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
-
MOOSE RACING Motor Gasket Kit with Seal - Honda 811943
MOOSE RACING
$135.08A complete engine and transmission rebuild demands precision gaskets and seals that won't compromise your work—MOOSE Racing's OEM-equivalent kit eliminates the guesswork and expense of sourcing...09342089- SKU:
- 09342089
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
$135.08 -
MOOSE RACING Motor Gasket Kit with Seal - Yamaha 811944
MOOSE RACING
$183.82A complete engine and transmission rebuild demands precision-fit gaskets and seals—compromising on quality here invites leaks, contamination, and catastrophic failures down the line. The MOOSE RACING...09342090- SKU:
- 09342090
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
$183.82 -
MOOSE RACING Clutch Cover Gasket 816244
MOOSE RACING
$16.90A leaking clutch cover gasket compromises engine sealing and invites oil contamination into your transmission. The MOOSE RACING Clutch Cover Gasket 816244 delivers OEM-quality sealing at a fraction...09342093- SKU:
- 09342093
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
$16.90 -
MOOSE RACING Clutch Cover Gasket 816678
MOOSE RACING
$13.42A leaking clutch cover gasket compromises engine sealing and can lead to oil loss and contamination—exactly why you need a precision replacement that holds up under racing conditions. The MOOSE...09342094- SKU:
- 09342094
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH COVER
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
$13.42 -
MOOSE RACING Top End Gasket Kit - Can-Am 810954
MOOSE RACING
$200.84A top-end rebuild demands precision components that won't compromise reliability or performance. The MOOSE RACING Gasket Kit gives you OEM-equivalent sealing at a fraction of the cost, with every...09343016- SKU:
- 09343016
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
$200.84Qty in Cart: 0Quantity:Price:$200.84Subtotal: -
MOOSE RACING Top End Gasket Kit - Can-Am 810956
MOOSE RACING
$177.89A top-end rebuild demands precision gaskets and seals that won't compromise engine integrity or cost you a fortune. The MOOSE RACING Top End Gasket Kit delivers OEM-quality components at a fraction...09343017- SKU:
- 09343017
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- TYPE:
- TOP END
$177.89 -
MOOSE RACING Motor Gasket Kit with Seal - Can-Am 811954
MOOSE RACING
$269.96A complete engine and transmission rebuild demands precision-fit gaskets and seals that won't compromise your work. MOOSE Racing delivers OEM-equivalent components at a fraction of OEM pricing, so...09343018- SKU:
- 09343018
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- TYPE:
- ENGINE
- UNITS:
- KIT
$269.96 -
MOOSE RACING Cylinder - Standard - Polaris MSE60002
MOOSE RACING
$588.95A worn or damaged cylinder compromises your engine's efficiency, power delivery, and reliability—especially under high-load racing conditions. The MOOSE RACING cylinder restores OEM performance while...09310630- SKU:
- 09310630
- Availability:
- Ships Same Business Day
- Weight:
- 7.86 LBS
- MATERIAL:
- CAST
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$588.95 -
MOOSE RACING Ring Set - For 96 mm Piston CPN2-3780
MOOSE RACING
$35.95A quality ring set is fundamental to engine longevity and performance—proper compression sealing directly impacts horsepower delivery, fuel efficiency, and bearing protection. The MOOSE RACING Ring...09120247- SKU:
- 09120247
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- RIDING STYLE:
- ATV
$35.95 -
MOOSE RACING Ring Set - For 97 mm Piston CPN2-3819
MOOSE RACING
$35.95A quality ring set is foundational to engine longevity and peak performance—worn or substandard rings compromise compression, increase blowby, and rob you of power at the most critical moment. The...09120254- SKU:
- 09120254
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- PISTON RING
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- ATV
- UNITS:
- SET
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
MOOSE RACING Ring Set - For 93 mm Piston CPN-3661
MOOSE RACING
$35.95Maintaining proper ring seal is critical to engine performance, compression, and longevity—especially in high-RPM racing applications where blow-by can quickly degrade power output and engine...09120373- SKU:
- 09120373
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$35.95 -
MOOSE RACING Connecting Rod MR5025
MOOSE RACING
$474.95Stock connecting rods impose limits on engine response and reliability at higher RPMs—this Moose Racing unit eliminates both constraints. Machined from a proprietary forging with chrome, nickel,...09230301- SKU:
- 09230301
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- STYLE:
- HIGH PERFORMANCE
- MATERIAL:
- PROPRIETARY ALLOY
- UNITS:
- EACH
- PRODUCT NAME:
- CONNECTING ROD
- RIDING STYLE:
- OFF-ROAD
$474.95Qty in Cart: 0Quantity:Price:$474.95Subtotal: -
MOOSE RACING Cylinder - Standard - Polaris MSECW60007
MOOSE RACING
$644.95When your OEM cylinder reaches the end of its service life, you need a direct replacement that meets factory specifications without compromise. The MOOSE RACING Cylinder delivers stock performance...09310965- SKU:
- 09310965
- Availability:
- Ships Same Business Day
- Weight:
- 7.25 LBS
- COLOR/FINISH:
- GRAY
- DISPLACEMENT:
- 1000 CC
- RIDING STYLE:
- ATV
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- BORE SIZE METRIC:
- STANDARD
- CYLINDER DIAMETER:
- 93,00 MM
- ENGINE TYPE:
- 4-CYCLE
- MATERIAL:
- CAST
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- UTV
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$644.95Qty in Cart: 0Quantity:Price:$644.95Subtotal: -
MOOSE RACING Cylinder - Standard MSE20004
MOOSE RACING
$500.95A worn or damaged cylinder directly compromises compression, power delivery, and engine reliability. The MOOSE RACING MSE20004 restores your engine to OEM specifications with a precision-machined...09310453- SKU:
- 09310453
- Availability:
- Ships Same Business Day
- Weight:
- 6.73 LBS
- MATERIAL:
- CAST
- PRODUCT NAME:
- CYLINDER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
$500.95 -
MOOSE RACING Ring Set - For 102 mm Piston CPN-4016
MOOSE RACING
$35.95A quality ring set is fundamental to engine reliability and power output—it seals combustion pressure, manages oil consumption, and directly impacts your engine's longevity. The MOOSE RACING Ring Set...09120581- SKU:
- 09120581
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- RIDING STYLE:
- UTV
$35.95 -
MOOSE RACING Motor Gasket Kit with Seal - Brute Force 811881
MOOSE RACING
$189.86A complete engine and transmission rebuild demands precision-fit gaskets and seals—compromising here risks oil leaks, compression loss, and catastrophic failure. The MOOSE RACING Motor Gasket Kit...09340428- SKU:
- 09340428
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- TYPE:
- COMPLETE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ATV
- TYPE:
- ENGINE
- RIDING STYLE:
- UTV
$189.86Qty in Cart: 0Quantity:Price:$189.86Subtotal: -
MOOSE RACING Water Pump Rebuild Kit 821875
MOOSE RACING
$55.90A failing water pump can sideline your engine when you can't afford the downtime. The MOOSE RACING Water Pump Rebuild Kit 821875 gives you everything needed to restore cooling system integrity...09344849- SKU:
- 09344849
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- UTV
$55.90 -
MOOSE RACING Water Pump Rebuild Kit 821879
MOOSE RACING
$64.62A failing water pump can sideline your engine faster than you'd expect—and rebuilding is far more cost-effective than replacement. This MOOSE RACING rebuild kit gives you every component needed to...09344850- SKU:
- 09344850
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- ATV
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- UTV
$64.62 -
MOOSE RACING Water Pump Rebuild Kit 821903
MOOSE RACING
$80.95A failing water pump can compromise your engine's cooling system and derail race day performance. This MOOSE RACING rebuild kit gives you everything needed to restore your water pump to OEM...09344851- SKU:
- 09344851
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- RIDING STYLE:
- ATV
$80.95 -
MOOSE RACING Water Pump Rebuild Kit 821920
MOOSE RACING
$54.72A failing water pump can leave you stranded and damage your engine beyond repair. This complete rebuild kit from MOOSE RACING gives you every seal, bearing, gasket, and component needed to restore...09344854- SKU:
- 09344854
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- REPAIR KIT
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- TYPE:
- WATER PUMP
$54.72