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!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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HOT RODS Crankshaft - OEM Stroke - Can-Am HR00063
HOT RODS
$251.95Crankshaft - OEM Stroke - Can-Am Factory trued and balanced, OEM crankshaft replacement, Crankshaft only, connecting rods sold separately09210885- SKU:
- 09210885
- Availability:
- Ships Same Business Day
- Weight:
- 13.35 LBS
$251.95 -
HOT RODS Crankshaft Assembly - OEM Stroke - Can-Am HR00064
HOT RODS
$957.95Crankshaft Assembly - OEM Stroke - Can-Am Sold 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,...09210886- SKU:
- 09210886
- Availability:
- Ships Same Business Day
- Weight:
- 15.70 LBS
$957.95 -
HOT RODS Crankshaft Assembly - OEM Stroke - Polaris HR00027
HOT RODS
$931.95Crankshaft Assembly - OEM Stroke - Polaris Sold complete with the original proven Hot Rods connecting rods, top-end bearings (unless otherwise noted) and crankshaft webs, Factory assembled and trued to OEM specifications; meets or exceeds OEM in...09210887- SKU:
- 09210887
- Availability:
- Ships Same Business Day
- Weight:
- 15.30 LBS
$931.95 -
HOT RODS Bottom End Kit - OE Crankshaft Replacement - Honda HR00105
HOT RODS
$613.95Bottom End Kit - OE Crankshaft Replacement - Honda Kit 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...09210889- SKU:
- 09210889
- Availability:
- Ships Same Business Day
- Weight:
- 13.50 LBS
$613.95 -
HOT RODS Bottom End Kit - OE Crankshaft Replacement - Polaris HR00108
HOT RODS
$1,473.95Bottom End Kit - OE Crankshaft Replacement - Polaris Kit 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...09210892- SKU:
- 09210892
- Availability:
- Ships Same Business Day
- Weight:
- 29.90 LBS
$1,473.95 -
HOT RODS Bottom End Kit - OE Crankshaft Replacement - Polaris HR00110
HOT RODS
$1,473.95Bottom End Kit - OE Crankshaft Replacement - Polaris Kit 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...09210893- SKU:
- 09210893
- Availability:
- Ships Same Business Day
- Weight:
- 28.00 LBS
$1,473.95 -
HOT RODS Bottom End Kit - OE Crankshaft Replacement - Polaris HR00111
HOT RODS
$1,473.95Bottom End Kit - OE Crankshaft Replacement - Polaris Kit 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...09210894- SKU:
- 09210894
- Availability:
- Ships Same Business Day
- Weight:
- 27.45 LBS
$1,473.95 -
HOT RODS Bottom End Kit - OE Crankshaft Replacement - Polaris HR00119
HOT RODS
$1,473.95Bottom End Kit - OE Crankshaft Replacement - Polaris Kit 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...09210898- SKU:
- 09210898
- Availability:
- Ships Same Business Day
- Weight:
- 24.35 LBS
$1,473.95Qty in Cart: 0Quantity:Price:$1,473.95Subtotal: -
HOT RODS Bottom End Kit - OE Crankshaft Replacement - Polaris HR00120
HOT RODS
$1,360.95Bottom End Kit - OE Crankshaft Replacement - Polaris Kit 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...09210899- SKU:
- 09210899
- Availability:
- Ships Same Business Day
- Weight:
- 24.05 LBS
$1,360.95 -
HOT RODS Crankshaft Kit - OE Crankshaft Replacement - Suzuki CBK0081
HOT RODS
$576.95Crankshaft Kit - OE Crankshaft Replacement - Suzuki Assembly 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...09210328- SKU:
- 09210328
- Availability:
- Ships Same Business Day
- Weight:
- 9.10 LBS
$576.95 -
HOT RODS Crankshaft Kit - OE Crankshaft Replacement - Kawasaki CBK0118
HOT RODS
$736.95Crankshaft Kit - OE Crankshaft Replacement - Kawasaki Assembly 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...09210355- SKU:
- 09210355
- Availability:
- Ships Same Business Day
- Weight:
- 13.35 LBS
$736.95 -
HOT RODS Crankshaft - OEM Stroke - Polaris HR00046
HOT RODS
$1,104.95Crankshaft - OEM Stroke - Polaris Factory trued and balanced, OEM crankshaft replacement, Crankshaft only, connecting rods sold separately09210888- SKU:
- 09210888
- Availability:
- Ships Same Business Day
- Weight:
- 19.65 LBS
$1,104.95 -
HOT RODS Bottom End Kit - OE Crankshaft Replacement - Polaris HR00106
HOT RODS
$1,473.95Bottom End Kit - OE Crankshaft Replacement - Polaris Kit 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...09210890- SKU:
- 09210890
- Availability:
- Ships Same Business Day
- Weight:
- 27.80 LBS
$1,473.95 -
HOT RODS Bottom End Kit - OE Crankshaft Replacement - Polaris HR00107
HOT RODS
$1,473.95Bottom End Kit - OE Crankshaft Replacement - Polaris Kit 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...09210891- SKU:
- 09210891
- Availability:
- Ships Same Business Day
- Weight:
- 27.90 LBS
$1,473.95 -
HOT RODS Bottom End Kit - OE Crankshaft Replacement - Polaris HR00118
HOT RODS
$1,473.95Bottom End Kit - OE Crankshaft Replacement - HR00118 Comprehensive kit for a seamless crankshaft installation. Includes high-quality Hot Rods main bearings and seals for durability. Complete engine gasket set with all necessary gaskets and...09210897- SKU:
- 09210897
- Availability:
- Ships Same Business Day
- Weight:
- 24.30 LBS
$1,473.95 -
HOT RODS Bottom End Kit - OE Crankshaft Replacement - Polaris HR00117
HOT RODS
$1,473.95Bottom End Kit - OE Crankshaft Replacement - HR00117 Comprehensive kit designed for complete crankshaft installation. Includes Hot Rods main bearings and seals for optimal performance. Comes with a full engine gasket set, covering all...09210896- SKU:
- 09210896
- Availability:
- Ships Same Business Day
- Weight:
- 24.85 LBS
$1,473.95 -
HOT RODS Bottom End Kit - OE Crankshaft Kit - Husqvarna | KTM HR00178
HOT RODS
$629.95Bottom End Kit - OE Crankshaft Kit - Husqvarna | KTM Kit 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...09210951- SKU:
- 09210951
- Availability:
- Ships Same Business Day
- Weight:
- 12.10 LBS
$629.95 -
Wossner Crankshaft Assembly for KTM SX125 2016-2022 Husqvarna TC125 2016-2022 GasGas MC125 2021-2022 CS2070
WOSSNER
$342.00Enhance your motorcycle's performance with our premium Crankshaft Assembly, designed specifically for Gas Gas, Husqvarna, and KTM models. This assembly includes a durable crankshaft and connecting rod, ensuring optimal power transfer and reliability...09210879- SKU:
- 09210879
- Availability:
- Ships Same Business Day
- Weight:
- 6.25 LBS
$342.00 -
WOSSNER Crankshaft Assembly - Husaberg | Husqvarna | KTM CS2012
WOSSNER
$342.00Crankshaft Assembly - Husaberg | Husqvarna | KTM Includes crankshaft and connecting rod assembly and top end bearing, Standard replacement crankshaft assembly unless noted09210880- SKU:
- 09210880
- Availability:
- Ships Same Business Day
- Weight:
- 6.95 LBS
$342.00 -
Wossner Crankshaft Assembly for Honda CRF250R 2010-2017 CS4001
WOSSNER
$404.00Upgrade your Honda's performance with our high-quality Crankshaft Assembly, designed for durability and optimal engine efficiency. This assembly includes a precision-engineered crankshaft and connecting rod, along with a top-end bushing for seamless...09210881- SKU:
- 09210881
- Availability:
- Ships Same Business Day
- Weight:
- 8.49 LBS
$404.00
