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
-
EPI Roller Weights WE241010
EPI
$64.99Variator performance hinges on precise roller weight tuning—dial in your upshift point and peak RPM to match your riding style and track conditions. The EPI Roller Weights WE241010 give you the control to optimize belt engagement across the entire...11400257- SKU:
- 11400257
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- STYLE:
- ROLLER
- UNITS:
- 8 PACK
- PRODUCT NAME:
- WEIGHT
- TYPE:
- CLUTCH
$64.99Qty in Cart: 0Quantity:Price:$64.99Subtotal: -
EPI Housing Weights - Yamaha WE240000
EPI
$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 balance and response characteristics with surgical accuracy,...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
$56.99 -
EPI Roller Weights WEAC5016
EPI
$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 weights directly influence your clutch engagement curve,...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
$64.99 -
EPI Roller Weights WEAC5018
EPI
$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 peak RPM with direct, measurable adjustments—critical...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
$64.99 -
EPI Roller Weights WEAC5020
EPI
$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 and peak RPM with precision, giving you the exact power...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
$64.99Qty in Cart: 0Quantity:Price:$64.99Subtotal: -
EPI Roller Weights WEAC5022
EPI
$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 conditions. Whether you're chasing top-end acceleration or...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
$64.99Qty in Cart: 0Quantity:Price:$64.99Subtotal: -
EPI Housing Weights WEAC5000
EPI
$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, controlled mass adjustments—essential for competitive racing...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
$59.99 -
EPI Clutch Kit AW443114
EPI
$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- and mid-range acceleration without requiring engine...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
$279.99 -
EPI Clutch Kit WE435013
EPI
$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 responsiveness your stock clutch can't deliver. This kit...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
$354.99 -
EPI Clutch Kit WE435073
EPI
$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 acceleration and eliminates the sluggish feel that comes with...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
$354.99 -
EPI Economy Clutch Kit AW418039
EPI
$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 shift responsiveness without breaking the bank. This...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
$99.99 -
EPI Economy Clutch Kit WE497050
EPI
$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 without the premium price tag, making it the smart...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
$59.99 -
EPI Clutch Rollers 2 Pack WE213222
EPI
$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 potential belt slippage. The EPI Clutch Rollers 2 Pack restores...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
$74.99 -
EPI Pro Series Clutch Roller WE213227
EPI
$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 precision tolerances and material quality needed to restore...11410381- SKU:
- 11410381
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- ROLLER
- UNITS:
- SET
- TYPE:
- CLUTCH
- RIDING STYLE:
- UTV
$109.99 -
EPI Pro Series Clutch Rollers WE213225
EPI
$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 square sliders with a purpose-engineered solution that...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)
$74.99 -
EPI Clutch Rollers 2 Pack WE213224
EPI
$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 sluggish engagement, slippage, and reduced shift quality...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
$59.99 -
EPI Drive Belt WE261010
EPI
$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 construction with a specialized double-cog design to...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
$164.99 -
EPI Drive Belt WE264010
EPI
$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 tensile cord and a purpose-built double-cog design to...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
$164.99Qty in Cart: 0Quantity:Price:$164.99Subtotal: -
EPI Drive Belt WE265010
EPI
$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 WE265010 eliminates these issues with aramid tensile cords...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
$164.99 -
EPI Drive Belt WE261025
EPI
$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 delivers the load capacity and thermal management you need...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
$164.99
