Cart
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Maxima Racing Oils for sale

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