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 Top End Gasket Set - Yamaha C7044-EST
COMETIC
$109.95A quality top-end gasket set is your foundation for reliable engine sealing—especially critical when running high boost pressures or aggressive naturally aspirated builds. The COMETIC C7044-EST uses multi-layered steel construction with Viton rubber...09344224- SKU:
- 09344224
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 100.00 MM
- UNITS:
- KIT
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
COMETIC Clutch Gasket - Honda C7712
COMETIC
$16.95A worn or failing clutch cover gasket will compromise your engine's seal integrity and lead to costly leaks and downtime. The COMETIC C7712 eliminates guesswork with its proven AFM material—a chemically bonded nitrile-aluminum composite that resists...09344321- SKU:
- 09344321
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET
- THICKNESS IMPERIAL:
- 0,020'
- TYPE:
- CLUTCH COVER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$16.95Qty in Cart: 0Quantity:Price:$16.95Subtotal: -
COMETIC Clutch Gasket - Suzuki C7719
COMETIC
$18.95A quality clutch gasket is critical to maintaining a reliable seal in your engine case—premature weeping or gasket creep can lead to oil leaks and costly engine damage. The COMETIC C7719 eliminates these issues with its AFM composite construction, which...09344322- SKU:
- 09344322
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH COVER
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
- MODEL:
- HI-PERFORMANCE
- THICKNESS IMPERIAL:
- 0,020'
$18.95 -
Hot Cams Stage 2 Camshaft for Yamaha YFM 350 Raptor 2004-2006 4049-2
HOT CAMS
$370.95Experience unparalleled performance with the HOT CAMS Camshaft 4049-2, engineered for high-performance racing applications. These drop-in camshafts are designed to work seamlessly with stock valve springs, offering an ideal balance of torque and...09250090- SKU:
- 09250090
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- INTAKE DURATION IMPERIAL:
- 262°
- INTAKE LIFT METRIC:
- 10.00 MM
- PRODUCT NAME:
- CAMSHAFT
- EXHAUST DURATION IMPERIAL:
- 254°
- EXHAUST LIFT METRIC:
- 10.00 MM
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- TYPE:
- STAGE 2
$370.95 -
Wossner Piston Kit 95.50mm 11.7:1 Compression Suzuki LT-R450 2006-2009 8667DA
WOSSNER
$204.00When you're pushing your Suzuki LT-R450 to its limits, stock pistons become your bottleneck. The Wossner 8667DA delivers the strength and precision needed to handle aggressive riding and higher compression loads without sacrificing reliability. This...09104966- SKU:
- 09104966
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 95.45 MM
- BORE SIZE METRIC:
- 95.50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$204.00 -
HOT RODS Top End Bearing WB116
HOT RODS
$21.95A quality top-end bearing is critical to rod longevity and engine reliability—especially under high RPM and load conditions where piston pin friction becomes a wear vector. The HOT RODS WB116 delivers needle-cage bearing precision at the piston end,...09240579- SKU:
- 09240579
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ATV
- TYPE:
- WRIST PIN
- UNITS:
- EACH
- APPLICATION:
- CONNECTING ROD
$21.95 -
HOT RODS Crank Bearings K239
HOT RODS
$78.95A quality crankshaft is only as reliable as the bearings supporting it. The HOT RODS Crank Bearings K239 deliver precision engineering and tight tolerances that protect your crank under extreme loads and sustained RPM, whether you're running a naturally...09240043- SKU:
- 09240043
- Availability:
- Ships Same Business Day
- Weight:
- 1.63 LBS
- UNITS:
- SET
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- RIDING STYLE:
- ATV
- APPLICATION:
- MAIN CRANKSHAFT
$78.95 -
HOT RODS Crankshaft Kit 4423-1
HOT RODS
$945.95If you're building a long-stroke ATV engine, the HOT RODS Crankshaft Kit 4423-1 eliminates the guesswork and machine work typically required for displacement increases. This kit pairs purpose-built pistons with a precision crankshaft to deliver reliable...09210543- SKU:
- 09210543
- Availability:
- Ships Same Business Day
- Weight:
- 18.00 LBS
- TYPE:
- OEM STROKE
- MATERIAL:
- 4140 STEEL
- PRODUCT NAME:
- CRANKSHAFT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- STEEL
- STROKE LENGTH METRIC:
- 64.40 MM
$945.95 -
HOT RODS Crankshaft Kit 4424
HOT RODS
$1,325.95If you're building a long-stroke engine for your ATV, a quality crankshaft is non-negotiable—it's the foundation of reliable power delivery and longevity under load. The HOT RODS Crankshaft Kit 4424 arrives factory-assembled and trued to OEM...09210544- SKU:
- 09210544
- Availability:
- Ships Same Business Day
- Weight:
- 24.55 LBS
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 4-CYCLE
- STROKE LENGTH METRIC:
- 73.50 MM
- TYPE:
- OEM STROKE
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- DISPLACEMENT:
- 1000 CC
- RIDING STYLE:
- ATV
$1,325.95 -
HOT RODS Crankshaft Kit 4424-1
HOT RODS
$1,071.95If you're rebuilding a Yamaha Banshee engine or replacing a worn crankshaft, the HOT RODS 4424-1 eliminates the guesswork of sourcing individual components. This factory-assembled kit arrives complete with proven connecting rods, top-end bearings, and...09210545- SKU:
- 09210545
- Availability:
- Ships Same Business Day
- Weight:
- 21.55 LBS
- PRODUCT NAME:
- CRANKSHAFT
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 73.50 MM
- TYPE:
- OEM STROKE
- MATERIAL:
- 4140 STEEL
- COLOR/FINISH:
- STEEL
- UNITS:
- EACH
$1,071.95 -
HOT RODS Crankshaft 4078
HOT RODS
$619.95If you're serious about extracting maximum displacement and horsepower from your ATV, a long-stroke crankshaft is one of the most effective bolt-on upgrades available. The HOT RODS Crankshaft 4078 arrives factory-assembled, trued, and ready to...09210121- SKU:
- 09210121
- Availability:
- Ships Same Business Day
- Weight:
- 16.33 LBS
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- DISPLACEMENT:
- 700 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 84.00 MM
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- ASSEMBLY
$619.95 -
HOT RODS Crankshaft 4079
HOT RODS
$716.95If you're building a long-stroke engine for your ATV, you need a crankshaft that's engineered to handle increased displacement and stress without sacrificing reliability. The HOT RODS Crankshaft 4079 arrives factory-assembled, trued to OEM...09210122- SKU:
- 09210122
- Availability:
- Ships Same Business Day
- Weight:
- 17.31 LBS
- MODEL:
- 4-CYCLE
- RIDING STYLE:
- UTV
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 700 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 84.00 MM
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
$716.95 -
HOT RODS Crankshaft 4080
HOT RODS
$741.95If you're building a long-stroke engine for your ATV, you need a crankshaft engineered specifically for that application—and the HOT RODS 4080 delivers exactly that. This complete assembly arrives factory-trued to OEM specs and ready to install,...09210123- SKU:
- 09210123
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- UTV
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 660 CC
- MODEL:
- 4-CYCLE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
$741.95 -
HOT RODS Crankshaft - Stroker 4178
HOT RODS
$673.95If you're serious about maximizing displacement and torque in your ATV, a stroker crankshaft is one of the most effective bolt-on upgrades available. The HOT RODS 4178 delivers factory-proven reliability with the added benefit of increased stroke length,...09210124- SKU:
- 09210124
- Availability:
- Ships Same Business Day
- Weight:
- 16.10 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 89.00 MM
- MODEL:
- 4-CYCLE
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 89,00 MM
- DISPLACEMENT:
- 727 CC
- TYPE:
- STROKER
- COLOR/FINISH:
- STEEL
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
$673.95Qty in Cart: 0Quantity:Price:$673.95Subtotal: -
HOT RODS Crankshaft - Stroker 4179
HOT RODS
$664.95If you're serious about maximizing displacement and low-end torque on your ATV, a stroker crankshaft is one of the most effective bolt-on upgrades available. The HOT RODS Stroker 4179 delivers factory-assembled reliability without the machine work...09210125- SKU:
- 09210125
- Availability:
- Ships Same Business Day
- Weight:
- 17.13 LBS
- DISPLACEMENT:
- 727 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
- COLOR/FINISH:
- STEEL
- STROKE LENGTH METRIC:
- 89.00 MM
- TYPE:
- STROKER
- MATERIAL:
- 4140 STEEL
- MODEL:
- 4-CYCLE
- STROKE LENGTH:
- 89,00 MM
- UNITS:
- ASSEMBLY
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- RIDING STYLE:
- UTV
$664.95Qty in Cart: 0Quantity:Price:$664.95Subtotal: -
Hot Cams Stage 2 Intake Camshaft for 2014 Polaris RZR XP 1000 5276-2IN
HOT CAMS
$378.95If you're running a 2014 Polaris RZR XP 1000 and want measurable gains in throttle response and mid-to-top-end power, the Hot Cams Stage 2 intake camshaft delivers real performance without requiring valve spring upgrades. This drop-in design works...09250857- SKU:
- 09250857
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- INTAKE LIFT METRIC:
- 10.45 MM
- RIDING STYLE:
- UTV
- INTAKE DURATION IMPERIAL:
- 234.7°
- PRODUCT NAME:
- CAMSHAFT
$378.95 -
Hot Cams Exhaust Camshaft for 2014 Polaris RZR XP 1000 5277-2E
HOT CAMS
$403.95If you're running a 2014 Polaris RZR XP 1000 and want measurable gains in mid-range torque and peak horsepower, the Hot Cams Exhaust Camshaft 5277-2E is built to deliver. Hot Cams' Improved Throttle Response (ITR) design sharpens throttle control and...09250858- SKU:
- 09250858
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
- APPLICATION:
- EXHAUST
- TYPE:
- STAGE 2
- RIDING STYLE:
- UTV
- EXHAUST DURATION IMPERIAL:
- 230.4°
- EXHAUST LIFT METRIC:
- 10.18 MM
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
$403.95 -
Hot Cams Cam Chain for Honda TRX300 FourTrax 1988-2000 TRX300EX Sportrax 1993-2008 TRX250X 1987-1992 HC82RH2010110
HOT CAMS
$93.95Your Honda's cam chain is working overtime every time you ride. The OEM chain wears down under sustained RPMs, leading to slack, timing issues, and eventual failure. The Hot Cams HC82RH2010110 replaces that worn component with a heat-treated silent chain...09250859- SKU:
- 09250859
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN
- BASE FINISH:
- RAW
- CHAIN SIZE:
- 82RH2010
- COLOR/FINISH:
- RAW
- TYPE:
- CAM
- MODEL:
- SILENT
$93.95 -
Hot Cams Cam Chain for Honda TRX500FA FourTrax Foreman Rubicon 2001-2014 HC92RH2010104
HOT CAMS
$54.95A worn or failing cam chain compromises valve timing precision, leading to performance loss and potential engine damage. The HOT CAMS HC92RH2010104 replaces OEM chains with heat-treated links that withstand high-RPM stress while maintaining silent...09250861- SKU:
- 09250861
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MODEL:
- SILENT
- PRODUCT NAME:
- CHAIN
- BASE FINISH:
- RAW
- CHAIN SIZE:
- 92RH2010
- TYPE:
- CAM
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
Hot Cams Cam Chain for Honda MUV700 Big Red 2009-2013 HC92RH2010110
HOT CAMS
$54.95A worn or failing cam chain compromises valve timing precision, directly impacting engine performance, fuel efficiency, and reliability. The HOT CAMS HC92RH2010110 is engineered to exceed OEM specifications with heat-treated links that reduce friction...09250862- SKU:
- 09250862
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MODEL:
- SILENT
- RIDING STYLE:
- UTV
- BASE FINISH:
- RAW
- CHAIN SIZE:
- 92RH2010
- TYPE:
- CAM
- PRODUCT NAME:
- CHAIN
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$54.95
