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 RACING Connecting Rod MR8820
MOOSE RACING
$474.95A connecting rod is only as strong as its metallurgy and manufacturing precision—two areas where the MOOSE RACING MR8820 excels. Built in partnership with CP-Carrillo and machined from an oversized forging, this rod delivers the strength-to-weight ratio...09230303- SKU:
- 09230303
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MATERIAL:
- PROPRIETARY ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CONNECTING ROD
- STYLE:
- HIGH PERFORMANCE
$474.95 -
MOOSE RACING Connecting Rod MR5496
MOOSE RACING
$474.95If you're building or rebuilding an engine that demands reliability under extreme conditions, the MOOSE RACING Connecting Rod MR5496 delivers the strength and precision required to handle high RPMs and forced induction without compromise. Engineered by...09230310- SKU:
- 09230310
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- RIDING STYLE:
- ATV
- MATERIAL:
- PROPRIETARY ALLOY
- UNITS:
- EACH
- PRODUCT NAME:
- CONNECTING ROD
- STYLE:
- HIGH PERFORMANCE
$474.95 -
MOOSE RACING Motor Gasket Kit with Seal - TRX400EX 811829
MOOSE RACING
$100.84A complete engine and transmission rebuild demands precision-fit gaskets and seals—OEM quality without the OEM price tag. This Moose Racing kit eliminates guesswork by including every gasket and seal needed for a full rebuild, letting you work with...M811829- SKU:
- M811829
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- TYPE:
- ENGINE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ATV
- TYPE:
- COMPLETE
$100.84 -
MOOSE RACING Water Pump Rebuild Kit 821865
MOOSE RACING
$54.49A failing water pump can sideline your engine faster than a blown head gasket—and rebuilding is far more cost-effective than replacement. This MOOSE RACING rebuild kit supplies every seal, bearing, and gasket your water pump needs to restore full cooling...09344846- SKU:
- 09344846
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REPAIR KIT
- UNITS:
- KIT
- TYPE:
- WATER PUMP
$54.49 -
MOOSE RACING Water Pump Rebuild Kit 821868
MOOSE RACING
$66.00A failing water pump creates cascading engine damage that's costly and time-consuming to repair. This MOOSE RACING rebuild kit supplies every critical component needed to restore your water pump to OEM specifications without the expense of a full...09344847- SKU:
- 09344847
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- UNITS:
- KIT
$66.00Qty in Cart: 0Quantity:Price:$66.00Subtotal: -
MOOSE RACING Water Pump Rebuild Kit 821869
MOOSE RACING
$42.11A failing water pump can strand you mid-season or worse—cause catastrophic engine damage on the track. This comprehensive MOOSE RACING rebuild kit gives you every gasket, seal, bearing, and O-ring needed to restore your water pump to OEM specifications...09344848- SKU:
- 09344848
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- ATV
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$42.11 -
MOOSE RACING Water Pump Rebuild Kit 821962
MOOSE RACING
$99.93A failing water pump compromises your engine's thermal management and can lead to catastrophic overheating—especially under racing conditions or sustained high-performance driving. The MOOSE RACING Water Pump Rebuild Kit 821962 gives you a complete,...09344863- SKU:
- 09344863
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- UNITS:
- KIT
$99.93Qty in Cart: 0Quantity:Price:$99.93Subtotal: -
MOOSE RACING Top End Gasket Kit - Polaris 810970
MOOSE RACING
$83.03A top-end rebuild demands precision—gaskets and seals that won't compromise compression, durability, or cost. The MOOSE RACING Top End Gasket Kit delivers OEM-quality components at a fraction of the price, giving you the confidence to rebuild your engine...09344833- SKU:
- 09344833
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- UTV
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$83.03 -
MOOSE RACING Complete Motor Gasket Kit - Polaris 808907
MOOSE RACING
$146.32A complete engine and transmission rebuild demands gaskets and seals that won't compromise your work. The MOOSE RACING Complete Motor Gasket Kit eliminates the frustration of sourcing individual components separately, delivering every gasket, o-ring, and...09341011- SKU:
- 09341011
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
$146.32 -
MOOSE RACING Top End Gasket Kit - Kawasaki 810920
MOOSE RACING
$87.60A top-end rebuild demands gasket and seal integrity—any compromise risks oil leaks, combustion blow-by, and catastrophic engine failure. The MOOSE RACING Top End Gasket Kit delivers OEM-quality seals at a fraction of the cost, with every component...09341432- SKU:
- 09341432
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- TOP END
$87.60 -
MOOSE RACING Motor Gasket Kit with Seal - Can-Am 811956
MOOSE RACING
$269.96A complete engine and transmission rebuild demands precision-fit gaskets and seals—and OEM replacements typically drain your budget. The MOOSE RACING Motor Gasket Kit eliminates that compromise, delivering genuine OEM-quality seals at a fraction of...09343019- SKU:
- 09343019
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- COMPLETE
- RIDING STYLE:
- ATV
- TYPE:
- ENGINE
$269.96 -
MOOSE RACING Top End Gasket Kit - Yamaha 810923
MOOSE RACING
$121.04A top-end rebuild demands precision—and OEM gasket kits come with OEM pricing. The MOOSE RACING Top End Gasket Kit delivers comprehensive coverage at a fraction of the cost, using high-tech materials engineered for reliability and accurate fitment across...09341704- SKU:
- 09341704
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ATV
$121.04 -
MOOSE RACING Top End Gasket Kit - Yamaha 810924
MOOSE RACING
$65.73When you're rebuilding a top end, you need gaskets and seals that won't let you down—and you shouldn't have to pay OEM prices for reliability. The MOOSE RACING Top End Gasket Kit delivers OEM-quality seals at a fraction of the cost, with every component...09341705- SKU:
- 09341705
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
$65.73 -
MOOSE RACING Motor Gasket Kit with Seal - Yamaha 811923
MOOSE RACING
$164.45A complete engine and transmission rebuild demands precision gaskets and seals that won't compromise your performance or reliability. The MOOSE RACING Motor Gasket Kit delivers OEM-quality sealing components at a fraction of OEM pricing, letting you...09341706- SKU:
- 09341706
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- ENGINE
- TYPE:
- COMPLETE
- UNITS:
- KIT
- RIDING STYLE:
- ATV
$164.45Qty in Cart: 0Quantity:Price:$164.45Subtotal: -
MOOSE RACING Top End Gasket Kit - KTM 810921
MOOSE RACING
$99.32A top-end rebuild demands precision-fitted gaskets and seals that won't compromise engine integrity under load. The MOOSE RACING Top End Gasket Kit delivers OEM-quality components at a fraction of the cost, giving you the confidence to reassemble your...09341433- SKU:
- 09341433
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$99.32 -
MOOSE RACING Motor Gasket Kit with Seal - KTM 811921
MOOSE RACING
$175.51A complete engine and transmission rebuild demands precision gaskets and seals that won't compromise your work or your budget. MOOSE Racing's comprehensive gasket kit delivers OEM-quality sealing components at a fraction of factory prices, so you can...09341436- SKU:
- 09341436
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$175.51Qty in Cart: 0Quantity:Price:$175.51Subtotal: -
MOOSE RACING Water Pump Rebuild Kit 821814
MOOSE RACING
$63.92A water pump failure can sideline your build and compromise engine cooling integrity when you need reliability most. This MOOSE RACING rebuild kit supplies every internal component necessary to restore your water pump to OEM specifications without...09344843- SKU:
- 09344843
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- RIDING STYLE:
- ATV
$63.92 -
MOOSE RACING Water Pump Rebuild Kit 821847
MOOSE RACING
$104.94A worn water pump can silently undermine your engine's cooling efficiency, leading to overheating and catastrophic damage during high-performance driving. This MOOSE RACING rebuild kit equips you with every critical component—bearings, seals, gaskets,...09344844- SKU:
- 09344844
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
$104.94Qty in Cart: 0Quantity:Price:$104.94Subtotal: -
MOOSE RACING Top End Gasket - TRX90 810842
MOOSE RACING
$29.14When you're rebuilding a TRX90 top end, you need gaskets and seals that won't compromise your engine's integrity or your wallet. The MOOSE RACING Top End Gasket Set delivers OEM-quality seals at a fraction of dealership pricing, letting you complete a...09340085- SKU:
- 09340085
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$29.14 -
MOOSE RACING Top End Gasket - F160 Quadrunner 810848
MOOSE RACING
$40.93A quality top-end rebuild starts with the right gaskets and seals—and OEM replacements often come with OEM pricing. The MOOSE RACING Top End Gasket Set delivers genuine OEM-equivalent seals and high-tech materials at a fraction of the cost, giving you...09340086- SKU:
- 09340086
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- TYPE:
- TOP END
$40.93Qty in Cart: 0Quantity:Price:$40.93Subtotal:
