Crankshafts and Parts

Crankshafts and Parts

Crankshafts and Parts

JJ Motorsports dirt bike aftermarket engine crankshafts are some of the best you can find. They're tough and dependable, so you know they'll last through even the roughest conditions. Best of all, they're priced competitively, so you don't have to spend a fortune to get top quality parts. And if you need them quickly, JJ Motorsports offers fast shipping to get your parts to you as soon as possible. So if you're looking for aftermarket engine crankshafts for your dirt bike, JJ Motorsports is the place to go.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • HOT RODS Crankshaft 4030

    HOT RODS Crankshaft 4030

    HOT RODS

    $395.95
    HOT RODS Crankshaft 4030Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and ready for...
    9210239
    SKU:
    9210239
    Availability:
    Ships Same Business Day
    Weight:
    13.33 LBS
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    ASSEMBLY
    DISPLACEMENT:
    500 CC
    MODEL:
    2-CYCLE
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    STROKE LENGTH METRIC:
    79.00 MM
    MATERIAL:
    4140 STEEL
    TYPE:
    OEM STROKE
    FEATURES:
    STANDARD CRANKSHAFT
    Add to Cart
    $395.95
    Qty in Cart: 0
    Quantity:
    Price:
    $395.95
    Subtotal:
  • HOT RODS Crankshaft 4046

    HOT RODS Crankshaft 4046

    HOT RODS

    $428.95
    HOT RODS Crankshaft 4046Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and ready for...
    9210240
    SKU:
    9210240
    Availability:
    Ships Same Business Day
    Weight:
    6.95 LBS
    DISPLACEMENT:
    200 CC
    FEATURES:
    STANDARD CRANKSHAFT
    MODEL:
    2-CYCLE
    TYPE:
    OEM STROKE
    MATERIAL:
    4140 STEEL
    UNITS:
    ASSEMBLY
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    59.90 MM
    Add to Cart
    $428.95
    Qty in Cart: 0
    Quantity:
    Price:
    $428.95
    Subtotal:
  • HOT RODS Crankshaft 4096

    HOT RODS Crankshaft 4096

    HOT RODS

    $406.95
    HOT RODS Crankshaft 4096Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and ready for...
    9210242
    SKU:
    9210242
    Availability:
    Ships Same Business Day
    Weight:
    7.10 LBS
    MODEL:
    4-CYCLE
    TYPE:
    OEM STROKE
    FEATURES:
    HEAVY DUTY CRANKSHAFT
    MATERIAL:
    4140 STEEL
    UNITS:
    ASSEMBLY
    DISPLACEMENT:
    250 CC
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    STROKE LENGTH METRIC:
    53.60 MM
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $406.95
    Qty in Cart: 0
    Quantity:
    Price:
    $406.95
    Subtotal:
  • HOT RODS Crankshaft 4097

    HOT RODS Crankshaft 4097

    HOT RODS

    $395.95
    HOT RODS Crankshaft 4097Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and ready for...
    9210243
    SKU:
    9210243
    Availability:
    Ships Same Business Day
    Weight:
    7.45 LBS
    FEATURES:
    STANDARD CRANKSHAFT
    MODEL:
    4-CYCLE
    TYPE:
    OEM STROKE
    DISPLACEMENT:
    250 CC
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    STROKE LENGTH METRIC:
    53.80 MM
    MATERIAL:
    4140 STEEL
    UNITS:
    ASSEMBLY
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $395.95
    Qty in Cart: 0
    Quantity:
    Price:
    $395.95
    Subtotal:
  • HOT RODS Crankshaft Assembly 4058

    HOT RODS

    $505.95
    HOT RODS Crankshaft Assembly 4058Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...
    9210026
    SKU:
    9210026
    Availability:
    Ships Same Business Day
    Weight:
    9.04 LBS
    COLOR/FINISH:
    STEEL
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    4140 STEEL
    UNITS:
    ASSEMBLY
    DISPLACEMENT:
    250 CC
    FEATURES:
    STANDARD CRANKSHAFT
    MODEL:
    2-CYCLE
    STROKE LENGTH METRIC:
    72.00 MM
    TYPE:
    OEM STROKE
    Add to Cart
    $505.95
    Qty in Cart: 0
    Quantity:
    Price:
    $505.95
    Subtotal:
  • HOT RODS Crankshaft Assembly 4054

    HOT RODS Crankshaft Assembly 4054

    HOT RODS

    $351.95
    HOT RODS Crankshaft Assembly 4054Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...
    9210027
    SKU:
    9210027
    Availability:
    Ships Same Business Day
    Weight:
    6.22 LBS
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    54.60 MM
    DISPLACEMENT:
    125 CC
    MATERIAL:
    4140 STEEL
    UNITS:
    ASSEMBLY
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    FEATURES:
    STANDARD CRANKSHAFT
    MODEL:
    2-CYCLE
    TYPE:
    OEM STROKE
    Add to Cart
    $351.95
    Qty in Cart: 0
    Quantity:
    Price:
    $351.95
    Subtotal:
  • HOT RODS Crankshaft Assembly 4041

    HOT RODS Crankshaft Assembly 4041

    HOT RODS

    $395.95
    HOT RODS Crankshaft Assembly 4041Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...
    9210016
    SKU:
    9210016
    Availability:
    Ships Same Business Day
    Weight:
    6.55 LBS
    DISPLACEMENT:
    125 CC
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    FEATURES:
    STANDARD CRANKSHAFT
    STROKE LENGTH METRIC:
    54.60 MM
    TYPE:
    OEM STROKE
    MODEL:
    2-CYCLE
    COLOR/FINISH:
    STEEL
    MATERIAL:
    4140 STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    ASSEMBLY
    Add to Cart
    $395.95
    Qty in Cart: 0
    Quantity:
    Price:
    $395.95
    Subtotal:
  • HOT RODS Crankshaft Assembly 4050

    HOT RODS Crankshaft Assembly 4050

    HOT RODS

    $428.95
    HOT RODS Crankshaft Assembly 4050Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...
    9210017
    SKU:
    9210017
    Availability:
    Ships Same Business Day
    Weight:
    8.63 LBS
    MODEL:
    4-CYCLE
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    DISPLACEMENT:
    450 CC
    FEATURES:
    HEAVY DUTY CRANKSHAFT
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    63.40 MM
    TYPE:
    OEM STROKE
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    ASSEMBLY
    Add to Cart
    $428.95
    Qty in Cart: 0
    Quantity:
    Price:
    $428.95
    Subtotal:
  • HOT RODS Crankshaft 4081

    HOT RODS Crankshaft 4081

    HOT RODS

    $494.95
    HOT RODS Crankshaft 4081Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and ready for...
    9210136
    SKU:
    9210136
    Availability:
    Ships Same Business Day
    Weight:
    7.26 LBS
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    COLOR/FINISH:
    STEEL
    FEATURES:
    STANDARD CRANKSHAFT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    OEM STROKE
    MODEL:
    4-CYCLE
    DISPLACEMENT:
    250 CC
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    53.60 MM
    UNITS:
    ASSEMBLY
    Add to Cart
    $494.95
    Qty in Cart: 0
    Quantity:
    Price:
    $494.95
    Subtotal:
  • HOT RODS Crankshaft 4022

    HOT RODS Crankshaft 4022

    HOT RODS

    $505.95
    HOT RODS Crankshaft 4022Assembly sold complete with Hot Rods connecting rod, Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely rebuild-able...
    9210546
    SKU:
    9210546
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    DISPLACEMENT:
    250 CC
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    53.60 MM
    UNITS:
    ASSEMBLY
    COLOR/FINISH:
    STEEL
    FEATURES:
    STANDARD CRANKSHAFT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    OEM STROKE
    MODEL:
    4-CYCLE
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    Add to Cart
    $505.95
    Qty in Cart: 0
    Quantity:
    Price:
    $505.95
    Subtotal:
  • On Sale
    HOT RODS Bottom End Kit CBK0210

    HOT RODS Bottom End Kit CBK0210

    HOT RODS

    Now: $594.07
    Was: $913.95
    HOT RODS Bottom End Kit CBK0210Kit 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...
    9210571
    SKU:
    9210571
    Availability:
    Ships Same Business Day
    Weight:
    10.25 LBS
    MATERIAL:
    4140 STEEL
    MODEL:
    4-CYCLE
    TYPE:
    OE REPLACEMENT
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    BOTTOM END KIT
    STROKE LENGTH METRIC:
    STANDARD
    Now: $594.07
    Was: $913.95
    Qty in Cart: 0
    Price:
    Now: $594.07
    Was: $913.95
    Subtotal:
  • HOT RODS Bottom End Kit CBK0209

    HOT RODS Bottom End Kit CBK0209

    HOT RODS

    $494.95
    HOT RODS Bottom End Kit CBK0209Kit 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...
    9210572
    SKU:
    9210572
    Availability:
    Ships Same Business Day
    Weight:
    7.00 LBS
    DISPLACEMENT:
    108 CC
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    +4.00 MM
    UNITS:
    KIT
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    STROKER
    MODEL:
    2-CYCLE
    PRODUCT NAME:
    BOTTOM END KIT
    Add to Cart
    $494.95
    Qty in Cart: 0
    Quantity:
    Price:
    $494.95
    Subtotal:
  • HOT RODS Bottom End Kit CBK0207

    HOT RODS Bottom End Kit CBK0207

    HOT RODS

    $440.95
    HOT RODS Bottom End Kit CBK0207Kit 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...
    9210573
    SKU:
    9210573
    Availability:
    Ships Same Business Day
    Weight:
    6.70 LBS
    COLOR/FINISH:
    STEEL
    MATERIAL:
    4140 STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    OE REPLACEMENT
    UNITS:
    KIT
    MODEL:
    2-CYCLE
    PRODUCT NAME:
    BOTTOM END KIT
    STROKE LENGTH METRIC:
    STANDARD
    Add to Cart
    $440.95
    Qty in Cart: 0
    Quantity:
    Price:
    $440.95
    Subtotal:
  • HOT RODS Bottom End Kit CBK0205

    HOT RODS Bottom End Kit CBK0205

    HOT RODS

    $594.95
    HOT RODS Bottom End Kit CBK0205Kit 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...
    9210576
    SKU:
    9210576
    Availability:
    Ships Same Business Day
    Weight:
    10.00 LBS
    MODEL:
    4-CYCLE
    UNITS:
    KIT
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    STANDARD
    TYPE:
    OE REPLACEMENT
    COLOR/FINISH:
    STEEL
    PRODUCT NAME:
    BOTTOM END KIT
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $594.95
    Qty in Cart: 0
    Quantity:
    Price:
    $594.95
    Subtotal:
  • HOT RODS Crankshaft Kit CBK0091

    HOT RODS Crankshaft Kit CBK0091

    HOT RODS

    $395.95
    HOT RODS Crankshaft Kit CBK0091Assembly 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...
    9210336
    SKU:
    9210336
    Availability:
    Ships Same Business Day
    Weight:
    8.25 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    OEM
    Qty in Cart: 0
    Price:
    $395.95
    Subtotal:
  • HOT RODS Crankshaft Kit CBK0092

    HOT RODS Crankshaft Kit CBK0092

    HOT RODS

    $610.95
    HOT RODS Crankshaft Kit CBK0092Assembly 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...
    9210337
    SKU:
    9210337
    Availability:
    Ships Same Business Day
    Weight:
    11.95 LBS
    TYPE:
    OEM
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $610.95
    Qty in Cart: 0
    Quantity:
    Price:
    $610.95
    Subtotal:
  • HOT RODS Crankshaft Kit CBK0093

    HOT RODS Crankshaft Kit CBK0093

    HOT RODS

    $571.95
    HOT RODS Crankshaft Kit CBK0093Assembly 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...
    9210338
    SKU:
    9210338
    Availability:
    Ships Same Business Day
    Weight:
    12.85 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $571.95
    Qty in Cart: 0
    Quantity:
    Price:
    $571.95
    Subtotal:
  • HOT RODS Crankshaft Kit CBK0094

    HOT RODS Crankshaft Kit CBK0094

    HOT RODS

    $594.95
    HOT RODS Crankshaft Kit CBK0094Assembly 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...
    9210339
    SKU:
    9210339
    Availability:
    Ships Same Business Day
    Weight:
    12.55 LBS
    TYPE:
    OEM
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $594.95
    Qty in Cart: 0
    Quantity:
    Price:
    $594.95
    Subtotal:
  • HOT RODS Crankshaft Kit CBK0095

    HOT RODS Crankshaft Kit CBK0095

    HOT RODS

    $725.95
    HOT RODS Crankshaft Kit CBK0095Assembly 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...
    9210340
    SKU:
    9210340
    Availability:
    Ships Same Business Day
    Weight:
    13.35 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    OEM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $725.95
    Qty in Cart: 0
    Quantity:
    Price:
    $725.95
    Subtotal:
  • HOT RODS Crankshaft Kit CBK0099

    HOT RODS Crankshaft Kit CBK0099

    HOT RODS

    $615.95
    HOT RODS Crankshaft Kit CBK0099Assembly 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...
    9210341
    SKU:
    9210341
    Availability:
    Ships Same Business Day
    Weight:
    9.90 LBS
    TYPE:
    OEM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    Add to Cart
    $615.95
    Qty in Cart: 0
    Quantity:
    Price:
    $615.95
    Subtotal:
  • Total: items /

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Some parts are not legal for use in California or other states with similar laws / regulations