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!
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- Price
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MOOSE UTILITY Clutch Weights - 26-59 - 59 g - Polaris 100-1506-PU
MOOSE UTILITY
$55.95Clutch weight tuning is critical for optimizing your Polaris CVT's engagement characteristics and overall drivability. These MOOSE UTILITY 59g clutch weights enable precise calibration of your clutch...11400879- SKU:
- 11400879
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$55.95Qty in Cart: 0Quantity:Price:$55.95Subtotal: -
MOOSE UTILITY Primary Clutch Spring - Blue - Rate 36/76 100-1021-PU
MOOSE UTILITY
$24.95A primary clutch spring is the backbone of your CVT clutch system—it controls engagement RPM and load response to keep power delivery predictable across varying conditions. Running the correct spring...11400886- SKU:
- 11400886
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
MOOSE UTILITY Primary Clutch Spring - Blue/Yellow - Rate 42/180 100-1036-PU
MOOSE UTILITY
$24.95A primary clutch spring is fundamental to your CVT's engagement characteristics and belt drive efficiency. The MOOSE UTILITY 42/180 rate delivers precise load control across your RPM range,...11400887- SKU:
- 11400887
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
$24.95 -
MOOSE UTILITY Primary Clutch Spring - Black - Rate 99/143 100-1116-PU
MOOSE UTILITY
$24.95A primary clutch spring is fundamental to your CVT clutch's engagement characteristics and power delivery. Upgrading to a precision-rated spring like this MOOSE UTILITY unit ensures consistent belt...11400893- SKU:
- 11400893
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
$24.95 -
MOOSE UTILITY Secondary Clutch Rollers 100-2157-PU
MOOSE UTILITY
$32.95Secondary clutch rollers are critical to your ATV or UTV's CVT system—worn or inadequate rollers cause sluggish engagement, poor acceleration, and unpredictable power delivery. The MOOSE UTILITY...11400895- SKU:
- 11400895
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
MOOSE UTILITY Secondary Clutch Rollers - EBS 100-2193-PU
MOOSE UTILITY
$26.95Secondary clutch rollers are critical to your CVT's belt engagement and power delivery—worn or inadequate rollers result in sluggish acceleration, inconsistent shifting, and premature belt wear. The...11400896- SKU:
- 11400896
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$26.95Qty in Cart: 0Quantity:Price:$26.95Subtotal: -
MOOSE UTILITY Clutch Weights - 26-61 - 61 g - Polaris 100-1509-PU
MOOSE UTILITY
$55.95Clutch weight selection directly impacts your CVT transmission's engagement RPM, throttle response, and overall drivability—making the right choice critical for both trail performance and longevity...11400880- SKU:
- 11400880
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
$55.95Qty in Cart: 0Quantity:Price:$55.95Subtotal: -
MOOSE UTILITY Clutch Weights - 27-98 - 98 g - Polaris 100-1529-PU
MOOSE UTILITY
$66.95CVT clutch performance hinges on precise weight calibration, and undersized or worn clutch weights rob you of optimal belt engagement and throttle response. The MOOSE UTILITY 98g Clutch Weights...11400881- SKU:
- 11400881
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
$66.95 -
MOOSE UTILITY Primary Clutch Spring - Black/Red - Rate 58/135 100-1037-PU
MOOSE UTILITY
$24.95A primary clutch spring is critical to your CVT belt drive system's performance, directly affecting engagement feel, acceleration response, and overall drivability. The MOOSE UTILITY 58/135 spring...11400888- SKU:
- 11400888
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
MOOSE UTILITY Primary Clutch Spring - White - Rate 75/155 100-1038-PU
MOOSE UTILITY
$24.95A properly-tuned primary clutch spring is essential for consistent belt engagement, optimal power delivery, and predictable acceleration across varying RPM ranges. The MOOSE UTILITY Primary Clutch...11400889- SKU:
- 11400889
- Availability:
- Ships Same Business Day
- Weight:
- 9.20 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
MOOSE UTILITY Primary Clutch Spring - Blue/Yellow - Rate 33/67 100-1039-PU
MOOSE UTILITY
$24.95A properly tuned primary clutch spring is essential for maximizing belt engagement and maintaining consistent power transfer across your RPM range. The MOOSE UTILITY Primary Clutch Spring with its...11400890- SKU:
- 11400890
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
$24.95 -
MOOSE UTILITY Primary Clutch Spring - Red/Blue - Rate 42/220 100-1113-PU
MOOSE UTILITY
$24.95A primary clutch spring is the foundation of your CVT clutch system's engagement and power delivery. The right spring rate directly impacts your clutch's shift characteristics, engine responsiveness,...11400891- SKU:
- 11400891
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
MOOSE UTILITY Primary Clutch - Non-EBS - Polaris 100-4271-PU
MOOSE UTILITY
$314.95Your Polaris deserves a primary clutch engineered for durability and consistent performance, especially if you're pushing your machine in demanding conditions. The MOOSE UTILITY Primary Clutch...11400904- SKU:
- 11400904
- Availability:
- Ships Same Business Day
- Weight:
- 8.34 LBS
$314.95 -
On Sale
S&S CYCLE Adjustable Clutch Weight Kit - RZR Pro XP 560-0344
S&S CYCLE
MSRP: $299.95Now: $275.95Was: $299.95Clutch tuning directly impacts your RZR Pro XP's launch characteristics, belt longevity, and overall drivetrain efficiency—and factory settings rarely account for your specific terrain or driving...11400907- SKU:
- 11400907
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
MSRP: $299.95Now: $275.95Was: $299.95 -
On Sale
S&S CYCLE Adjustable Clutch Weight Kit - RZR XP Turbo 560-0345
S&S CYCLE
MSRP: $299.95Now: $275.95Was: $299.95Clutch tuning is critical for maximizing your RZR XP Turbo's performance across varying terrain and riding conditions. This S&S Cycle adjustable weight kit lets you dial in engagement and shift...11400908- SKU:
- 11400908
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
MSRP: $299.95Now: $275.95Was: $299.95 -
On Sale
S&S CYCLE Adjustable Clutch Weight Kit - RZR XP 1000 560-0346
S&S CYCLE
MSRP: $299.95Now: $275.95Was: $299.95Variable clutch engagement is critical for maximizing both performance and drivetrain longevity on your RZR XP 1000. This adjustable weight kit lets you dial in optimal clutching for your specific...11400909- SKU:
- 11400909
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
MSRP: $299.95Now: $275.95Was: $299.95 -
Dayco XTX Drive Belt for Polaris Sportsman 570 2014-2024 XTX2239
DAYCO PRODUCTS,LLC
$184.72A worn or undersized drive belt compromises your Sportsman 570's power delivery and throttle response—two critical factors whether you're tackling trails or pushing performance limits. The Dayco...11421088- SKU:
- 11421088
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$184.72 -
Dayco XTX Drive Belt for 2014-2015 Polaris Ranger 900 XP EPS 4x4 XTX2252
DAYCO PRODUCTS,LLC
$184.72OEM drive belts wear out under demanding conditions—especially when you're pushing your Ranger 900 XP past stock performance levels. The Dayco XTX belt handles sustained high-RPM operation and...11421089- SKU:
- 11421089
- Availability:
- Ships Same Business Day
- Weight:
- 1.23 LBS
$184.72 -
Dayco XTX Drive Belt for 2017 Polaris ACE 500 XTX2266
DAYCO PRODUCTS,LLC
$184.72The XTX Drive Belt is engineered for Polaris ACE 500 riders who demand reliability under sustained high-RPM operation. Factory belts wear unpredictably and degrade performance—this OEM-equivalent...11421093- SKU:
- 11421093
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
$184.72 -
Dayco XTX Drive Belt for 2020 Polaris Scrambler 850 XTX XTX2268
DAYCO PRODUCTS,LLC
$184.72The stock drive belt on your 2020 Polaris Scrambler 850 XTX is your power delivery system—and it's only as good as its weakest thread. The Dayco XTX Drive Belt replaces OEM rubber with...11421094- SKU:
- 11421094
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
$184.72
