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
-
PARTS UNLIMITED Oil Filter - Yamaha 5DM-13440-00
PARTS UNLIMITED
$13.21Consistent oil filtration is critical for engine longevity and performance—particularly in high-demand applications where contamination can accelerate wear and reduce efficiency. The PARTS UNLIMITED...010067- SKU:
- 010067
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- COLOR/FINISH:
- BLACK
- BASE COLOR:
- BLACK
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- SPIN-ON
- UNITS:
- EACH
$13.21 -
FRAM Oil Filter PH4967
FRAM
$15.91A quality oil filter is fundamental to engine longevity—it's your first line of defense against wear-inducing contaminants that accumulate between oil changes. The FRAM PH4967 delivers reliable...PH4967- SKU:
- PH4967
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- BASE COLOR:
- ORANGE
- FILTER MEDIA MATERIAL:
- CELLULOSE AND GLASS BLEND
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- SPIN-ON
$15.91Qty in Cart: 0Quantity:Price:$15.91Subtotal: -
K & N Oil Filter KN-116
K & N
$11.99If you're running synthetic or synthetic-blend oils in a high-performance application, a standard oil filter won't cut it. The K&N KN-116 is engineered specifically for racing oils, delivering...07120037- SKU:
- 07120037
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- BASE COLOR:
- RED
- BASE FINISH:
- NATURAL
- LENGTH METRIC:
- 35 MM
- STYLE:
- STANDARD
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- OIL FILTER
- COLOR/FINISH:
- RED
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
$11.99 -
K & N Oil Filter KN-198
K & N
$17.99Synthetic racing oils demand a filter engineered to match their higher flow rates and chemical demands—the K&N KN-198 is purpose-built for exactly that. With uniform pleated synthetic media and...07120122- SKU:
- 07120122
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- BASE COLOR:
- BLACK
- BASE FINISH:
- COATED
- STYLE:
- PREMIUM
- FEATURES:
- INCLUDES NUT
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- UTV
- LENGTH METRIC:
- 96 MM
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- TYPE:
- SPIN-ON
$17.99 -
MOOSE RACING Oil Seal Set - Polaris 822188
MOOSE RACING
$57.82Engine seal degradation is one of the most common causes of oil leakage and contamination in high-performance applications. The MOOSE RACING Oil Seal Set eliminates guesswork by providing a complete,...09351103- SKU:
- 09351103
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- ATV
- APPLICATION:
- ENGINE
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
$57.82Qty in Cart: 0Quantity:Price:$57.82Subtotal: -
HOT RODS Crankshaft 4259
HOT RODS
$694.00If you're serious about maximizing displacement and power output on your ATV without extensive machine work, the HOT RODS Crankshaft 4259 delivers a proven long-stroke solution. This purpose-built...09210211- SKU:
- 09210211
- Availability:
- Ships Same Business Day
- Weight:
- 9.70 LBS
- MODEL:
- 4-CYCLE
- TYPE:
- STROKER
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 424 CC
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 66.60 MM
- STROKE LENGTH METRIC:
- 66.60 MM
$694.00 -
HOT RODS Crankshaft Assembly 4043
HOT RODS
$654.10If you're building a high-performance long-stroke engine for your ATV, the HOT RODS Crankshaft Assembly 4043 delivers the durability and precision engineering that separates reliable builds from...09210006- SKU:
- 09210006
- Availability:
- Ships Same Business Day
- Weight:
- 10.60 LBS
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 350 CC
- RIDING STYLE:
- ATV
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 64.50 MM
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MODEL:
- 4-CYCLE
- TYPE:
- OEM STROKE
$654.10 -
HOT RODS Crankshaft Assembly - Stroker 4107
HOT RODS
$592.15If you're building a high-displacement ATV engine or need a crankshaft assembly that's been proven in demanding conditions, the HOT RODS Stroker 4107 delivers the durability and performance you need...09210008- SKU:
- 09210008
- Availability:
- Ships Same Business Day
- Weight:
- 8.30 LBS
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 260 CC
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 76.00 MM
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- STROKE LENGTH:
- 76,00 MM
- TYPE:
- STROKER
$592.15 -
COMETIC Bottom End Gasket Set - Yamaha C3338
COMETIC
$99.95A complete bottom end gasket kit is essential when rebuilding your engine—using OEM-engineered seals and gaskets ensures proper oil containment, prevents coolant leaks, and maintains critical...09344148- SKU:
- 09344148
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- TYPE:
- BOTTOM END
- UNITS:
- KIT
$99.95 -
COMETIC Bottom End Gasket Set - Yamaha C3339
COMETIC
$69.95A complete bottom end gasket set is essential when rebuilding your engine—using OEM-equivalent seals and gaskets ensures proper compression, prevents oil leakage, and maintains coolant integrity...09344149- SKU:
- 09344149
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- TYPE:
- BOTTOM END
- UNITS:
- KIT
$69.95 -
COMETIC Bottom End Gasket Set - Yamaha C3419
COMETIC
$77.95A proper bottom end gasket set is non-negotiable when you're doing serious engine work—it's the difference between a rebuild that holds and one that weeps oil or coolant. COMETIC's C3419 kit gives...09344159- SKU:
- 09344159
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- BOTTOM END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$77.95 -
COMETIC Top End Gasket Set - Polaris C3446-EST
COMETIC
$105.95A quality top-end gasket set is non-negotiable for any engine rebuild or high-output build—poor sealing directly costs you power and reliability. The COMETIC C3446-EST uses multi-layered steel...09344166- SKU:
- 09344166
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- GASKET KIT
- THICKNESS IMPERIAL:
- 0,014'
- THICKNESS METRIC:
- 0.46 MM
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 93.50 MM
- TYPE:
- TOP END
- THICKNESS IMPERIAL:
- 0,018'
- THICKNESS METRIC:
- 0.36 MM
- UNITS:
- KIT
$105.95Qty in Cart: 0Quantity:Price:$105.95Subtotal: -
Hiflofiltro Oil Filter Arctic Cat 700 Wildcat 2015-2018 HF621
HIFLOFILTRO
$9.53Keep your Arctic Cat 700 Wildcat running at peak efficiency with the Hiflofiltro HF621 oil filter, engineered to trap contaminants and maintain oil purity across demanding riding conditions. Proper...07120116- SKU:
- 07120116
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SPIN-ON
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BASE COLOR:
- BLACK
- STYLE:
- PREMIUM
- LENGTH METRIC:
- 85 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIDTH METRIC:
- 65 MM
$9.53 -
Hiflofiltro HF197 Oil Filter for Polaris Phoenix 200 2005-2021
HIFLOFILTRO
$9.24The Hiflofiltro HF197 is a direct-fit replacement oil filter engineered specifically for the Polaris Phoenix 200, delivering the filtration efficiency your engine needs to maintain peak performance...07120117- SKU:
- 07120117
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- ATV
- COLOR/FINISH:
- BLACK
- FEATURES:
- INCLUDES NUT
- WIDTH METRIC:
- 52 MM
- BASE COLOR:
- BLACK
- LENGTH METRIC:
- 70 MM
- STYLE:
- PREMIUM
- UNITS:
- EACH
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- SPIN-ON
$9.24 -
VERTEX Piston Kit 23908B
VERTEX
$230.95A piston kit is the foundation of engine reliability and power delivery—especially under high RPM and boost conditions. The VERTEX 23908B delivers precision-engineered pistons with durability...09103382- SKU:
- 09103382
- Availability:
- Ships Same Business Day
- Weight:
- 0.89 LBS
$230.95 -
Wiseco Piston Kit with Gasket for Yamaha YFM660F Grizzly 4x4 2002-2008 PK1437
WISECO
$349.95If you're running a Yamaha YFM660F Grizzly and pushing hard on the track or trail, your stock pistons won't cut it. Wiseco's forged piston kit delivers the strength and thermal stability your engine...09030627- SKU:
- 09030627
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 101.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
- DISPLACEMENT:
- 660 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- UTV
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- PISTON DIAMETER METRIC:
- 100.92 MM
- SKIRT COATING:
- ARMORGLIDE®
$349.95Qty in Cart: 0Quantity:Price:$349.95Subtotal: -
Wiseco Piston 2.00 mm Oversize Yamaha Banshee 350 1987-2006 795M06600
WISECO
$188.95When you're pushing your Banshee 350 to the limit, stock pistons become your weakness. The Wiseco 2.00 mm oversize piston delivers the strength and precision needed to handle increased boost, higher...795M06600- SKU:
- 795M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 66.35 MM
- DISPLACEMENT:
- 370 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 54,00 MM
$188.95 -
Wiseco Piston Kit for Yamaha YFZ350 Banshee 1987-2006 65.25mm PK145
WISECO
$404.95A worn or damaged top-end severely limits your YFZ350's power delivery and reliability—this Wiseco kit restores full performance with factory-matched components engineered for 2-stroke demands...09030636- SKU:
- 09030636
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- BORE SIZE METRIC:
- 66.25 MM
- DISPLACEMENT:
- 361 CC
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.00 MM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,25 MM
- BORE - OVERSIZE METRIC:
- +1.25 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 65.17 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- TYPE:
- TOP END
- UNITS:
- KIT
$404.95Qty in Cart: 0Quantity:Price:$404.95Subtotal: -
Wiseco Piston Kit Yamaha YFM125R Raptor 2011-2013 11:1 40068M05450
WISECO
$169.95The stock piston in your Yamaha YFM125R Raptor won't cut it if you're pushing harder on the trail or at the track. Wiseco's high-silicon alloy piston kit delivers the durability and compression ratio...09104156- SKU:
- 09104156
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 126 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +0,50 MM
- PISTON DIAMETER METRIC:
- 54.45 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 54.00 MM
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
Wiseco Yamaha YFM125R Raptor 2011-2013 13:1 Piston Kit 40071M05400
WISECO
$199.95If you're running a Yamaha YFM125R Raptor and want measurable power gains without compromising reliability, a high-compression piston upgrade is one of the most direct bolt-on improvements available...09104158- SKU:
- 09104158
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- PISTON DIAMETER METRIC:
- 53.95 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 54.00 MM
$199.95
