ATV/UTV Engine
ATV/UTV Engine Parts at JJ Motorsports
Maximize your ATV or UTV's engine life with top-quality components from JJ Motorsports. Our selection includes gasket kits, connecting rods, water pump rebuild kits, and timing plugs designed for reliable sealing, strength, and easy installation in demanding off-road conditions. Compatible with Polaris, Can-Am, Honda, and more, these parts ensure peak power, reduced wear, and efficient operation for trail riding or utility work.
Shop trusted brands like Moose Racing for rebuild kits and Winderosa for gaskets. Explore related categories such as ATV/UTV air and fuel for intake upgrades or ATV/UTV drivetrain for transmission enhancements.
Top ATV/UTV Engine Products
- MOOSE UTILITY Clutch Cover Gasket Seal 500-1265-PU – Durable seal for clutch cover protection.
- WINDEROSA Standard Bore Gasket Kit 810585 – Complete kit for engine sealing and rebuilds.
- WORKS CONNECTION Engine Timing Plug 24-590 – Precision plug for accurate timing adjustments.
- MOOSE RACING Connecting Rod MR5026 – High-strength rod for engine durability.
- MOOSE RACING Water Pump Rebuild Kit 821865 – Comprehensive kit for water pump maintenance.
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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MOOSE UTILITY Oneway Clutch Bearing - Yamaha 11-913
MOOSE UTILITY
$75.95A one-way clutch bearing is critical to your Yamaha's drivetrain reliability—it prevents backspinning and ensures smooth power delivery under load. This OEM replacement from MOOSE Utility restores...09240426- SKU:
- 09240426
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- APPLICATION:
- CLUTCH
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$75.95 -
MOOSE UTILITY Oneway Clutch Bearing 11-932
MOOSE UTILITY
$90.95A worn or failing one-way clutch bearing compromises your drivetrain's ability to engage and disengage smoothly, leading to slippage, noise, and potential damage to connected components. The MOOSE...09240581- SKU:
- 09240581
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- BEARING
- APPLICATION:
- STARTER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$90.95 -
MOOSE UTILITY Oneway Clutch Bearing 11-934
MOOSE UTILITY
$106.95A worn or failing one-way clutch bearing will compromise your drivetrain's efficiency and create costly power loss during acceleration and load transfer. The MOOSE UTILITY 11-934 is an OEM-grade...09240583- SKU:
- 09240583
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- APPLICATION:
- STARTER
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$106.95 -
MOOSE UTILITY Oneway Clutch Bearing 11-935
MOOSE UTILITY
$102.95A worn or failing one-way clutch bearing will compromise power delivery and create unpredictable drivetrain behavior—especially critical in high-load racing applications. The MOOSE UTILITY 11-935...09240584- SKU:
- 09240584
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- BEARING
- APPLICATION:
- STARTER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$102.95Qty in Cart: 0Quantity:Price:$102.95Subtotal: -
On Sale
EPI Clutch Cover Gasket WE590001
EPI
MSRP: $21.99Now: $19.79Was: $21.99A failing clutch cover gasket compromises your engine's seal integrity and can lead to oil seepage, contamination, and accelerated wear on critical drivetrain components. The EPI Clutch Cover Gasket...09343437- SKU:
- 09343437
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH COVER
MSRP: $21.99Now: $19.79Was: $21.99 -
On Sale
EPI Clutch Cover Gasket WE590002
EPI
MSRP: $21.99Now: $19.79Was: $21.99A leaking clutch cover gasket compromises your entire drivetrain's integrity, allowing fluid loss that degrades performance and risks catastrophic clutch failure. The EPI WE590002 delivers...09343438- SKU:
- 09343438
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- UTV
- TYPE:
- CLUTCH COVER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
MSRP: $21.99Now: $19.79Was: $21.99 -
Twin Air Oil Filter for Yamaha 1976-2018 Models 140010
TWIN AIR
$11.95A quality oil filter is non-negotiable for engine longevity—it's your first line of defense against abrasive particles that compromise bearing clearances and ring seal integrity. The Twin Air 140010...140010- SKU:
- 140010
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- STANDARD
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
$11.95 -
MOOSE OFFROAD Clutch Cover Gasket Seal - Polaris 100-4077-PU
MOOSE OFFROAD
$19.95A failed clutch cover gasket seal compromises your Polaris's reliability and invites oil seepage that accelerates wear on internal components. This OE-quality replacement restores a proper seal,...09351190- SKU:
- 09351190
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$19.95Qty in Cart: 0Quantity:Price:$19.95Subtotal: -
MOOSE OFFROAD Differential Seal Kit - Kawasaki - Front 25-2120-5
MOOSE OFFROAD
$42.95Differential seal failure compromises drivetrain integrity and invites contamination that accelerates bearing wear. This complete seal kit restores proper sealing surfaces and eliminates fluid...09351206- SKU:
- 09351206
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$42.95 -
Cylinder Works High Compression Cylinder Kit 85.00 mm Kawasaki Teryx 2012-2013 CW30013K04HC
CYLINDER WORKS
$1,171.95If you're running a 2012-2013 Kawasaki Teryx and want measurable gains in power output without the expense and downtime of a full engine rebuild, this High Compression Cylinder Kit delivers. The...09311090- SKU:
- 09311090
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$1,171.95 -
Cylinder Works Standard Bore Cylinder Kit 93mm 9:1 Compression 2017 Polaris RZR XP Turbo CW60008K02
CYLINDER WORKS
$1,003.95When your RZR XP Turbo's engine is pushing limits, a worn cylinder and piston kit becomes a bottleneck to reliability and peak performance. This Cylinder Works Standard Bore kit restores your engine...09311122- SKU:
- 09311122
- Availability:
- Ships Same Business Day
- Weight:
- 10.45 LBS
$1,003.95Qty in Cart: 0Quantity:Price:$1,003.95Subtotal: -
Cylinder Works 93mm Cylinder for 2016-2023 Polaris RZR XP Turbo CW60008
CYLINDER WORKS
$608.95Factory cylinders wear down from aggressive riding and heat cycles—especially in turbocharged applications like the RZR XP Turbo. This 93mm Cylinder Works replacement restores your engine's...09311120- SKU:
- 09311120
- Availability:
- Ships Same Business Day
- Weight:
- 7.44 LBS
$608.95 -
Cylinder Works Standard Bore Cylinder Kit 93mm Bore 9:1 Compression Polaris RZR Turbo S 2021 CW60008K03
CYLINDER WORKS
$1,008.95If you're running a Polaris RZR Turbo S, factory cylinder wear will eventually cost you horsepower and throttle response. This Cylinder Works Standard Bore kit restores your engine to peak...09311123- SKU:
- 09311123
- Availability:
- Ships Same Business Day
- Weight:
- 10.50 LBS
$1,008.95 -
On Sale
Wossner Piston Kit 91.95 mm Honda Talon 1000R 2019-2022 K8973DA-2
WOSSNER
MSRP: $428.00Now: $406.60Was: $428.00If you're running your Honda Talon 1000R at the limit, factory pistons won't cut it. The Wossner K8973DA-2 is engineered for the demands of serious off-road and racing applications, delivering the...09106649- SKU:
- 09106649
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $428.00Now: $406.60Was: $428.00 -
MOOSE UTILITY Clutch Cover - Inner - Can-Am 500-5114-PU
MOOSE UTILITY
$129.95A worn or damaged clutch cover compromises heat dissipation and exposes internal components to contamination, leading to premature clutch failure. This MOOSE UTILITY inner clutch cover is engineered...09402126- SKU:
- 09402126
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
$129.95Qty in Cart: 0Quantity:Price:$129.95Subtotal: -
MOOSE UTILITY Clutch Cover - Outer - Can-Am 500-5131-PU
MOOSE UTILITY
$172.95A worn or damaged clutch cover compromises engine protection and can lead to costly internal damage if debris enters the system. The MOOSE UTILITY Clutch Cover is a direct OEM-quality replacement...09402127- SKU:
- 09402127
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
$172.95 -
MOOSE RACING Transaxle Seal Kit - Polaris 25-2114-5
MOOSE RACING
$70.95Oil seeps from your Polaris transaxle don't just cost you fluid—they signal worn seals that, left unaddressed, can lead to inadequate lubrication and catastrophic drivetrain failure. This MOOSE...09351287- SKU:
- 09351287
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$70.95 -
MOOSE RACING Differential Seal Kit - Honda - Rear 25-2138-5
MOOSE RACING
$22.95A leaking differential is a reliability killer that compromises gear protection and can lead to catastrophic drivetrain failure. This complete seal kit from MOOSE Racing gives you everything needed...09351291- SKU:
- 09351291
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$22.95 -
MOOSE UTILITY Clutch Cover Gasket Seal 100-3014-PU
MOOSE UTILITY
$17.95A worn or damaged clutch cover gasket seal is a common source of oil seepage that compromises engine cleanliness and can lead to costly internal damage. The MOOSE UTILITY Clutch Cover Gasket Seal...09351189- SKU:
- 09351189
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- UTV
- APPLICATION:
- CLUTCH COVER
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
$17.95Qty in Cart: 0Quantity:Price:$17.95Subtotal: -
MOOSE UTILITY Clutch Cover Gasket Seal 500-1265-PU
MOOSE UTILITY
$24.95A failed clutch cover gasket seal means oil leakage, compromised engine performance, and potential damage to critical drivetrain components. The MOOSE UTILITY Clutch Cover Gasket Seal 500-1265-PU...09351194- SKU:
- 09351194
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- UTV
- APPLICATION:
- CLUTCH COVER
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
$24.95