Dirt Bike Crankshafts and Parts
Dirt Bike Crankshafts & Bottom End Rebuild Kits for KTM, Husqvarna, Gas Gas & Suzuki at JJ Motorsports
Rebuild your dirt bike's bottom end with premium crankshaft assemblies and complete kits from JJ Motorsports, precision-engineered for perfect balance, maximum strength, and race-proven reliability in motocross, enduro, and trail riding. Our selection includes OEM-spec Hot Rods crankshafts and full Wossner crankshaft assemblies with rods, bearings, and seals for leak-free operation and extended engine life under extreme RPM and load. Compatible with KTM SX/EXC, Husqvarna FC/FE, Gas Gas MC/EC, and Suzuki RM-Z models, these high-quality components ensure smoother power delivery, reduced vibration, and championship-level durability in dusty, high-stress conditions. Whether refreshing a tired motor or building a stroker, Hot Rods and Wossner deliver exact OEM stroke, balanced cranks, and bolt-in fitment, and unmatched performance for 250-450cc 2-stroke and 4-stroke engines.
At JJ Motorsports, we stock the best dirt bike crankshafts and bottom-end kits from Hot Rods and Wossner with fast shipping and expert support. Free shipping over $99!
Top Dirt Bike Crankshafts & Bottom End Kits
- Wossner Crankshaft Assembly Gas Gas/Husqvarna/KTM CS2070 – Premium forged crankshaft assembly for Gas Gas, Husqvarna, and KTM 250/300 models; perfectly balanced for high-RPM reliability and smooth power.
- Wossner Crankshaft Assembly Husaberg/Husqvarna/KTM CS2012 – High-performance crankshaft for older Husaberg and current Husqvarna/KTM platforms; engineered for extreme durability and precise fit.
- Hot Rods OE Crankshaft Replacement Kit Suzuki CBK0081 – Complete OEM-spec crankshaft assembly for Suzuki RM-Z models; includes balanced crank, rod, bearings, and seals for factory performance and easy installation.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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HOT RODS Crankshaft Kit CBK0223
HOT RODS
$773.95Assembly 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 rebuildable with genuine Hot Rods...09210602- SKU:
- 09210602
- Availability:
- Ships Same Business Day
- Weight:
- 13.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT
$773.95 -
HOT RODS Crankshaft Kit CBK0225
HOT RODS
$809.95Assembly 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 rebuildable with genuine Hot Rods...09210601- SKU:
- 09210601
- Availability:
- Ships Same Business Day
- Weight:
- 10.35 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT
$809.95 -
HOT RODS Crankshaft Kit CBK0222
HOT RODS
$686.95Assembly 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 rebuildable with genuine Hot Rods...09210597- SKU:
- 09210597
- Availability:
- Ships Same Business Day
- Weight:
- 9.90 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT
$686.95 -
On Sale
HOT RODS Crankshaft - Stroker 4516
HOT RODS
MSRP: $394.95Now: $257.00Was: $394.95Hot 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 long-stroke engines09210519- SKU:
- 09210519
- Availability:
- Ships Same Business Day
- Weight:
- 6.80 LBS
- MODEL:
- 4-CYCLE
- STROKE LENGTH:
- 56,60 MM
- TYPE:
- STROKER
- DISPLACEMENT:
- 264 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 56.60 MM
- UNITS:
- ASSEMBLY
MSRP: $394.95Now: $257.00Was: $394.95 -
HOT RODS Crankshaft Kit 4420
HOT RODS
$294.95Sold 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 installation, Completely...09210518- SKU:
- 09210518
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- DISPLACEMENT:
- 50 CC
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
- MODEL:
- 2-CYCLE
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 39.98 MM
- UNITS:
- ASSEMBLY
$294.95 -
HOT RODS Crankshaft Kit 4419
HOT RODS
$318.95Sold 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 installation, Completely...09210517- SKU:
- 09210517
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- DISPLACEMENT:
- 85 CC TO 100 CC
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- STROKE LENGTH METRIC:
- 45.80 MM
- TYPE:
- OEM STROKE
$318.95 -
HOT RODS Crankshaft Assembly 4415
HOT RODS
$404.95Sold 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 installation, Completely...09210512- SKU:
- 09210512
- Availability:
- Ships Same Business Day
- Weight:
- 9.85 LBS
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 62.10 MM
- UNITS:
- ASSEMBLY
- MODEL:
- 4-CYCLE
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 450 CC
- FEATURES:
- STANDARD CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OEM STROKE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$404.95 -
HOT RODS Crankshaft Assembly 4401
HOT RODS
$355.95Sold 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 installation, Completely...09210510- SKU:
- 09210510
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- ASSEMBLY
- MODEL:
- 2-CYCLE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- DISPLACEMENT:
- 50 CC
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
- STROKE LENGTH METRIC:
- 39.96 MM
$355.95 -
HOT RODS Crankshaft Assembly 4084
HOT RODS
$503.95Sold 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 installation, Completely...09210509- SKU:
- 09210509
- Availability:
- Ships Same Business Day
- Weight:
- 9.83 LBS
- DISPLACEMENT:
- 450 CC
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 62.10 MM
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$503.95 -
HOT RODS Crankshaft Assembly 4023
HOT RODS
$417.95Sold 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 installation, Completely...09210508- SKU:
- 09210508
- Availability:
- Ships Same Business Day
- Weight:
- 4.75 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 48.90 MM
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
- MODEL:
- 2-CYCLE
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 85 CC
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- ASSEMBLY
$417.95 -
HOT RODS Crankshaft Kit CBK0190
HOT RODS
$441.95Assembly 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 with genuine Hot Rods...09210507- SKU:
- 09210507
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$441.95 -
HOT RODS Crankshaft - Stroker 4129
HOT RODS
$247.95Hot 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 long-stroke engines09210460- SKU:
- 09210460
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- DISPLACEMENT:
- 262 CC
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 57,80 MM
- TYPE:
- STROKER
- MODEL:
- 4-CYCLE
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 57.80 MM
$247.95 -
HOT RODS Crankshaft 4019
HOT RODS
$515.95Sold 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 installation, Completely...09210457- SKU:
- 09210457
- Availability:
- Ships Same Business Day
- Weight:
- 9.81 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MODEL:
- 4-CYCLE
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 450 CC
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 62.10 MM
- UNITS:
- ASSEMBLY
$515.95 -
HOT RODS Crankshaft Kit CBK0127
HOT RODS
$736.95Assembly 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 with genuine Hot Rods...09210361- SKU:
- 09210361
- Availability:
- Ships Same Business Day
- Weight:
- 9.90 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
$736.95 -
HOT RODS Crankshaft Kit CBK0126
HOT RODS
$551.95Assembly 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 with genuine Hot Rods...09210360- SKU:
- 09210360
- Availability:
- Ships Same Business Day
- Weight:
- 10.49 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
$551.95 -
HOT RODS Crankshaft Kit CBK0117
HOT RODS
$809.95Assembly 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 with genuine Hot Rods...09210354- SKU:
- 09210354
- Availability:
- Ships Same Business Day
- Weight:
- 10.21 LBS
- TYPE:
- OEM
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- OFF-ROAD
$809.95 -
HOT RODS Crankshaft Kit CBK0111
HOT RODS
$527.95Assembly 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 with genuine Hot Rods...09210352- SKU:
- 09210352
- Availability:
- Ships Same Business Day
- Weight:
- 8.30 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
$527.95 -
HOT RODS Crankshaft Kit CBK0110
HOT RODS
$711.95Assembly 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 with genuine Hot Rods...09210351- SKU:
- 09210351
- Availability:
- Ships Same Business Day
- Weight:
- 12.75 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
$711.95 -
HOT RODS Crankshaft Kit CBK0108
HOT RODS
$576.95Assembly 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 with genuine Hot Rods...09210349- SKU:
- 09210349
- Availability:
- Ships Same Business Day
- Weight:
- 6.85 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
$576.95 -
HOT RODS Crankshaft Kit CBK0107
HOT RODS
$551.95Assembly 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 with genuine Hot Rods...09210348- SKU:
- 09210348
- Availability:
- Ships Same Business Day
- Weight:
- 6.84 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
$551.95
