Dirt Bike Engine

Dirt Bike Engine

Dirt Bike 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!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    HOT RODS Crank Bearings K089

    HOT RODS Crank Bearings K089

    HOT RODS

    MSRP: $66.95
    Now: $61.16
    Was: $68.95
    HOT RODS Crank Bearings K089Seal kits complement installation of Hot Rods crankshaft assemblies
    09240403
    SKU:
    09240403
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    APPLICATION:
    MAIN CRANKSHAFT
    PRODUCT NAME:
    BEARING SET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $66.95
    Now: $61.16
    Was: $68.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $66.95
    Now: $61.16
    Was: $68.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft - Stroker 4199 HOT RODS Crankshaft - Stroker 4199

    HOT RODS Crankshaft - Stroker 4199

    HOT RODS

    MSRP: $369.95
    Now: $332.96
    Was: $369.95
    HOT RODS Crankshaft Stroker 4199Hot Rods has developed six long-stroke applications for ATVs, Special pistons for TRX400EX, KFX/LTZ 400, Banshee, Warrior and Raptor make these installations simple by avoiding machine work and parts typically required for...
    09210220
    SKU:
    09210220
    Availability:
    Ships Same Business Day
    Weight:
    9.30 LBS
    FEATURES:
    HEAVY DUTY CRANKSHAFT
    MATERIAL:
    4140 STEEL
    MODEL:
    4-CYCLE
    STROKE LENGTH:
    56,60 MM
    UNITS:
    ASSEMBLY
    COLOR/FINISH:
    STEEL
    DISPLACEMENT:
    263 CC
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    56.60 MM
    TYPE:
    STROKER
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    MSRP: $369.95
    Now: $332.96
    Was: $369.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $369.95
    Now: $332.96
    Was: $369.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBKW002

    HOT RODS Crankshaft Kit CBKW002

    HOT RODS

    MSRP: $830.95
    Now: $763.16
    Was: $847.95
    HOT RODS Crankshaft Kit CBKW002Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210462
    SKU:
    09210462
    Availability:
    Ships Same Business Day
    Weight:
    25.05 LBS
    TYPE:
    OEM
    UNITS:
    KIT
    RIDING STYLE:
    WATERCRAFT
    PRODUCT NAME:
    CRANKSHAFT KIT
    MSRP: $830.95
    Now: $763.16
    Was: $847.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $830.95
    Now: $763.16
    Was: $847.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit 4427

    HOT RODS Crankshaft Kit 4427

    HOT RODS

    MSRP: $452.95
    Now: $415.76
    Was: $468.95
    HOT RODS Crankshaft Kit 4427Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely rebuildable...
    09210783
    SKU:
    09210783
    Availability:
    Ships Same Business Day
    Weight:
    7.05 LBS
    DISPLACEMENT:
    250 CC
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    53.60 MM
    TYPE:
    OEM STROKE
    FEATURES:
    STANDARD CRANKSHAFT
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    4-CYCLE
    COLOR/FINISH:
    STEEL
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    UNITS:
    ASSEMBLY
    MSRP: $452.95
    Now: $415.76
    Was: $468.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $452.95
    Now: $415.76
    Was: $468.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit 4428

    HOT RODS Crankshaft Kit 4428

    HOT RODS

    MSRP: $420.95
    Now: $386.06
    Was: $434.95
    HOT RODS Crankshaft Kit 4428Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely rebuildable...
    09210784
    SKU:
    09210784
    Availability:
    Ships Same Business Day
    Weight:
    9.85 LBS
    FEATURES:
    STANDARD CRANKSHAFT
    MODEL:
    4-CYCLE
    DISPLACEMENT:
    450 CC
    MATERIAL:
    4140 STEEL
    TYPE:
    OEM STROKE
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    STEEL
    STROKE LENGTH METRIC:
    62.10 MM
    UNITS:
    ASSEMBLY
    MSRP: $420.95
    Now: $386.06
    Was: $434.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $420.95
    Now: $386.06
    Was: $434.95
    Subtotal:
  • On Sale
    HOT RODS Bottom End Kit CBK0202

    HOT RODS Bottom End Kit CBK0202

    HOT RODS

    MSRP: $431.95
    Now: $396.86
    Was: $447.95
    HOT RODS Bottom End Kit CBK0202Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker...
    09210536
    SKU:
    09210536
    Availability:
    Ships Same Business Day
    Weight:
    4.65 LBS
    MODEL:
    2-CYCLE
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    STANDARD
    PRODUCT NAME:
    BOTTOM END KIT
    UNITS:
    KIT
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    OE REPLACEMENT
    MSRP: $431.95
    Now: $396.86
    Was: $447.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $431.95
    Now: $396.86
    Was: $447.95
    Subtotal:
  • On Sale
    HOT RODS Bottom End Kit CBK0203

    HOT RODS Bottom End Kit CBK0203

    HOT RODS

    MSRP: $387.95
    Now: $356.36
    Was: $401.95
    HOT RODS Bottom End Kit CBK0203Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker...
    09210537
    SKU:
    09210537
    Availability:
    Ships Same Business Day
    Weight:
    7.10 LBS
    MODEL:
    2-CYCLE
    COLOR/FINISH:
    STEEL
    UNITS:
    KIT
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    STANDARD
    TYPE:
    OE REPLACEMENT
    PRODUCT NAME:
    BOTTOM END KIT
    RIDING STYLE:
    OFF-ROAD
    MSRP: $387.95
    Now: $356.36
    Was: $401.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $387.95
    Now: $356.36
    Was: $401.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0008

    HOT RODS Crankshaft Kit CBK0008

    HOT RODS

    MSRP: $603.95
    Now: $554.36
    Was: $615.95
    HOT RODS Crankshaft Kit CBK0008Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210267
    SKU:
    09210267
    Availability:
    Ships Same Business Day
    Weight:
    12.80 LBS
    TYPE:
    OEM
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    MSRP: $603.95
    Now: $554.36
    Was: $615.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $603.95
    Now: $554.36
    Was: $615.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0010

    HOT RODS Crankshaft Kit CBK0010

    HOT RODS

    MSRP: $582.95
    Now: $535.46
    Was: $603.95
    HOT RODS Crankshaft Kit CBK0010Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210269
    SKU:
    09210269
    Availability:
    Ships Same Business Day
    Weight:
    13.30 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    MSRP: $582.95
    Now: $535.46
    Was: $603.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $582.95
    Now: $535.46
    Was: $603.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0011

    HOT RODS Crankshaft Kit CBK0011

    HOT RODS

    MSRP: $582.95
    Now: $535.46
    Was: $603.95
    HOT RODS Crankshaft Kit CBK0011Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210270
    SKU:
    09210270
    Availability:
    Ships Same Business Day
    Weight:
    13.05 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    OEM
    MSRP: $582.95
    Now: $535.46
    Was: $603.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $582.95
    Now: $535.46
    Was: $603.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0012

    HOT RODS Crankshaft Kit CBK0012

    HOT RODS

    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    HOT RODS Crankshaft Kit CBK0012Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210271
    SKU:
    09210271
    Availability:
    Ships Same Business Day
    Weight:
    14.62 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0040

    HOT RODS Crankshaft Kit CBK0040

    HOT RODS

    MSRP: $463.95
    Now: $425.66
    Was: $479.95
    HOT RODS Crankshaft Kit CBK0040Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210292
    SKU:
    09210292
    Availability:
    Ships Same Business Day
    Weight:
    12.23 LBS
    TYPE:
    OEM
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $463.95
    Now: $425.66
    Was: $479.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $463.95
    Now: $425.66
    Was: $479.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0045

    HOT RODS Crankshaft Kit CBK0045

    HOT RODS

    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    HOT RODS Crankshaft Kit CBK0045Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210293
    SKU:
    09210293
    Availability:
    Ships Same Business Day
    Weight:
    7.00 LBS
    TYPE:
    OEM
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0047

    HOT RODS Crankshaft Kit CBK0047

    HOT RODS

    MSRP: $259.95
    Now: $233.96
    Was: $259.95
    HOT RODS Crankshaft Kit CBK0047Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210295
    SKU:
    09210295
    Availability:
    Ships Same Business Day
    Weight:
    6.95 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $259.95
    Now: $233.96
    Was: $259.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $259.95
    Now: $233.96
    Was: $259.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0048

    HOT RODS Crankshaft Kit CBK0048

    HOT RODS

    MSRP: $323.95
    Now: $296.96
    Was: $334.95
    HOT RODS Crankshaft Kit CBK0048Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210296
    SKU:
    09210296
    Availability:
    Ships Same Business Day
    Weight:
    6.30 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    OEM
    MSRP: $323.95
    Now: $296.96
    Was: $334.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $323.95
    Now: $296.96
    Was: $334.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0049

    HOT RODS Crankshaft Kit CBK0049

    HOT RODS

    MSRP: $301.95
    Now: $277.16
    Was: $312.95
    HOT RODS Crankshaft Kit CBK0049Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210297
    SKU:
    09210297
    Availability:
    Ships Same Business Day
    Weight:
    6.35 LBS
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    MSRP: $301.95
    Now: $277.16
    Was: $312.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $301.95
    Now: $277.16
    Was: $312.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0050

    HOT RODS Crankshaft Kit CBK0050

    HOT RODS

    MSRP: $301.95
    Now: $277.16
    Was: $312.95
    HOT RODS Crankshaft Kit CBK0050Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210298
    SKU:
    09210298
    Availability:
    Ships Same Business Day
    Weight:
    6.65 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    MSRP: $301.95
    Now: $277.16
    Was: $312.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $301.95
    Now: $277.16
    Was: $312.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0052

    HOT RODS Crankshaft Kit CBK0052

    HOT RODS

    MSRP: $323.95
    Now: $296.96
    Was: $334.95
    HOT RODS Crankshaft Kit CBK0052Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210300
    SKU:
    09210300
    Availability:
    Ships Same Business Day
    Weight:
    6.65 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    OEM
    MSRP: $323.95
    Now: $296.96
    Was: $334.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $323.95
    Now: $296.96
    Was: $334.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0055

    HOT RODS Crankshaft Kit CBK0055

    HOT RODS

    MSRP: $538.95
    Now: $494.96
    Was: $557.95
    HOT RODS Crankshaft Kit CBK0055Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210303
    SKU:
    09210303
    Availability:
    Ships Same Business Day
    Weight:
    12.30 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    MSRP: $538.95
    Now: $494.96
    Was: $557.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $538.95
    Now: $494.96
    Was: $557.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0056

    HOT RODS Crankshaft Kit CBK0056

    HOT RODS

    MSRP: $538.95
    Now: $494.96
    Was: $557.95
    HOT RODS Crankshaft Kit CBK0056Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210304
    SKU:
    09210304
    Availability:
    Ships Same Business Day
    Weight:
    12.20 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    OEM
    MSRP: $538.95
    Now: $494.96
    Was: $557.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $538.95
    Now: $494.96
    Was: $557.95
    Subtotal:
  • Total: items /

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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!