ATV/UTV Crankshafts and Parts
ATV/UTV Crankshafts & Parts at JJ Motorsports
Rebuild your ATV/UTV crankshaft for maximum reliability and performance with premium kits from JJ Motorsports, featuring balanced, heavy-duty assemblies and components for Yamaha Blaster, Banshee, and similar 2-stroke models. These high-quality crankshafts deliver smooth rotation and high-RPM durability in off-road and racing conditions.
Shop Hot Rods and Wiseco crankshafts for race-proven strength. Explore related categories such as ATV/UTV engine for pistons and gaskets, or ATV/UTV for exhaust and suspension to complete your bottom-end rebuild and ride with total confidence across all conditions, from high-speed dunes to technical trails.
Top ATV/UTV Crankshafts & Parts
- Hot Rods Crankshaft Kit CBK0218 – Complete crankshaft kit with bearings and seals; fits Yamaha Blaster for stock rebuilds.
- Hot Rods Crankshaft Kit CBK0221 – Heavy-duty kit with stroker crank; boosts displacement for Banshee performance builds.
- Wiseco Crankshaft WPC148 – Forged crankshaft for 2-stroke engines; precision-balanced for Suzuki LT250R and Kawasaki KX models.
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
-
HOT RODS Crankshaft Assembly 4040
HOT RODS
$556.95If you're serious about maximizing displacement and power in your sport ATV, a long-stroke crankshaft assembly is one of the most direct paths to measurable gains in torque and horsepower. The HOT RODS Crankshaft Assembly 4040 arrives factory-assembled,...09210018- SKU:
- 09210018
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 400 CC
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
$556.95 -
HOT RODS Crankshaft 4076
HOT RODS
$622.95If you're building a high-performance long-stroke engine for your ATV, the HOT RODS Crankshaft 4076 delivers the durability and precision you need without the machine work and custom fabrication typically required for these builds. Factory-assembled and...09210119- SKU:
- 09210119
- Availability:
- Ships Same Business Day
- Weight:
- 9.92 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 62.80 MM
- COLOR/FINISH:
- STEEL
- FEATURES:
- STANDARD CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- MODEL:
- 4-CYCLE
- UNITS:
- ASSEMBLY
- DISPLACEMENT:
- 450 CC
- TYPE:
- OEM STROKE
$622.95 -
HOT RODS Crankshaft Kit 4423-1
HOT RODS
$945.95If you're building a long-stroke ATV engine, the HOT RODS Crankshaft Kit 4423-1 eliminates the guesswork and machine work typically required for displacement increases. This kit pairs purpose-built pistons with a precision crankshaft to deliver reliable...09210543- SKU:
- 09210543
- Availability:
- Ships Same Business Day
- Weight:
- 18.00 LBS
- TYPE:
- OEM STROKE
- MATERIAL:
- 4140 STEEL
- PRODUCT NAME:
- CRANKSHAFT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- STEEL
- STROKE LENGTH METRIC:
- 64.40 MM
$945.95 -
HOT RODS Crankshaft Kit 4424
HOT RODS
$1,325.95If you're building a long-stroke engine for your ATV, a quality crankshaft is non-negotiable—it's the foundation of reliable power delivery and longevity under load. The HOT RODS Crankshaft Kit 4424 arrives factory-assembled and trued to OEM...09210544- SKU:
- 09210544
- Availability:
- Ships Same Business Day
- Weight:
- 24.55 LBS
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 4-CYCLE
- STROKE LENGTH METRIC:
- 73.50 MM
- TYPE:
- OEM STROKE
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- DISPLACEMENT:
- 1000 CC
- RIDING STYLE:
- ATV
$1,325.95 -
HOT RODS Crankshaft Kit 4424-1
HOT RODS
$1,071.95If you're rebuilding a Yamaha Banshee engine or replacing a worn crankshaft, the HOT RODS 4424-1 eliminates the guesswork of sourcing individual components. This factory-assembled kit arrives complete with proven connecting rods, top-end bearings, and...09210545- SKU:
- 09210545
- Availability:
- Ships Same Business Day
- Weight:
- 21.55 LBS
- PRODUCT NAME:
- CRANKSHAFT
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 73.50 MM
- TYPE:
- OEM STROKE
- MATERIAL:
- 4140 STEEL
- COLOR/FINISH:
- STEEL
- UNITS:
- EACH
$1,071.95 -
HOT RODS Crankshaft 4078
HOT RODS
$619.95If you're serious about extracting maximum displacement and horsepower from your ATV, a long-stroke crankshaft is one of the most effective bolt-on upgrades available. The HOT RODS Crankshaft 4078 arrives factory-assembled, trued, and ready to...09210121- SKU:
- 09210121
- Availability:
- Ships Same Business Day
- Weight:
- 16.33 LBS
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- DISPLACEMENT:
- 700 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 84.00 MM
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- ASSEMBLY
$619.95 -
HOT RODS Crankshaft 4079
HOT RODS
$716.95If you're building a long-stroke engine for your ATV, you need a crankshaft that's engineered to handle increased displacement and stress without sacrificing reliability. The HOT RODS Crankshaft 4079 arrives factory-assembled, trued to OEM...09210122- SKU:
- 09210122
- Availability:
- Ships Same Business Day
- Weight:
- 17.31 LBS
- MODEL:
- 4-CYCLE
- RIDING STYLE:
- UTV
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 700 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 84.00 MM
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
$716.95 -
HOT RODS Crankshaft 4080
HOT RODS
$741.95If you're building a long-stroke engine for your ATV, you need a crankshaft engineered specifically for that application—and the HOT RODS 4080 delivers exactly that. This complete assembly arrives factory-trued to OEM specs and ready to install,...09210123- SKU:
- 09210123
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- UTV
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 660 CC
- MODEL:
- 4-CYCLE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
$741.95 -
HOT RODS Crankshaft - Stroker 4178
HOT RODS
$673.95If you're serious about maximizing displacement and torque in your ATV, a stroker crankshaft is one of the most effective bolt-on upgrades available. The HOT RODS 4178 delivers factory-proven reliability with the added benefit of increased stroke length,...09210124- SKU:
- 09210124
- Availability:
- Ships Same Business Day
- Weight:
- 16.10 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 89.00 MM
- MODEL:
- 4-CYCLE
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 89,00 MM
- DISPLACEMENT:
- 727 CC
- TYPE:
- STROKER
- COLOR/FINISH:
- STEEL
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
$673.95Qty in Cart: 0Quantity:Price:$673.95Subtotal: -
HOT RODS Crankshaft - Stroker 4179
HOT RODS
$664.95If you're serious about maximizing displacement and low-end torque on your ATV, a stroker crankshaft is one of the most effective bolt-on upgrades available. The HOT RODS Stroker 4179 delivers factory-assembled reliability without the machine work...09210125- SKU:
- 09210125
- Availability:
- Ships Same Business Day
- Weight:
- 17.13 LBS
- DISPLACEMENT:
- 727 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
- COLOR/FINISH:
- STEEL
- STROKE LENGTH METRIC:
- 89.00 MM
- TYPE:
- STROKER
- MATERIAL:
- 4140 STEEL
- MODEL:
- 4-CYCLE
- STROKE LENGTH:
- 89,00 MM
- UNITS:
- ASSEMBLY
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- RIDING STYLE:
- UTV
$664.95Qty in Cart: 0Quantity:Price:$664.95Subtotal: -
HOT RODS Crankshaft Assembly - Stroker 4111
HOT RODS
$797.95If you're serious about maximizing displacement and low-end torque in your 400cc ATV, the HOT RODS Stroker 4111 crankshaft assembly delivers a complete, ready-to-install solution without the machine work and custom fabrication typically required for...H129- SKU:
- H129
- Availability:
- Ships Same Business Day
- Weight:
- 14.25 LBS
- MODEL:
- 2-CYCLE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 29.00 MM
- DISPLACEMENT:
- UP TO 403 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- COLOR/FINISH:
- STEEL
- FEATURES:
- STANDARD CRANKSHAFT
- STROKE LENGTH:
- 29,00 MM
- TYPE:
- STROKER
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
$797.95 -
HOT RODS Crankshaft Assembly 4005
HOT RODS
$397.95If you're building a high-performance ATV engine, you need a crankshaft assembly that matches your ambitions—not compromises them. The HOT RODS 4005 arrives factory-assembled, trued to OEM specifications, and ready to handle the demands of long-stroke...H105- SKU:
- H105
- Availability:
- Ships Same Business Day
- Weight:
- 6.44 LBS
- MODEL:
- 2-CYCLE
- RIDING STYLE:
- ATV
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 57.00 MM
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 200 CC
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$397.95 -
HOT RODS Crankshaft Assembly 4007
HOT RODS
$502.95If you're building a high-performance ATV engine or restoring a worn crankshaft, the HOT RODS Crankshaft Assembly 4007 delivers factory-matched durability without the machine work. This complete, factory-assembled unit arrives trued to OEM specifications...H104X- SKU:
- H104X
- Availability:
- Ships Same Business Day
- Weight:
- 8.38 LBS
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- DISPLACEMENT:
- 250 CC
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 72.00 MM
- TYPE:
- OEM STROKE
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
$502.95 -
HOT RODS Crankshaft Assembly 4006
HOT RODS
$515.95A long-stroke crankshaft assembly unlocks measurable gains in torque and low-end power for high-demand ATV applications, giving you the bottom-end reliability that separates consistent race finishes from catastrophic failures. The HOT RODS Crankshaft...H103- SKU:
- H103
- Availability:
- Ships Same Business Day
- Weight:
- 8.38 LBS
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 72.00 MM
- UNITS:
- ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$515.95Qty in Cart: 0Quantity:Price:$515.95Subtotal: -
HOT RODS Crankshaft Assembly 4001
HOT RODS
$662.95If you're building a high-performance long-stroke engine for your ATV, you need a crankshaft assembly that's been engineered to handle the increased demands of extended stroke applications. The HOT RODS Crankshaft Assembly 4001 arrives factory-assembled,...H100- SKU:
- H100
- Availability:
- Ships Same Business Day
- Weight:
- 14.25 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- STROKE LENGTH METRIC:
- 54.00 MM
- TYPE:
- OEM STROKE
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 350 CC
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- RIDING STYLE:
- ATV
$662.95 -
HOT RODS Crankshaft 4430
HOT RODS
$1,311.95The HOT RODS Crankshaft 4430 delivers the reliability and performance margin you need when building or rebuilding a high-output engine. Factory-assembled and trued to OEM specifications, this crankshaft meets or exceeds stock performance while offering...09210607- SKU:
- 09210607
- Availability:
- Ships Same Business Day
- Weight:
- 21.60 LBS
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 4-CYCLE
- MATERIAL:
- 4140 STEEL
- TYPE:
- OEM STROKE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 71.50 MM
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 850 CC
- UNITS:
- ASSEMBLY
$1,311.95 -
HOT RODS Crankshaft 4429
HOT RODS
$900.95The HOT RODS Crankshaft 4429 is a factory-assembled, ready-to-install crankshaft engineered to meet or exceed OEM performance standards. Whether you're rebuilding a high-mileage engine or upgrading for increased reliability, this complete assembly...09210606- SKU:
- 09210606
- Availability:
- Ships Same Business Day
- Weight:
- 14.65 LBS
- DISPLACEMENT:
- 450 CC TO 570 CC
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 73.60 MM
- TYPE:
- OEM STROKE
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 4-CYCLE
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
$900.95 -
HOT RODS Crankshaft 4433
HOT RODS
$322.95The HOT RODS Crankshaft 4433 delivers the reliability and performance consistency your engine demands, whether you're running a stock rebuild or a high-output platform. Factory-assembled and trued to OEM specifications, this crankshaft meets or exceeds...09210603- SKU:
- 09210603
- Availability:
- Ships Same Business Day
- Weight:
- 19.80 LBS
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 71.50 MM
- TYPE:
- OEM STROKE
- MODEL:
- 4-CYCLE
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 1000 CC
- FEATURES:
- STANDARD CRANKSHAFT
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
$322.95 -
HOT RODS Crankshaft Kit CBK0226
HOT RODS
$1,244.95If you're building a high-displacement or stroker engine, your stock crankshaft simply won't cut it. The HOT RODS Crankshaft Kit CBK0226 delivers factory-assembled precision with increased stroke geometry, allowing you to gain meaningful displacement and...09210600- SKU:
- 09210600
- Availability:
- Ships Same Business Day
- Weight:
- 20.30 LBS
- PRODUCT NAME:
- CRANKSHAFT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$1,244.95 -
HOT RODS Crankshaft Kit CBK0224
HOT RODS
$1,191.95If you're building a high-displacement engine or need to recover stroke lost to boring, the HOT RODS Crankshaft Kit CBK0224 delivers factory-matched precision without compromise. This complete assembly arrives trued to OEM specifications and ready to...09210599- SKU:
- 09210599
- Availability:
- Ships Same Business Day
- Weight:
- 25.00 LBS
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT
$1,191.95
