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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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 filtration directly impacts engine longevity and...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 through extended riding seasons. Using advanced...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 features that reduce break-in friction and extend service life...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 needs to handle sustained high-RPM abuse without...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 RPMs, and aggressive tuning without compromise. Built...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
$188.95Qty in Cart: 0Quantity:Price:$188.95Subtotal: -
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. Whether you're rebuilding after a season of racing or...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 needed to unlock real power gains while maintaining...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. The Wiseco 13:1 kit delivers a significant bump in...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
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston Honda CRF450R 2002-2008 Standard 4440M07400
WISECO
$194.95The Wiseco Piston for Honda CRF450R (2002-2008) is engineered to restore or upgrade your engine's compression and efficiency with a precision-fit replacement that handles both trail riding and competitive racing. High-silicon alloy construction delivers...4440M07400- SKU:
- 4440M07400
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 73.95 MM
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 57.30 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 74.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
Wiseco Piston Kit for 1987-1992 Honda TRX250X 75mm 12:1 Compression 4440M07500
WISECO
$194.95If you're rebuilding your TRX250X engine, you need a piston that can handle both aggressive trail riding and race-track demands without sacrificing reliability. The Wiseco 4440M07500 delivers the strength and precision required for high-compression...4440M07500- SKU:
- 4440M07500
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON DIAMETER METRIC:
- 74.95 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 75.00 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 57.30 MM
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
WSM Connecting Rod Kit 45-520
WSM
$85.28A connecting rod kit is essential for any bottom-end rebuild or high-performance engine build where factory components won't meet your power demands. The WSM 45-520 delivers complete rod assembly with precision-matched bearings and thrust washers,...45520- SKU:
- 45520
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- FEATURES:
- INCLUDES THRUST WASHERS
- MATERIAL:
- FORGED
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$85.28 -
WSM Ring Set 51-226-05
WSM
$37.18Piston ring sets are critical to engine performance—they seal combustion pressure, regulate oil consumption, and directly impact horsepower delivery and engine longevity. The WSM Ring Set 51-226-05 is engineered for precision fitment and consistent...09120484- SKU:
- 09120484
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- RIDING STYLE:
- ATV
$37.18Qty in Cart: 0Quantity:Price:$37.18Subtotal: -
WSM Ring Set 51-226-07
WSM
$37.18Piston ring sets are critical to engine sealing, compression, and oil control—directly impacting horsepower delivery and engine longevity. The WSM Ring Set 51-226-07 delivers OEM-quality construction with precise tolerances, ensuring reliable performance...09120486- SKU:
- 09120486
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
- UNITS:
- SET
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE:
- +1,00 MM
$37.18 -
WSM Ring Set 51-228-05
WSM
$37.18Proper ring seal is fundamental to engine performance and longevity—it directly impacts compression, blowby, oil consumption, and power output. The WSM Ring Set 51-228-05 delivers OEM-quality ring geometry and material composition to restore your engine...09120489- SKU:
- 09120489
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- +0.50 MM
- UNITS:
- SET
$37.18 -
WSM Ring Set 51-228-06
WSM
$34.72A quality ring set is fundamental to engine longevity and performance—poor ring sealing leads to blowby, oil consumption, and lost power. The WSM Ring Set 51-228-06 delivers precise fitment and reliable sealing to maintain compression and protect your...09120490- SKU:
- 09120490
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE - OVERSIZE METRIC:
- +0.75 MM
- UNITS:
- SET
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +0,75 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
$34.72 -
WSM Ring Set 51-228-07
WSM
$37.18Proper ring sealing is fundamental to engine performance and longevity. The WSM Ring Set 51-228-07 delivers the compression control and blow-by reduction your engine needs to maintain peak power delivery and oil stability across all RPM ranges. Whether...09120491- SKU:
- 09120491
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE - OVERSIZE:
- +1,00 MM
- UNITS:
- SET
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
$37.18 -
WSM Ring Set 51-229
WSM
$37.20Proper ring seal is critical to maintaining compression, controlling oil consumption, and maximizing power output in high-performance engines. The WSM Ring Set 51-229 delivers the precision fit and material quality required to keep your engine running at...09120492- SKU:
- 09120492
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
$37.20Qty in Cart: 0Quantity:Price:$37.20Subtotal: -
WSM Ring Set 51-540-04
WSM
$34.72Proper ring sealing is fundamental to engine performance, fuel efficiency, and longevity—and the WSM Ring Set 51-540-04 delivers the precision fit and material quality that separates reliable builds from problematic ones. Whether you're rebuilding after...09120518- SKU:
- 09120518
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +0,25 MM
- BORE - OVERSIZE METRIC:
- +0.25 MM
- UNITS:
- SET
$34.72 -
WSM Ring Set 51-540-05
WSM
$34.72Piston ring sets are critical to engine performance—they seal combustion pressure, regulate oil consumption, and directly impact horsepower delivery and fuel efficiency. The WSM Ring Set 51-540-05 is engineered to maintain consistent blow-by rates and...09120519- SKU:
- 09120519
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,50 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
$34.72 -
WSM Ring Set 51-310
WSM
$30.36Proper ring seal is fundamental to engine performance—without it, you're losing compression, burning oil, and sacrificing horsepower. The WSM Ring Set 51-310 delivers the precision fit and material quality needed for consistent combustion pressure and...09120522- SKU:
- 09120522
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- STANDARD
- UNITS:
- SET
$30.36Qty in Cart: 0Quantity:Price:$30.36Subtotal:
