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ATV/UTV Engine

ATV/UTV Engine

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

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 UTILITY Oneway Clutch Bearing - Yamaha 11-913

    MOOSE UTILITY Oneway Clutch Bearing - Yamaha 11-913

    MOOSE UTILITY

    $75.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $75.95
    Subtotal:
  • MOOSE UTILITY Oneway Clutch Bearing 11-932

    MOOSE UTILITY Oneway Clutch Bearing 11-932

    MOOSE UTILITY

    $90.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $90.95
    Subtotal:
  • MOOSE UTILITY Oneway Clutch Bearing 11-934

    MOOSE UTILITY Oneway Clutch Bearing 11-934

    MOOSE UTILITY

    $106.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $106.95
    Subtotal:
  • MOOSE UTILITY Oneway Clutch Bearing 11-935

    MOOSE UTILITY Oneway Clutch Bearing 11-935

    MOOSE UTILITY

    $102.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $102.95
    Subtotal:
  • On Sale
    EPI Clutch Cover Gasket WE590001

    EPI Clutch Cover Gasket WE590001

    EPI

    MSRP: $21.99
    Now: $19.79
    Was: $21.99
    A 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: $21.99
    Now: $19.79
    Was: $21.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $21.99
    Now: $19.79
    Was: $21.99
    Subtotal:
  • On Sale
    EPI Clutch Cover Gasket WE590002

    EPI Clutch Cover Gasket WE590002

    EPI

    MSRP: $21.99
    Now: $19.79
    Was: $21.99
    A 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: $21.99
    Now: $19.79
    Was: $21.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $21.99
    Now: $19.79
    Was: $21.99
    Subtotal:
  • Twin Air Oil Filter for Yamaha 1976-2018 Models 140010

    Twin Air Oil Filter for Yamaha 1976-2018 Models 140010

    TWIN AIR

    $11.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  •  MOOSE OFFROAD Clutch Cover Gasket Seal - Polaris 100-4077-PU  MOOSE OFFROAD Clutch Cover Gasket Seal - Polaris 100-4077-PU

    MOOSE OFFROAD Clutch Cover Gasket Seal - Polaris 100-4077-PU

    MOOSE OFFROAD

    $19.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  •  MOOSE OFFROAD Differential Seal Kit - Kawasaki - Front 25-2120-5

    MOOSE OFFROAD Differential Seal Kit - Kawasaki - Front 25-2120-5

    MOOSE OFFROAD

    $42.95
    Differential 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
    Qty in Cart: 0
    Quantity:
    Price:
    $42.95
    Subtotal:
  • CYLINDER WORKS Cylinder Works High Compression Cylinder Kit 85.00 mm Kawasaki Teryx 2012-2013 CW30013K04HC CYLINDER WORKS Cylinder Works High Compression Cylinder Kit 85.00 mm Kawasaki Teryx 2012-2013 CW30013K04HC

    Cylinder Works High Compression Cylinder Kit 85.00 mm Kawasaki Teryx 2012-2013 CW30013K04HC

    CYLINDER WORKS

    $1,171.95
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $1,171.95
    Subtotal:
  • CYLINDER WORKS Cylinder Works Standard Bore Cylinder Kit 93mm 9:1 Compression 2017 Polaris RZR XP Turbo CW60008K02

    Cylinder Works Standard Bore Cylinder Kit 93mm 9:1 Compression 2017 Polaris RZR XP Turbo CW60008K02

    CYLINDER WORKS

    $1,003.95
    When 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
    Qty in Cart: 0
    Quantity:
    Price:
    $1,003.95
    Subtotal:
  • CYLINDER WORKS Cylinder Works 93mm Cylinder for 2016-2023 Polaris RZR XP Turbo CW60008 CYLINDER WORKS Cylinder Works 93mm Cylinder for 2016-2023 Polaris RZR XP Turbo CW60008

    Cylinder Works 93mm Cylinder for 2016-2023 Polaris RZR XP Turbo CW60008

    CYLINDER WORKS

    $608.95
    Factory 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
    Qty in Cart: 0
    Quantity:
    Price:
    $608.95
    Subtotal:
  • CYLINDER WORKS Cylinder Works Standard Bore Cylinder Kit 93mm Bore 9:1 Compression Polaris RZR Turbo S 2021 CW60008K03 CYLINDER WORKS Cylinder Works Standard Bore Cylinder Kit 93mm Bore 9:1 Compression Polaris RZR Turbo S 2021 CW60008K03

    Cylinder Works Standard Bore Cylinder Kit 93mm Bore 9:1 Compression Polaris RZR Turbo S 2021 CW60008K03

    CYLINDER WORKS

    $1,008.95
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $1,008.95
    Subtotal:
  • On Sale
    WOSSNER Wossner Piston Kit 91.95 mm Honda Talon 1000R 2019-2022 K8973DA-2

    Wossner Piston Kit 91.95 mm Honda Talon 1000R 2019-2022 K8973DA-2

    WOSSNER

    MSRP: $428.00
    Now: $406.60
    Was: $428.00
    If 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: $428.00
    Now: $406.60
    Was: $428.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $428.00
    Now: $406.60
    Was: $428.00
    Subtotal:
  •  MOOSE UTILITY Clutch Cover - Inner - Can-Am 500-5114-PU

    MOOSE UTILITY Clutch Cover - Inner - Can-Am 500-5114-PU

    MOOSE UTILITY

    $129.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $129.95
    Subtotal:
  •  MOOSE UTILITY Clutch Cover - Outer - Can-Am 500-5131-PU  MOOSE UTILITY Clutch Cover - Outer - Can-Am 500-5131-PU

    MOOSE UTILITY Clutch Cover - Outer - Can-Am 500-5131-PU

    MOOSE UTILITY

    $172.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $172.95
    Subtotal:
  • MOOSE RACING Transaxle Seal Kit - Polaris 25-2114-5

    MOOSE RACING Transaxle Seal Kit - Polaris 25-2114-5

    MOOSE RACING

    $70.95
    Oil 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
    Qty in Cart: 0
    Quantity:
    Price:
    $70.95
    Subtotal:
  • MOOSE RACING Differential Seal Kit - Honda - Rear 25-2138-5

    MOOSE RACING Differential Seal Kit - Honda - Rear 25-2138-5

    MOOSE RACING

    $22.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE UTILITY Clutch Cover Gasket Seal 100-3014-PU

    MOOSE UTILITY Clutch Cover Gasket Seal 100-3014-PU

    MOOSE UTILITY

    $17.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $17.95
    Subtotal:
  • MOOSE UTILITY Clutch Cover Gasket Seal 500-1265-PU

    MOOSE UTILITY Clutch Cover Gasket Seal 500-1265-PU

    MOOSE UTILITY

    $24.95
    A 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
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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