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
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On Sale
HOT RODS Crankshaft Assembly 4062
HOT RODS
MSRP: $417.95Now: $376.16Was: $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...09210030- SKU:
- 09210030
- Availability:
- Ships Same Business Day
- Weight:
- 9.24 LBS
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 92.00 MM
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- DISPLACEMENT:
- 450 CC
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
MSRP: $417.95Now: $376.16Was: $417.95Qty in Cart: 0Quantity:Price:MSRP: $417.95Now: $376.16Was: $417.95Subtotal: -
On Sale
HOT RODS Crankshaft Assembly 4059
HOT RODS
MSRP: $588.95Now: $530.06Was: $588.95Sold 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...09210033- SKU:
- 09210033
- Availability:
- Ships Same Business Day
- Weight:
- 9.81 LBS
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STROKE LENGTH METRIC:
- 62.60 MM
- UNITS:
- ASSEMBLY
- MODEL:
- 4-CYCLE
- RIDING STYLE:
- ATV
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 400 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
MSRP: $588.95Now: $530.06Was: $588.95Qty in Cart: 0Quantity:Price:MSRP: $588.95Now: $530.06Was: $588.95Subtotal: -
On Sale
HOT RODS Crankshaft Assembly 4027
HOT RODS
MSRP: $420.95Now: $378.86Was: $420.95Sold 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...H120- SKU:
- H120
- Availability:
- Ships Same Business Day
- Weight:
- 8.50 LBS
- DISPLACEMENT:
- 250 CC
- MODEL:
- 2-CYCLE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
MSRP: $420.95Now: $378.86Was: $420.95Qty in Cart: 0Quantity:Price:MSRP: $420.95Now: $378.86Was: $420.95Subtotal: -
On Sale
HOT RODS Crankshaft 4432
HOT RODS
MSRP: $322.95Now: $290.66Was: $322.95Assembly 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 rebuild-able with genuine Hot Rods...09210604- SKU:
- 09210604
- Availability:
- Ships Same Business Day
- Weight:
- 16.30 LBS
- DISPLACEMENT:
- 550 CC
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 82.00 MM
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- TYPE:
- OEM STROKE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- UNITS:
- ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 4-CYCLE
- RIDING STYLE:
- ATV
MSRP: $322.95Now: $290.66Was: $322.95Qty in Cart: 0Quantity:Price:MSRP: $322.95Now: $290.66Was: $322.95Subtotal: -
PROX Crankshaft 10.2456
PROX
$387.25High-quality forged connecting rod kit, Meet or exceed OEM crankshafts in performance and durability09210803- SKU:
- 09210803
- Availability:
- Ships Same Business Day
- Weight:
- 9.75 LBS
- PRODUCT NAME:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$387.25 -
EPI Crankshaft Seal WE522162
EPI
$14.99Polaris 2-Stroke ATVs WE522162 Designed specifically for Polaris 2-Stroke ATVs for optimal performance. High-quality materials ensure durability and longevity in rugged conditions. Easy installation process, allowing for quick upgrades or...WE522162- SKU:
- WE522162
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- SNOW
- TYPE:
- CRANKSHAFT
$14.99 -
EPI Crankshaft Seal WE524120
EPI
$21.99Polaris 2-Stroke ATVs WE524120 Designed specifically for Polaris 2-Stroke ATVs, ensuring a perfect fit and optimal performance. Durable construction that withstands rugged terrains and harsh weather conditions. Enhanced fuel efficiency to...WE524120- SKU:
- WE524120
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- SEAL
- TYPE:
- CRANKSHAFT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$21.99Qty in Cart: 0Quantity:Price:$21.99Subtotal: -
EPI Crankshaft Seal WE524581
EPI
$14.99Polaris 2-Stroke ATVs WE524581 Designed specifically for Polaris 2-Stroke ATVs, ensuring optimal fit and performance. High-quality construction for enhanced durability and longevity on rugged terrains. Lightweight design that does not...WE524581- SKU:
- WE524581
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- CRANKSHAFT
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$14.99Qty in Cart: 0Quantity:Price:$14.99Subtotal: -
EPI Crankshaft Seal WE524725
EPI
$24.99Polaris 2-Stroke ATVs WE524725 Designed specifically for Polaris 2-Stroke ATVs for optimal performance. High-quality materials ensure durability and long-lasting use. Easy installation process, no special tools required. Enhances overall...WE524725- SKU:
- WE524725
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
- TYPE:
- CRANKSHAFT
- RIDING STYLE:
- ATV
$24.99Qty in Cart: 0Quantity:Price:$24.99Subtotal:
