Dirt Bike 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
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On Sale
HOT RODS Crankshaft 4064
HOT RODS
MSRP: $431.95Now: $396.86Was: $440.95HOT RODS Crankshaft 4064Sold 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...9210073- SKU:
- 9210073
- Availability:
- Ships Same Business Day
- Weight:
- 7.13 LBS
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 53.60 MM
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
MSRP: $431.95Now: $396.86Was: $440.95 -
On Sale
HOT RODS Crankshaft 4071
HOT RODS
MSRP: $355.95Now: $326.66Was: $362.95HOT RODS Crankshaft 4071Sold 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...9210051- SKU:
- 9210051
- Availability:
- Ships Same Business Day
- Weight:
- 4.81 LBS
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 48.90 MM
- DISPLACEMENT:
- 85 CC TO 105 CC
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- TYPE:
- OEM STROKE
MSRP: $355.95Now: $326.66Was: $362.95 -
On Sale
HOT RODS CRANKSHAFT STKR YZ450 4174
HOT RODS
MSRP: $436.95Now: $393.26Was: $436.95HOT RODS CRANKSHAFT STKR YZ450 4174Hot 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...9210045- SKU:
- 9210045
- Availability:
- Ships Same Business Day
- Weight:
- 8.51 LBS
MSRP: $436.95Now: $393.26Was: $436.95Qty in Cart: 0Quantity:Price:MSRP: $436.95Now: $393.26Was: $436.95Subtotal: -
On Sale
HOT RODS Crankshaft - Stroker 4148
HOT RODS
MSRP: $525.95Now: $482.36Was: $535.95HOT RODS Crankshaft Stroker 4148Hot 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...9210040- SKU:
- 9210040
- Availability:
- Ships Same Business Day
- Weight:
- 9.75 LBS
- DISPLACEMENT:
- 470 CC
- MODEL:
- 4-CYCLE
- TYPE:
- STROKER
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 65.00 MM
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 65,00 MM
MSRP: $525.95Now: $482.36Was: $535.95 -
On Sale
HOT RODS Crankshaft - Stroker 4149
HOT RODS
MSRP: $481.95Now: $442.76Was: $491.95HOT RODS Crankshaft Stroker 4149Hot 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...9210039- SKU:
- 9210039
- Availability:
- Ships Same Business Day
- Weight:
- 6.88 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH:
- 56,60 MM
- TYPE:
- STROKER
- FEATURES:
- STANDARD CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 264 CC
- MODEL:
- 4-CYCLE
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 56.60 MM
- UNITS:
- ASSEMBLY
MSRP: $481.95Now: $442.76Was: $491.95 -
On Sale
HOT RODS Crankshaft Assembly 4048
HOT RODS
MSRP: $377.95Now: $347.36Was: $385.95HOT RODS Crankshaft Assembly 4048Sold 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...9210015- SKU:
- 9210015
- Availability:
- Ships Same Business Day
- Weight:
- 9.80 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MODEL:
- 4-CYCLE
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 450 CC
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OEM STROKE
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 62.00 MM
- UNITS:
- ASSEMBLY
MSRP: $377.95Now: $347.36Was: $385.95 -
On Sale
HOT RODS Crankshaft Assembly 4049
HOT RODS
MSRP: $398.95Now: $366.26Was: $406.95HOT RODS Crankshaft Assembly 4049Sold 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...9210013- SKU:
- 9210013
- Availability:
- Ships Same Business Day
- Weight:
- 6.95 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MODEL:
- 4-CYCLE
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 250 CC
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 53.60 MM
MSRP: $398.95Now: $366.26Was: $406.95 -
On Sale
HOT RODS Crankshaft Assembly 4014
HOT RODS
MSRP: $247.95Now: $227.66Was: $252.95HOT RODS Crankshaft Assembly 4014Sold 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...H117- SKU:
- H117
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 65 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 41.60 MM
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- TYPE:
- OEM STROKE
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
HOT RODS Crankshaft Assembly 4032
HOT RODS
MSRP: $387.95Now: $356.36Was: $395.95HOT RODS Crankshaft Assembly 4032Sold 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...H121- SKU:
- H121
- Availability:
- Ships Same Business Day
- Weight:
- 6.56 LBS
- COLOR/FINISH:
- STEEL
- FEATURES:
- STANDARD CRANKSHAFT
- STROKE LENGTH METRIC:
- 54.60 MM
- TYPE:
- OEM STROKE
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- ASSEMBLY
- MODEL:
- 2-CYCLE
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
MSRP: $387.95Now: $356.36Was: $395.95 -
On Sale
HOT RODS Crankshaft 4093
HOT RODS
MSRP: $409.95Now: $376.16Was: $417.95HOT RODS Crankshaft 4093Sold 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...9210213- SKU:
- 9210213
- Availability:
- Ships Same Business Day
- Weight:
- 9.94 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MODEL:
- 4-CYCLE
- DISPLACEMENT:
- 450 CC
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
- UNITS:
- ASSEMBLY
MSRP: $409.95Now: $376.16Was: $417.95 -
On Sale
HOT RODS Crankshaft 4095
HOT RODS
MSRP: $323.95Now: $296.96Was: $329.95HOT RODS Crankshaft 4095Sold 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...9210215- SKU:
- 9210215
- Availability:
- Ships Same Business Day
- Weight:
- 7.15 LBS
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- ASSEMBLY
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 250 CC
- MODEL:
- 4-CYCLE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 52.20 MM
MSRP: $323.95Now: $296.96Was: $329.95 -
On Sale
HOT RODS Crankshaft Kit CBK0119
HOT RODS
MSRP: $484.95Now: $445.46Was: $494.95HOT RODS Crankshaft Kit CBK0119Assembly 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...9210356- SKU:
- 9210356
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $484.95Now: $445.46Was: $494.95Qty in Cart: 0Quantity:Price:MSRP: $484.95Now: $445.46Was: $494.95Subtotal: -
On Sale
HOT RODS Crankshaft Kit CBK0120
HOT RODS
MSRP: $808.95Now: $742.46Was: $824.95HOT RODS Crankshaft Kit CBK0120Assembly 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...9210357- SKU:
- 9210357
- Availability:
- Ships Same Business Day
- Weight:
- 13.65 LBS
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $808.95Now: $742.46Was: $824.95 -
On Sale
HOT RODS Crankshaft Kit CBK0124
HOT RODS
MSRP: $625.95Now: $574.16Was: $637.95HOT RODS Crankshaft Kit CBK0124Assembly 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...9210358- SKU:
- 9210358
- Availability:
- Ships Same Business Day
- Weight:
- 13.08 LBS
- TYPE:
- OEM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CRANKSHAFT KIT
- UNITS:
- KIT
MSRP: $625.95Now: $574.16Was: $637.95 -
On Sale
HOT RODS Crankshaft 4068
HOT RODS
MSRP: $199.95Now: $179.96Was: $199.95HOT RODS Crankshaft 4068Sold 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...9210076- SKU:
- 9210076
- Availability:
- Ships Same Business Day
- Weight:
- 4.78 LBS
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 85 CC
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 48.00 MM
- UNITS:
- ASSEMBLY
- MODEL:
- 2-CYCLE
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
MSRP: $199.95Now: $179.96Was: $199.95 -
On Sale
HOT RODS Crankshaft - Stroker 4166
HOT RODS
MSRP: $257.95Now: $236.66Was: $262.95HOT RODS Crankshaft Stroker 4166Hot 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...9210077- SKU:
- 9210077
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 88 CC TO 103.5 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- ASSEMBLY
- MATERIAL:
- 4140 STEEL
- MODEL:
- 2-CYCLE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH:
- 47,80 MM
- STROKE LENGTH METRIC:
- 47.80 MM
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- STROKER
MSRP: $257.95Now: $236.66Was: $262.95Qty in Cart: 0Quantity:Price:MSRP: $257.95Now: $236.66Was: $262.95Subtotal: -
WISECO Crankshaft with Bearing and Gasket WPC128A
WISECO
$479.95WISECO Crankshaft with Bearing and Gasket WPC128AInclude crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order,...9210108- SKU:
- 9210108
- Availability:
- Ships Same Business Day
- Weight:
- 12.96 LBS
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$479.95 -
WISECO Crankshaft with Bearing and Gasket WPC128B
WISECO
$479.95WISECO Crankshaft with Bearing and Gasket WPC128BInclude crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order,...9210109- SKU:
- 9210109
- Availability:
- Ships Same Business Day
- Weight:
- 12.51 LBS
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$479.95Qty in Cart: 0Quantity:Price:$479.95Subtotal: -
WISECO Crankshaft with Bearing and Gasket WPC135
WISECO
$399.95WISECO Crankshaft with Bearing and Gasket WPC135Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210110- SKU:
- 9210110
- Availability:
- Ships Same Business Day
- Weight:
- 9.43 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- KIT
- TYPE:
- BOTTOM END
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$399.95 -
WISECO Crankshaft with Bearing and Gasket WPC141
WISECO
$574.95WISECO Crankshaft with Bearing and Gasket WPC141Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210111- SKU:
- 9210111
- Availability:
- Ships Same Business Day
- Weight:
- 10.11 LBS
- STROKE LENGTH METRIC:
- 53.60 MM
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$574.95
