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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COMETIC Oil Seal Kit - Yamaha C7908OS
COMETIC
$36.95Oil leaks compromise engine performance and can lead to catastrophic damage if left unaddressed. The COMETIC Oil Seal Kit for Yamaha engines delivers OEM-grade sealing with precision manufacturing, eliminating common leak points that plague aging...09351301- SKU:
- 09351301
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$36.95 -
COMETIC Clutch/Ignition Gasket Kit - Yamaha C7908CM
COMETIC
$25.95Factory gaskets deteriorate with heat cycles and age, leading to oil seepage and potential engine damage if left unaddressed. The COMETIC Clutch/Ignition Gasket Kit delivers OEM-equivalent sealing performance with superior material composition, ensuring...09347875- SKU:
- 09347875
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$25.95 -
Hot Cams Stage 3 Camshaft for Yamaha YFM660R Raptor 2001-2005 4050-3
HOT CAMS
$377.95If you're serious about extracting maximum performance from your YFM660R Raptor, a quality camshaft upgrade is one of the most effective modifications you can make. The Hot Cams Stage 3 delivers measurable power gains and sharper throttle response...09251589- SKU:
- 09251589
- Availability:
- Ships Same Business Day
- Weight:
- 1.37 LBS
$377.95 -
Hot Cams Shim Conversion Kit for Polaris ACE 570 2016-2019 HC00135
HOT CAMS
$190.95If you're running a Polaris ACE 570 and want to maximize valve train performance, this shim conversion kit is essential for both stock and upgraded builds. The DLC coating delivers superior durability under sustained high-RPM operation, while the design...09263456- SKU:
- 09263456
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$190.95 -
Hot Cams Stage 2 Camshaft Single Cam Yamaha YFM700FG Grizzly 2007-2013 4128-2
HOT CAMS
$156.95If you're running a Grizzly 700 and want measurable gains in throttle response and mid-to-top-end power without rebuilding your entire valvetrain, the Hot Cams Stage 2 is a straightforward bolt-in solution. This 8620 billet steel camshaft is...09251590- SKU:
- 09251590
- Availability:
- Ships Same Business Day
- Weight:
- 1.48 LBS
$156.95Qty in Cart: 0Quantity:Price:$156.95Subtotal: -
Hot Cams Stage 1 Camshaft Yamaha YFM700R Raptor 2009-2024 4131-1
HOT CAMS
$156.95If you're running a YFM700R Raptor and want measurable performance gains without extensive engine modifications, the Hot Cams Stage 1 Camshaft is your answer. This CNC-machined upgrade delivers a documented 5%-10% power increase while sharpening throttle...09251591- SKU:
- 09251591
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$156.95 -
Hot Cams Camshaft Chain Roller Kit for Polaris Sportsman 500 2000 HC00042
HOT CAMS
$95.95The stock camshaft chain on your Polaris Sportsman 500 is a wear item—and once it stretches or fails, you're looking at catastrophic engine damage. Hot Cams' roller chain kit replaces it with a precision-engineered component that resists heat buildup,...09251592- SKU:
- 09251592
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
$95.95 -
Hot Cams Camshaft Chain Silent Kit for Polaris ACE 500 2017-2019 HC00115
HOT CAMS
$67.95Premature chain wear and noise in your Polaris ACE 500 doesn't just signal maintenance problems—it indicates power loss and potential catastrophic failure. The Hot Cams Silent Camshaft Chain Kit eliminates slack, reduces noise, and restores the precise...09251598- SKU:
- 09251598
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
$67.95 -
Hot Cams Camshaft Chain Roller Kit for Polaris Scrambler 1000 2016-2018 HC00116
HOT CAMS
$62.95Your Polaris Scrambler 1000's camshaft chain is critical to maintaining precise valve timing and engine reliability—especially if you're pushing performance or putting serious miles on your machine. Over time, factory chains wear, stretch, and accumulate...09251599- SKU:
- 09251599
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$62.95 -
Hot Cams Camshaft Chain Roller Kit for Suzuki LT-F250F QuadRunner 4X4 1999-2002 and Yamaha TW200 1987-2020 HCDID25SH104
HOT CAMS
$57.95Camshaft chain wear is a silent killer of engine reliability, particularly in high-demand riding conditions where heat and friction take their toll. This Hot Cams roller kit restores precise valve timing and eliminates slack that degrades performance and...09251605- SKU:
- 09251605
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$57.95 -
MOOSE RACING Inner Clutch Cover Guard - Can-Am Q32-8001
MOOSE RACING
$99.95A broken clutch belt can strand you mid-ride or cause costly secondary damage to your engine bay. This inner clutch cover guard absorbs impact force from belt failure, protecting your Can-Am's internal components from debris and further harm...09402213- SKU:
- 09402213
- Availability:
- Ships Same Business Day
- Weight:
- 5.86 LBS
$99.95 -
MOOSE UTILITY Clutch Cover Gasket Seal 100-3001-PU
MOOSE UTILITY
$17.95A worn or damaged clutch cover gasket seal compromises your engine's integrity, leading to oil leaks, contamination, and potential drivetrain failure. The MOOSE UTILITY Clutch Cover Gasket Seal 100-3001-PU delivers a reliable, OEM-quality replacement...09351188- SKU:
- 09351188
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- RIDING STYLE:
- UTV
- APPLICATION:
- CLUTCH COVER
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$17.95 -
WINDEROSA Standard Bore Gasket Kit 810585
WINDEROSA
$58.62When your cylinder is worn or damaged, you need a direct replacement that restores OEM performance without the downtime of custom machine work. The WINDEROSA Standard Bore Gasket Kit delivers a complete bolt-on cylinder assembly with matched...09341940- SKU:
- 09341940
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- STANDARD
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- MATERIAL:
- NICKEL SILICON CARBIDE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$58.62 -
WINDEROSA Standard Bore Gasket Kit 810868
WINDEROSA
$85.13When your cylinder shows signs of wear or you're rebuilding after hard use, a proper big-bore kit ensures you get back to peak performance without the downtime of custom machining. The WINDEROSA 810868 is a complete, bolt-on solution that pairs a Nickel...09341941- SKU:
- 09341941
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- MATERIAL:
- NICKEL SILICON CARBIDE
- STYLE:
- STANDARD
$85.13 -
WINDEROSA Standard Bore Gasket Kit 810881
WINDEROSA
$129.67When your engine takes a beating, a worn or damaged cylinder compromises compression, power delivery, and overall reliability. The WINDEROSA Standard Bore Gasket Kit 810881 delivers a complete, ready-to-install solution that restores your engine to...09343136- SKU:
- 09343136
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- MATERIAL:
- NICKEL SILICON CARBIDE
- STYLE:
- STANDARD
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
$129.67 -
WINDEROSA Standard Bore Gasket Kit 810969
WINDEROSA
$98.17Engine wear compromises both performance and reliability—and a worn cylinder is often the culprit behind loss of compression, increased blow-by, and reduced power output. The WINDEROSA Standard Bore Gasket Kit 810969 restores your engine to factory...09344059- SKU:
- 09344059
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- MATERIAL:
- NICKEL SILICON CARBIDE
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- STYLE:
- STANDARD
$98.17 -
WINDEROSA Standard Bore Gasket Kit 810970
WINDEROSA
$84.95When your engine demands a reliable refresh without the downtime of machine work, a complete cylinder kit eliminates guesswork and ensures matched components that work together from day one. The Winderosa Standard Bore Gasket Kit delivers OEM-quality...09344756- SKU:
- 09344756
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- MATERIAL:
- NICKEL SILICON CARBIDE
- RIDING STYLE:
- UTV
- STYLE:
- STANDARD
- PRODUCT NAME:
- GASKET KIT
$84.95 -
WORKS CONNECTION Engine Timing Plug 24-590
WORKS CONNECTION
$49.95Stock engine timing plugs are prone to corrosion and wear, compromising both aesthetics and reliability. The WORKS CONNECTION 24-590 replaces them with precision-machined aluminum components that resist degradation while delivering a professional...09500261- SKU:
- 09500261
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- ENGINE
- UNITS:
- SET
- MATERIAL:
- 6061 T-6 ALUMINUM
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- PLUG
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$49.95 -
MOOSE RACING Ring Set - For 94 mm Piston CPN2-3701
MOOSE RACING
$35.95A properly matched ring set is critical for maintaining compression, controlling blow-by, and maximizing power output in high-performance applications. The MOOSE RACING Ring Set for 94 mm pistons delivers precision-engineered sealing with the durability...09120246- SKU:
- 09120246
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PISTON SIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- RIDING STYLE:
- ATV
$35.95 -
MOOSE RACING Connecting Rod MR5026
MOOSE RACING
$474.95If you're building a high-performance engine that demands reliability under extreme conditions, the MOOSE RACING Connecting Rod MR5026 is engineered to deliver. Developed in partnership with CP-Carrillo, this rod combines precision manufacturing with...09230302- SKU:
- 09230302
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MATERIAL:
- PROPRIETARY ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- STYLE:
- HIGH PERFORMANCE
- PRODUCT NAME:
- CONNECTING ROD
$474.95Qty in Cart: 0Quantity:Price:$474.95Subtotal:
