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 Clutch Kit WE437210
EPI
$249.99If you're running a utility machine that needs to handle everything from trail work to hauling loads, belt slippage and inconsistent throttle response will kill your efficiency and increase clutch wear. The EPI Clutch Kit WE437210 is purpose-built to...11400578- SKU:
- 11400578
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
$249.99Qty in Cart: 0Quantity:Price:$249.99Subtotal: -
EPI Clutch Kit WE437247
EPI
$374.99If you're running oversized tires or frequently hitting the trail, sand, and mud, you're likely experiencing sluggish low-end response and belt slip under load. The EPI Clutch Kit WE437247 restores the acceleration and throttle crisp you've lost to added...11400581- SKU:
- 11400581
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 30' - 32'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
$374.99Qty in Cart: 0Quantity:Price:$374.99Subtotal: -
EPI Mud Clutch Kit - Polaris WE437249
EPI
$374.99If you've upgraded to larger tires on your Polaris, you've likely noticed a significant dip in acceleration and turning response—the EPI Mud Clutch Kit WE437249 is engineered to restore that lost performance and then some. This purpose-built clutch...11400582- SKU:
- 11400582
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 30'+
$374.99 -
EPI Clutch Button Kit - Can Am WE210931
EPI
$56.99Primary clutch buttons wear faster than any other component in your clutch system, and worn buttons directly tank your engagement quality and throttle response. This complete rebuild kit lets you restore your Can-Am primary clutch to factory...11400587- SKU:
- 11400587
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- 12 PACK
- PRODUCT NAME:
- BUTTON KIT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- TYPE:
- PRIMARY CLUTCH
$56.99 -
EPI Clutch Rebuild Kit WE210190
EPI
$259.99A worn primary clutch is the silent killer of CVT performance—it robs you of engagement, consistency, and power transfer when you need it most. The EPI Clutch Rebuild Kit WE210190 gives you everything needed to restore your clutch to factory...11400588- SKU:
- 11400588
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- STYLE:
- PRIMARY (DRIVE)
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
- RIDING STYLE:
- UTV
$259.99 -
EPI Clutch Kit WE437140
EPI
$354.99If you're running oversized tires or frequently tackling trail, mud, and sand terrain, you're likely experiencing power loss and sluggish throttle response—the EPI Clutch Kit WE437140 is engineered to restore that low-end punch and crisp acceleration...11400539- SKU:
- 11400539
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 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 Mud Clutch Kit - Arctic Cat WE437142
EPI
$354.99Upgrading to larger tires on your Arctic Cat throws off your clutch calibration, robbing you of power and responsiveness. The EPI Mud Clutch Kit restores that lost performance while giving you the mechanical advantage you need to turn oversized rubber in...11400540- SKU:
- 11400540
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 28'+
- RIDING STYLE:
- ATV
$354.99 -
EPI Clutch Kit WE437123
EPI
$354.99If you're running a stock motor and need a clutch kit that actually performs across multiple riding conditions, the EPI WE437123 is built for versatility without compromise. This field-tested kit tackles everything from trail riding to hauling and...11400541- SKU:
- 11400541
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
$354.99Qty in Cart: 0Quantity:Price:$354.99Subtotal: -
EPI Clutch Kit WE437125
EPI
$354.99If you've upgraded to oversized tires or frequently operate in varied terrain—from trails to mud to sand—the EPI Clutch Kit WE437125 restores the low-end punch your engine loses with added rotational mass. This kit delivers noticeably quicker throttle...11400542- SKU:
- 11400542
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
$354.99Qty in Cart: 0Quantity:Price:$354.99Subtotal: -
EPI Mud Clutch Kit - Can Am WE437127
EPI
$354.99When you upsize your Can-Am's tires for serious mud terrain, your stock clutch system loses responsiveness and struggles to deliver power where you need it. The EPI Mud Clutch Kit WE437127 restores that lost performance while making those aggressive...11400543- SKU:
- 11400543
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- 28'+
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
$354.99 -
EPI Mud Clutch Kit - Can Am WE437137
EPI
$354.99Upgrading to larger tires on your Can-Am is a smart move for terrain capability, but it demands a clutch system engineered to handle the added load and rotational mass. The EPI Mud Clutch Kit restores the power delivery and responsiveness your machine...11400544- SKU:
- 11400544
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- 28'+
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$354.99 -
EPI Clutch Kit WE437161
EPI
$374.99If you've upgraded to oversized tires or frequently ride in challenging terrain, the EPI Clutch Kit WE437161 restores the low-end punch and throttle responsiveness your machine loses with that added weight and rolling resistance. This kit delivers crisp...11400551- SKU:
- 11400551
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- FOR TIRE SIZE IMPERIAL:
- 30' - 32'
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
$374.99 -
EPI Clutch Kit WE437152
EPI
$249.99If your UTV sees varied terrain and duty cycles—from trail riding to hauling—a one-size-fits-all clutch kit simply won't cut it. The EPI Clutch Kit WE437152 is engineered as a true all-purpose solution, delivering improved low- and mid-range acceleration...11400553- SKU:
- 11400553
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- FOR TIRE SIZE IMPERIAL:
- STOCK
- RIDING STYLE:
- ATV
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
$249.99Qty in Cart: 0Quantity:Price:$249.99Subtotal: -
EPI Mud Clutch Kit - Can Am WE436526
EPI
$354.99Upgrading to larger tires on your Can-Am delivers aggressive styling and improved ground clearance, but it also robs your machine of low-end power and makes mud crawling harder work. The EPI Mud Clutch Kit WE436526 restores that lost torque, giving you...11400471- SKU:
- 11400471
- Availability:
- Ships Same Business Day
- Weight:
- 1.58 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- 28'+
$354.99 -
EPI Mud Clutch Kit - Kawasaki AW455750
EPI
$279.99If you've upgraded to larger tires on your Kawasaki ATV, you've likely experienced the frustration of power loss and sluggish low-end response. The EPI Mud Clutch Kit restores that lost performance while making your machine dramatically easier to control...11400473- SKU:
- 11400473
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- 28'+
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- RIDING STYLE:
- UTV
$279.99 -
EPI Mud Clutch Kit - Kawasaki AW443104
EPI
$279.99If you've upgraded to larger tires on your Kawasaki, you know the performance hit that comes with increased rotational mass—power loss, sluggish throttle response, and belt slip under load. The EPI Mud Clutch Kit restores that lost low-end torque and...11400474- SKU:
- 11400474
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- 28'+
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
$279.99 -
EPI Mud Clutch Kit - Yamaha WE394660
EPI
$249.99Upgrading to larger tires on your Yamaha can rob you of low-end power and make turning in muddy conditions a chore—the EPI Mud Clutch Kit WE394660 restores that lost performance and gives you the responsiveness you need. This kit recalibrates your clutch...11400476- SKU:
- 11400476
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- FOR TIRE SIZE IMPERIAL:
- 28'+
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
$249.99Qty in Cart: 0Quantity:Price:$249.99Subtotal: -
EPI Mud Clutch Kit - Yamaha WE394670
EPI
$249.99Upgrading to larger tires on your Yamaha demands a clutch system engineered to handle the increased load and rotational mass—the EPI Mud Clutch Kit restores the power delivery and low-end torque your machine lost the moment you went bigger. If you've...11400477- SKU:
- 11400477
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 28'+
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
$249.99 -
EPI Mud Clutch Kit - Can Am WE437057
EPI
$354.99If you've upgraded to larger tires on your Can-Am, you've likely noticed a drop in low-end power and sluggish throttle response—the EPI Mud Clutch Kit WE437057 is engineered to restore that performance loss and give you back crisp acceleration. This...11400480- SKU:
- 11400480
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
- FOR TIRE SIZE IMPERIAL:
- 28'+
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
$354.99 -
EPI Clutch Kit WE437050
EPI
$249.99If you're running oversized tires or frequently hauling loads, you're losing power and throttle response right off the line. The EPI Clutch Kit WE437050 restores that low-end punch and mid-range acceleration by optimizing belt engagement and eliminating...11400488- SKU:
- 11400488
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- FOR TIRE SIZE IMPERIAL:
- ANY
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
$249.99
