ATV/UTV Drivetrain
ATV/UTV Drivetrain Parts at JJ Motorsports
Enhance your ATV or UTV's power transfer with rugged drivetrain components from JJ Motorsports. Our selection includes differential bearing/seal kits, drive shaft assemblies, reverse chains, and steel plates designed for superior strength, friction resistance, and easy installation in challenging off-road conditions. Compatible with Can-Am, Polaris, Kawasaki, and more, these parts exceed OEM specs for better traction, reduced wear, and reliable performance on trails or utility tasks.
Shop trusted brands like Moose Racing for precision kits. Explore related categories such as ATV/UTV engine parts for rebuilds or ATV/UTV braking for complete systems.
Top ATV/UTV Drivetrain Products
- MOOSE RACING Differential Bearing/Seal Kit - Can-Am - Front/Rear 25-2106 – High-speed EMQ bearings with advanced seals for optimal performance.
- MOOSE RACING Center Drive Shaft Bearing Assembly 25-1671 – Complete assembly with aggressive seals to keep out dirt and water.
- MOOSE RACING Transaxle Reverse Chain 25-8001 – Heat-treated for 4.5% stronger shear strength than OEM.
- MOOSE RACING Steel Drive Plates M80-7800-7 – 300% stronger than aluminum with increased flywheel effect for better traction.
- MOOSE RACING Differential Seal Kit - Front 25-2115-5 – High-quality rubber seals for leak-proof differential protection.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
EPI Housing Weights - Yamaha WE240000
EPI
MSRP: $56.99Now: $51.29Was: $56.99Fine-tuning your Yamaha's performance requires precision at every level—including weight distribution in critical drivetrain components. EPI Housing Weights allow you to dial in your machine's...11400258- SKU:
- 11400258
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- TYPE:
- CLUTCH WEIGHT
- MATERIAL:
- NYLON
- PRODUCT NAME:
- HOUSING
- UNITS:
- EACH
MSRP: $56.99Now: $51.29Was: $56.99 -
On Sale
EPI Roller Weights WEAC5016
EPI
MSRP: $64.99Now: $58.49Was: $64.99If you're running a CVT transmission system and want precise control over your upshift points and peak RPM delivery, EPI Roller Weights WEAC5016 are essential tuning components. These plated roller...11400259- SKU:
- 11400259
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
- PRODUCT NAME:
- WEIGHT
- RIDING STYLE:
- UTV
- STYLE:
- ROLLER
- UNITS:
- 8 PACK
MSRP: $64.99Now: $58.49Was: $64.99Qty in Cart: 0Quantity:Price:MSRP: $64.99Now: $58.49Was: $64.99Subtotal: -
On Sale
EPI Roller Weights WEAC5018
EPI
MSRP: $64.99Now: $58.49Was: $64.99CVT transmission performance depends on precise weight calibration to control belt engagement and shift characteristics. The EPI Roller Weights WEAC5018 allow you to fine-tune your upshift point and...11400260- SKU:
- 11400260
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- STYLE:
- ROLLER
- UNITS:
- 8 PACK
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- WEIGHT
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
MSRP: $64.99Now: $58.49Was: $64.99 -
On Sale
EPI Roller Weights WEAC5020
EPI
MSRP: $64.99Now: $58.49Was: $64.99CVT transmission tuning hinges on roller weight selection—get it wrong, and you'll sacrifice either acceleration or top-end power. The EPI Roller Weights WEAC5020 let you dial in your upshift point...11400261- SKU:
- 11400261
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- WEIGHT
- STYLE:
- ROLLER
- UNITS:
- 8 PACK
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
- RIDING STYLE:
- UTV
MSRP: $64.99Now: $58.49Was: $64.99Qty in Cart: 0Quantity:Price:MSRP: $64.99Now: $58.49Was: $64.99Subtotal: -
On Sale
EPI Roller Weights WEAC5022
EPI
MSRP: $64.99Now: $58.49Was: $64.99CVT transmission performance hinges on precise roller weight tuning—EPI Roller Weights WEAC5022 let you dial in your upshift point and peak RPM for optimal power delivery across your riding...11400262- SKU:
- 11400262
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- UTV
- STYLE:
- ROLLER
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- WEIGHT
- TYPE:
- CLUTCH
- UNITS:
- 8 PACK
MSRP: $64.99Now: $58.49Was: $64.99Qty in Cart: 0Quantity:Price:MSRP: $64.99Now: $58.49Was: $64.99Subtotal: -
On Sale
EPI Housing Weights WEAC5000
EPI
MSRP: $59.99Now: $53.99Was: $59.99Precision weight distribution is critical for optimizing your vehicle's handling characteristics and suspension geometry. EPI Housing Weights allow you to fine-tune your setup with minimal,...11400263- SKU:
- 11400263
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- UTV
- TYPE:
- CLUTCH WEIGHT
- PRODUCT NAME:
- HOUSING
- UNITS:
- EACH
- MATERIAL:
- NYLON
- RIDING STYLE:
- ATV
MSRP: $59.99Now: $53.99Was: $59.99 -
On Sale
EPI Clutch Kit AW443114
EPI
MSRP: $279.99Now: $251.99Was: $279.99If your riding demands versatility—from trail work to occasional mud and sand—this clutch kit eliminates the guesswork of piecing together a one-trick setup. The EPI AW443114 delivers improved low-...11400276- SKU:
- 11400276
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $279.99Now: $251.99Was: $279.99Qty in Cart: 0Quantity:Price:MSRP: $279.99Now: $251.99Was: $279.99Subtotal: -
On Sale
EPI Clutch Kit WE435013
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running oversized tires or frequently tackling low-speed, high-torque demands like trail riding, mud work, or hauling, the EPI Clutch Kit WE435013 restores the low-end punch and...11400118- SKU:
- 11400118
- Availability:
- Ships Same Business Day
- Weight:
- 2.82 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
MSRP: $354.99Now: $319.49Was: $354.99Qty in Cart: 0Quantity:Price:MSRP: $354.99Now: $319.49Was: $354.99Subtotal: -
On Sale
EPI Clutch Kit WE435073
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running oversized tires or tackling mixed terrain—from trails to mud to sand—you're sacrificing low-end punch and throttle response. The EPI Clutch Kit WE435073 restores that lost...11400119- SKU:
- 11400119
- Availability:
- Ships Same Business Day
- Weight:
- 2.82 LBS
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
MSRP: $354.99Now: $319.49Was: $354.99 -
On Sale
EPI Economy Clutch Kit AW418039
EPI
MSRP: $99.99Now: $89.99Was: $99.99If you're running a trail machine that struggles with belt slippage or sluggish engagement, the EPI Economy Clutch Kit AW418039 delivers the spring tuning needed to optimize your clutch's grip and...11400122- SKU:
- 11400122
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- FOR TIRE SIZE IMPERIAL:
- ANY
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $99.99Now: $89.99Was: $99.99 -
On Sale
EPI Economy Clutch Kit WE497050
EPI
MSRP: $59.99Now: $53.99Was: $59.99If you're running stock clutching on your trail machine, you're leaving performance on the table. The EPI Economy Clutch Kit WE497050 delivers measurable improvements in belt grip and shift response...11400124- SKU:
- 11400124
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- ELEVATION IMPERIAL:
- ANY
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- FOR TIRE SIZE IMPERIAL:
- ANY
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $59.99Now: $53.99Was: $59.99 -
On Sale
EPI Clutch Rollers 2 Pack WE213222
EPI
MSRP: $74.99Now: $67.49Was: $74.99Clutch roller wear directly impacts your CVT transmission's shift response and overall reliability. OEM rollers degrade under sustained performance driving, leading to delayed engagement and...11410248- SKU:
- 11410248
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- STYLE:
- EBS
- STYLE:
- SECONDARY (DRIVEN)
- TYPE:
- CLUTCH
- PRODUCT NAME:
- ROLLER KIT
- UNITS:
- 2 PACK
MSRP: $74.99Now: $67.49Was: $74.99 -
On Sale
EPI Pro Series Clutch Roller WE213227
EPI
MSRP: $109.99Now: $98.99Was: $109.99Clutch roller wear is one of the most common causes of performance loss and inconsistent engagement in high-demand racing applications. The EPI Pro Series Clutch Roller WE213227 delivers the...11410381- SKU:
- 11410381
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- ROLLER
- UNITS:
- SET
- TYPE:
- CLUTCH
- RIDING STYLE:
- UTV
MSRP: $109.99Now: $98.99Was: $109.99Qty in Cart: 0Quantity:Price:MSRP: $109.99Now: $98.99Was: $109.99Subtotal: -
On Sale
EPI Pro Series Clutch Rollers WE213225
EPI
MSRP: $74.99Now: $67.49Was: $74.99Stock clutch rollers introduce friction and binding that rob your shift quality and accelerate wear on your entire clutch system. The EPI Pro Series Clutch Rollers WE213225 replace your factory...11410369- SKU:
- 11410369
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CLUTCH
- UNITS:
- PAIR
- PRODUCT NAME:
- ROLLER
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- STYLE:
- SECONDARY (DRIVEN)
MSRP: $74.99Now: $67.49Was: $74.99 -
On Sale
EPI Clutch Rollers 2 Pack WE213224
EPI
MSRP: $59.99Now: $53.99Was: $59.99Clutch rollers are a critical wear component that directly impacts your transmission's ability to engage smoothly and handle power delivery under load. OEM rollers degrade over time, leading to...11410370- SKU:
- 11410370
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- ROLLER KIT
- RIDING STYLE:
- UTV
- STYLE:
- EBS
- TYPE:
- CLUTCH
- STYLE:
- SECONDARY (DRIVEN)
- UNITS:
- PAIR
MSRP: $59.99Now: $53.99Was: $59.99 -
On Sale
EPI Drive Belt WE261010
EPI
MSRP: $164.99Now: $148.49Was: $164.99If you're running high horsepower or aggressive riding styles, belt slip and excessive clutch heat will kill your performance and reliability. The EPI Drive Belt WE261010 combines aramid tensile cord...11420062- SKU:
- 11420062
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MATERIAL:
- RUBBER
- STYLE:
- RIBBED
- MATERIAL:
- ARAMID
- MODEL:
- SEVERE DUTY
- PRODUCT NAME:
- DRIVE BELT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ATV
- TYPE:
- DOUBLE-COGGED
- UNITS:
- EACH
- RIDING STYLE:
- UTV
MSRP: $164.99Now: $148.49Was: $164.99 -
On Sale
EPI Drive Belt WE264010
EPI
MSRP: $164.99Now: $148.49Was: $164.99If you're running high horsepower or pushing aggressive riding styles, belt slippage and clutch heat will rob you of performance and reliability. The EPI Drive Belt WE264010 is engineered with aramid...11420105- SKU:
- 11420105
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- UTV
- TYPE:
- DOUBLE-COGGED
- MATERIAL:
- RUBBER
- STYLE:
- RIBBED
- MATERIAL:
- ARAMID
- MODEL:
- SEVERE DUTY
- PRODUCT NAME:
- DRIVE BELT
- RIDING STYLE:
- ATV
MSRP: $164.99Now: $148.49Was: $164.99Qty in Cart: 0Quantity:Price:MSRP: $164.99Now: $148.49Was: $164.99Subtotal: -
On Sale
EPI Drive Belt WE265010
EPI
MSRP: $164.99Now: $148.49Was: $164.99If you're running aggressive riding styles or pushing high horsepower through your CVT system, belt slippage and heat degradation will kill your performance and reliability. The EPI Drive Belt...11420106- SKU:
- 11420106
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- UTV
- TYPE:
- DOUBLE-COGGED
- MATERIAL:
- ARAMID
- MODEL:
- SEVERE DUTY
- PRODUCT NAME:
- DRIVE BELT
- MATERIAL:
- RUBBER
- STYLE:
- RIBBED
MSRP: $164.99Now: $148.49Was: $164.99 -
On Sale
EPI Drive Belt WE261025
EPI
MSRP: $164.99Now: $148.49Was: $164.99If you're running high horsepower and aggressive riding styles, belt slippage and heat buildup will kill your CVT performance and wear out your drivetrain prematurely. The EPI Drive Belt WE261025...11420116- SKU:
- 11420116
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- TYPE:
- DOUBLE-COGGED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- RUBBER
- STYLE:
- RIBBED
- MATERIAL:
- ARAMID
- MODEL:
- SEVERE DUTY
- PRODUCT NAME:
- DRIVE BELT
MSRP: $164.99Now: $148.49Was: $164.99 -
On Sale
EPI Secondary Clutch Rebuild Kit WE213200
EPI
MSRP: $149.99Now: $134.99Was: $149.99Secondary clutch performance directly impacts your sled's acceleration, engagement, and overall drivability—and worn rollers, bushings, and springs compromise all three. This complete rebuild kit...11410118- SKU:
- 11410118
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
- RIDING STYLE:
- ATV
- STYLE:
- SECONDARY (DRIVEN)
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- UTV
- TYPE:
- CLUTCH
- UNITS:
- KIT
MSRP: $149.99Now: $134.99Was: $149.99Qty in Cart: 0Quantity:Price:MSRP: $149.99Now: $134.99Was: $149.99Subtotal:
