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 Kit 4406
HOT RODS
$502.95If you're building a high-performance long-stroke engine for your ATV, a quality crankshaft assembly is non-negotiable—it's the foundation that handles increased displacement and stress without compromise. The HOT RODS Crankshaft Kit 4406 arrives...09210499- SKU:
- 09210499
- Availability:
- Ships Same Business Day
- Weight:
- 9.35 LBS
- RIDING STYLE:
- ATV
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- DISPLACEMENT:
- 450 CC
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 4-CYCLE
- STROKE LENGTH METRIC:
- 63.40 MM
- TYPE:
- OEM STROKE
$502.95 -
HOT RODS Crankshaft Kit 4409
HOT RODS
$569.95If you're running a long-stroke build on your ATV, a quality crankshaft assembly is non-negotiable—it's the foundation that determines reliability under load and sustained RPM. The HOT RODS 4409 arrives factory-assembled and trued to OEM specs,...09210500- SKU:
- 09210500
- Availability:
- Ships Same Business Day
- Weight:
- 10.70 LBS
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- MODEL:
- 4-CYCLE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 68.00 MM
- DISPLACEMENT:
- 350 CC
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
$569.95 -
HOT RODS Crankshaft Kit 4410
HOT RODS
$689.95A long-stroke crankshaft delivers measurable gains in low-end torque and overall engine efficiency—critical advantages whether you're chasing lap times or maximizing trail performance. The HOT RODS 4410 Kit arrives factory-assembled and trued to OEM...09210501- SKU:
- 09210501
- Availability:
- Ships Same Business Day
- Weight:
- 12.30 LBS
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 71.50 MM
- DISPLACEMENT:
- 500 CC
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
$689.95 -
HOT RODS Crankshaft Kit 4411
HOT RODS
$360.95If you're running a high-displacement build on your ATV or looking to maximize bottom-end reliability under boost, a quality crankshaft assembly is non-negotiable. The HOT RODS Crankshaft Kit 4411 arrives factory-assembled and trued to OEM...09210502- SKU:
- 09210502
- Availability:
- Ships Same Business Day
- Weight:
- 8.85 LBS
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 62.20 MM
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
$360.95 -
HOT RODS Crankshaft Kit CBK0192
HOT RODS
$795.95If you're building or rebuilding an engine that demands reliability and performance beyond stock specifications, the HOT RODS Crankshaft Kit CBK0192 delivers the durability of a professional-grade component at a fraction of custom fabrication costs. This...09210522- SKU:
- 09210522
- Availability:
- Ships Same Business Day
- Weight:
- 14.50 LBS
- TYPE:
- OEM
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- UNITS:
- KIT
$795.95 -
HOT RODS Crankshaft Kit CBK0193
HOT RODS
$1,258.95If you're building a high-performance engine or restoring a classic, a quality crankshaft is non-negotiable—it's the foundation that determines reliability under extreme loads and RPM. The HOT RODS Crankshaft Kit CBK0193 arrives factory-assembled and...09210523- SKU:
- 09210523
- Availability:
- Ships Same Business Day
- Weight:
- 19.75 LBS
- TYPE:
- OEM
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
$1,258.95 -
HOT RODS Crankshaft Kit CBK0121
HOT RODS
$716.95A high-performance crankshaft assembly is the backbone of engine durability under extreme operating conditions. The HOT RODS Crankshaft Kit CBK0121 delivers OEM-spec precision with factory-assembled construction, eliminating guesswork and reducing...09210411- SKU:
- 09210411
- Availability:
- Ships Same Business Day
- Weight:
- 13.00 LBS
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- ATV
- TYPE:
- OEM
- UNITS:
- KIT
$716.95 -
HOT RODS Crankshaft Kit 4421
HOT RODS
$1,292.95If you're building a high-performance long-stroke engine for your ATV, the HOT RODS Crankshaft Kit 4421 eliminates the guesswork and machine work typically required for these demanding builds. This complete, factory-assembled unit arrives trued to OEM...09210539- SKU:
- 09210539
- Availability:
- Ships Same Business Day
- Weight:
- 20.60 LBS
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 900 CC
- MODEL:
- 4-CYCLE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 64.40 MM
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$1,292.95 -
Wiseco Crankshaft Kit for 1988-2006 Yamaha YFS200 Blaster WPC105
WISECO
$432.95If you're rebuilding a YFS200 Blaster engine, the integrity of your crankshaft directly determines reliability, longevity, and how safely your engine can handle peak RPM loads. Wiseco's complete crankshaft kit eliminates the guesswork of sourcing...09210113- SKU:
- 09210113
- Availability:
- Ships Same Business Day
- Weight:
- 8.36 LBS
- STROKE LENGTH METRIC:
- 57.00 MM
- TYPE:
- BOTTOM END
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- MATERIAL:
- STEEL
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$432.95 -
Wiseco Crankshaft Assembly for 1987-2006 Yamaha Banshee 350 4x2 WPC100
WISECO
$788.95A quality crankshaft assembly is the foundation of engine reliability and longevity—especially in high-demand 2-stroke applications. This Wiseco unit delivers factory precision with materials and engineering designed to withstand repeated stress cycles,...09210114- SKU:
- 09210114
- Availability:
- Ships Same Business Day
- Weight:
- 15.48 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- TYPE:
- BOTTOM END
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 54.00 MM
$788.95Qty in Cart: 0Quantity:Price:$788.95Subtotal: -
Wiseco Crankshaft Kit for 2008-2010 Polaris RZR 800 WPC223A
WISECO
$987.77The crankshaft is the backbone of your engine's reliability and performance—especially when you're pushing your RZR 800 hard in the field or on the track. Wiseco's WPC223A kit comes fully assembled with factory precision and includes everything you need...09210882- SKU:
- 09210882
- Availability:
- Ships Same Business Day
- Weight:
- 24.60 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CRANKSHAFT KIT
- UNITS:
- KIT
- RIDING STYLE:
- UTV
$987.77 -
Wiseco Crankshaft Kit for Polaris RZR 800 2011-2014 WPC223B
WISECO
$999.95A complete bottom-end rebuild demands precision engineering and uncompromising reliability—especially when you're pushing your RZR 800 to its limits. The Wiseco WPC223B kit eliminates the guesswork of sourcing individual components by delivering a...09210883- SKU:
- 09210883
- Availability:
- Ships Same Business Day
- Weight:
- 23.90 LBS
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$999.95 -
Wiseco Crankshaft Assembly for Yamaha YFM660R Raptor 2001-2005 WPC133
WISECO
$666.95When you're rebuilding your YFM660R Raptor's bottom end, you need a crankshaft assembly that matches the precision of your engine's demands. Wiseco's WPC133 delivers factory-assembled reliability with shot-peened surfaces and double-forged connecting...09210144- SKU:
- 09210144
- Availability:
- Ships Same Business Day
- Weight:
- 17.11 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- TYPE:
- BOTTOM END
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 84.00 MM
$666.95Qty in Cart: 0Quantity:Price:$666.95Subtotal: -
HOT RODS Crankshaft Kit CBK0166
HOT RODS
$927.95If you're building a high-performance engine or restoring a classic, the HOT RODS Crankshaft Kit CBK0166 delivers factory-matched precision without compromise. This complete assembly arrives ready for installation, eliminating the guesswork and saving...09210424- SKU:
- 09210424
- Availability:
- Ships Same Business Day
- Weight:
- 13.35 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- ATV
- TYPE:
- STROKER
$927.95 -
HOT RODS Crankshaft Kit CBK0115
HOT RODS
$874.95If you're building a high-performance engine or need to replace a worn crankshaft, the HOT RODS CBK0115 Crankshaft Kit delivers factory-spec reliability without compromise. This complete assembly arrives ready for installation, pairing a...09210425- SKU:
- 09210425
- Availability:
- Ships Same Business Day
- Weight:
- 22.45 LBS
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- ATV
- TYPE:
- OEM
- UNITS:
- KIT
$874.95 -
HOT RODS Crankshaft Kit CBK0123
HOT RODS
$1,192.95Whether you're building a high-displacement stroker engine or replacing a worn crankshaft, the HOT RODS Crankshaft Kit CBK0123 delivers factory-matched precision with the durability demanded by serious racers and engine builders. This complete assembly...09210426- SKU:
- 09210426
- Availability:
- Ships Same Business Day
- Weight:
- 24.91 LBS
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- TYPE:
- OEM
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- ATV
$1,192.95 -
HOT RODS Crankshaft Kit CBK0151
HOT RODS
$980.95If you're building a high-performance engine that demands reliability under extreme conditions, the HOT RODS Crankshaft Kit CBK0151 delivers factory-matched precision with the durability to exceed OEM specifications. This complete assembly arrives ready...09210427- SKU:
- 09210427
- Availability:
- Ships Same Business Day
- Weight:
- 21.05 LBS
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- STROKER
$980.95 -
HOT RODS Crankshaft 4091
HOT RODS
$937.95If you're building a long-stroke engine for your ATV, you need a crankshaft engineered to handle increased displacement without compromise. The HOT RODS Crankshaft 4091 arrives factory-assembled, trued to OEM specifications, and ready to...09210153- SKU:
- 09210153
- Availability:
- Ships Same Business Day
- Weight:
- 21.47 LBS
- MODEL:
- 4-CYCLE
- DISPLACEMENT:
- 800 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 75.60 MM
- TYPE:
- OEM STROKE
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
$937.95 -
HOT RODS Crankshaft Assembly 4060
HOT RODS
$502.95If you're building a long-stroke engine for your ATV, the HOT RODS Crankshaft Assembly 4060 eliminates the guesswork and machine work typically required for displacement upgrades. This factory-assembled, trued crankshaft arrives complete with proven HOT...09210029- SKU:
- 09210029
- Availability:
- Ships Same Business Day
- Weight:
- 10.61 LBS
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 64.80 MM
- DISPLACEMENT:
- 450 CC
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
$502.95Qty in Cart: 0Quantity:Price:$502.95Subtotal: -
HOT RODS Crankshaft Assembly - Stroker 4105
HOT RODS
$439.95If you're serious about maximizing displacement and low-end torque on your ATV, a stroker crankshaft is one of the most effective upgrades available. The HOT RODS Stroker 4105 gives you a complete, factory-assembled assembly that's ready to bolt in—no...09210010- SKU:
- 09210010
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 209 CC
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH:
- 61,00 MM
- STROKE LENGTH METRIC:
- 61.00 MM
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- TYPE:
- STROKER
$439.95Qty in Cart: 0Quantity:Price:$439.95Subtotal:
