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
-
HOT RODS Crank Bearings K075
HOT RODS
$122.95Proper crank bearing installation is foundational to engine reliability and longevity. Using OEM-quality bearing kits ensures correct tolerances, reduces friction losses, and protects your crankshaft...09240280- SKU:
- 09240280
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- UTV
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$122.95 -
HOT RODS Crank Bearings K087
HOT RODS
$184.95A crankshaft is only as reliable as its bearing surfaces. The HOT RODS K087 Crank Bearings deliver precision-engineered main bearing and seal kits that eliminate play, reduce friction, and ensure...09240393- SKU:
- 09240393
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- UNITS:
- KIT
- RIDING STYLE:
- UTV
$184.95 -
HOT RODS Crankshaft Kit CBK0166
HOT RODS
$974.35If you're building a high-performance engine or restoring a classic, the HOT RODS Crankshaft Kit CBK0166 delivers factory-matched precision without compromise. This complete assembly arrives ready...09210424- SKU:
- 09210424
- Availability:
- Ships Same Business Day
- Weight:
- 13.35 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- ATV
- TYPE:
- STROKER
$974.35 -
HOT RODS Crankshaft Kit CBK0115
HOT RODS
$874.95If you're building a high-performance engine or need to replace a worn crankshaft, the HOT RODS CBK0115 Crankshaft Kit delivers factory-spec reliability without compromise. This complete assembly...09210425- SKU:
- 09210425
- Availability:
- Ships Same Business Day
- Weight:
- 22.45 LBS
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- ATV
- TYPE:
- OEM
- UNITS:
- KIT
$874.95 -
HOT RODS Crankshaft Kit CBK0123
HOT RODS
$1,192.95Whether you're building a high-displacement stroker engine or replacing a worn crankshaft, the HOT RODS Crankshaft Kit CBK0123 delivers factory-matched precision with the durability demanded by...09210426- SKU:
- 09210426
- Availability:
- Ships Same Business Day
- Weight:
- 24.91 LBS
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- TYPE:
- OEM
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- ATV
$1,192.95 -
HOT RODS Crankshaft Kit CBK0151
HOT RODS
$980.95If you're building a high-performance engine that demands reliability under extreme conditions, the HOT RODS Crankshaft Kit CBK0151 delivers factory-matched precision with the durability to exceed...09210427- SKU:
- 09210427
- Availability:
- Ships Same Business Day
- Weight:
- 21.05 LBS
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- STROKER
$980.95 -
HOT RODS Crankshaft 4091
HOT RODS
$984.85If you're building a long-stroke engine for your ATV, you need a crankshaft engineered to handle increased displacement without compromise. The HOT RODS Crankshaft 4091 arrives factory-assembled,...09210153- SKU:
- 09210153
- Availability:
- Ships Same Business Day
- Weight:
- 21.47 LBS
- MODEL:
- 4-CYCLE
- DISPLACEMENT:
- 800 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 75.60 MM
- TYPE:
- OEM STROKE
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
$984.85 -
HOT RODS Crankshaft Assembly 4060
HOT RODS
$502.95If you're building a long-stroke engine for your ATV, the HOT RODS Crankshaft Assembly 4060 eliminates the guesswork and machine work typically required for displacement upgrades. This...09210029- SKU:
- 09210029
- Availability:
- Ships Same Business Day
- Weight:
- 10.61 LBS
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 64.80 MM
- DISPLACEMENT:
- 450 CC
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
$502.95Qty in Cart: 0Quantity:Price:$502.95Subtotal: -
HOT RODS Crankshaft Assembly - Stroker 4105
HOT RODS
$439.95If you're serious about maximizing displacement and low-end torque on your ATV, a stroker crankshaft is one of the most effective upgrades available. The HOT RODS Stroker 4105 gives you a complete,...09210010- SKU:
- 09210010
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 209 CC
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH:
- 61,00 MM
- STROKE LENGTH METRIC:
- 61.00 MM
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- TYPE:
- STROKER
$439.95Qty in Cart: 0Quantity:Price:$439.95Subtotal: -
HOT RODS Crankshaft Assembly 4040
HOT RODS
$556.95If you're serious about maximizing displacement and power in your sport ATV, a long-stroke crankshaft assembly is one of the most direct paths to measurable gains in torque and horsepower. The HOT...09210018- SKU:
- 09210018
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 400 CC
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
$556.95Qty in Cart: 0Quantity:Price:$556.95Subtotal: -
HOT RODS Crankshaft 4076
HOT RODS
$654.10If you're building a high-performance long-stroke engine for your ATV, the HOT RODS Crankshaft 4076 delivers the durability and precision you need without the machine work and custom fabrication...09210119- SKU:
- 09210119
- Availability:
- Ships Same Business Day
- Weight:
- 9.92 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 62.80 MM
- COLOR/FINISH:
- STEEL
- FEATURES:
- STANDARD CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- MODEL:
- 4-CYCLE
- UNITS:
- ASSEMBLY
- DISPLACEMENT:
- 450 CC
- TYPE:
- OEM STROKE
$654.10 -
COMETIC Gasket Set - 103 mm - Yamaha C3142-EST
COMETIC
$154.95A quality gasket set is foundational to engine reliability and performance—especially when you're building or rebuilding a high-output 4-stroke. The COMETIC C3142-EST Gasket Set delivers the sealing...09340883- SKU:
- 09340883
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE SIZE METRIC:
- 103.00 MM
- TYPE:
- TOP END
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
COMETIC Gasket Set - 105.5 mm - Yamaha C3144-EST
COMETIC
$154.95Top-end gasket failure can cost you races and engine rebuilds. The COMETIC C3144-EST uses multi-layered steel construction with Viton rubber coating to handle today's high-compression, turbocharged...09340885- SKU:
- 09340885
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TYPE:
- TOP END
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE SIZE METRIC:
- 105.50 MM
- PRODUCT NAME:
- GASKET KIT
$154.95 -
COMETIC Gasket Set - 68 mm - Yamaha C7093-EST
COMETIC
$50.95A quality gasket set is the foundation of engine reliability—especially when you're running high boost pressures or pushing naturally aspirated power limits. The COMETIC C7093-EST delivers the seal...09340888- SKU:
- 09340888
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 68.00 MM
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
$50.95 -
COMETIC Top End Gasket Set - Yamaha C7044-EST
COMETIC
$154.95A 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...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
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
COMETIC Clutch Gasket - Honda C7712
COMETIC
$22.95A 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...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
$22.95 -
COMETIC Clutch Gasket - Suzuki C7719
COMETIC
$26.95A 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...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'
$26.95 -
Hot Cams Stage 2 Camshaft for Yamaha YFM 350 Raptor 2004-2006 4049-2
HOT CAMS
$389.50Experience 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...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
$389.50Qty in Cart: 0Quantity:Price:$389.50Subtotal: -
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
