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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On Sale
Wossner Piston Kit 95.50mm 11.7:1 Compression Suzuki LT-R450 2006-2009 8667DA
WOSSNER
MSRP: $204.00Now: $193.80Was: $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...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
MSRP: $204.00Now: $193.80Was: $204.00Qty in Cart: 0Quantity:Price:MSRP: $204.00Now: $193.80Was: $204.00Subtotal: -
HOT RODS Top End Bearing WB116
HOT RODS
$23.05A 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...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
$23.05 -
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...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
$78.95Qty in Cart: 0Quantity:Price:$78.95Subtotal: -
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...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
$945.95Qty in Cart: 0Quantity:Price:$945.95Subtotal: -
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...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...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...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...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...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...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...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...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...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...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...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...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 -
Hot Cams Cam Chain for Yamaha YFM660F Grizzly 4x4 2002-2008 YXR66F Rhino 660 2004-2007 HC92RH2010126
HOT CAMS
$41.95A worn or stock cam chain can introduce unwanted noise, timing inconsistencies, and premature wear on your YFM660F Grizzly or YXR66F Rhino's valvetrain. The HOT CAMS HC92RH2010126 replaces that weak...09250863- SKU:
- 09250863
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- BASE FINISH:
- RAW
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CHAIN
- CHAIN SIZE:
- 92RH2010
- MODEL:
- SILENT
- TYPE:
- CAM
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$41.95 -
Hot Cams Stage 2 Camshaft for Yamaha Raptor 700R 2009-2025 4132-2
HOT CAMS
$321.95The Hot Cams Stage 2 Camshaft unlocks peak horsepower across your Raptor 700R's entire powerband, delivering the top-end performance gains you need to dominate on the track. By pairing aggressive...09250507- SKU:
- 09250507
- Availability:
- Ships Same Business Day
- Weight:
- 1.49 LBS
- PRODUCT NAME:
- CAMSHAFT
- INTAKE DURATION IMPERIAL:
- 260°
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 243°
- INTAKE LIFT METRIC:
- 10.30 MM
- RIDING STYLE:
- ATV
- APPLICATION:
- EXHAUST
- EXHAUST LIFT METRIC:
- 8.60 MM
- TYPE:
- STAGE 2
- UNITS:
- EACH
$321.95Qty in Cart: 0Quantity:Price:$321.95Subtotal: -
Wiseco 65.25mm Piston Ring Set for Yamaha YFZ350 Banshee 1987-2006 2569CD
WISECO
$52.95If you're running a YFZ350 Banshee at the edge of its limits, factory piston rings won't cut it—you need a ring set engineered to handle sustained combustion pressures and high RPMs without...2569CD- SKU:
- 2569CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- DISPLACEMENT:
- 361 CC
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 65.25 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- UNITS:
- SET
$52.95Qty in Cart: 0Quantity:Price:$52.95Subtotal: -
Wiseco Ring Set 64.75mm Yamaha YFZ350 Banshee 1987-2006 2549CD
WISECO
$49.95Whether you're rebuilding a stock YFZ350 or pushing your Banshee to the limit, ring seal quality directly impacts compression, oil control, and overall engine longevity. Wiseco's 2549CD ring set is...2549CD- SKU:
- 2549CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 64.75 MM
- DISPLACEMENT:
- 355 CC
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- UNITS:
- SET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal:
