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!
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- Qty in Cart
- Quantity
- Price
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QUAD LOGIC Engine Drain Plug 500-1253-PU
QUAD LOGIC
$24.95Metal debris circulating through your engine oil is a silent killer—it accelerates wear on critical components and reduces engine longevity. The QUAD LOGIC Engine Drain Plug 500-1253-PU uses a magnet 10 times stronger than OEM units to capture ferrous...09200229- SKU:
- 09200229
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$24.95 -
QUAD LOGIC Engine Drain Plug 500-1255-PU
QUAD LOGIC
$24.95Metal debris circulating through your engine oil is a silent threat to bearing longevity and overall engine health—catching ferrous particles before they cause damage is critical maintenance. The QUAD LOGIC Engine Drain Plug 500-1255-PU replaces your...09200230- SKU:
- 09200230
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
QUAD LOGIC Engine Drain Plug 500-1263-PU
QUAD LOGIC
$24.95Ferrous particles suspended in engine oil accelerate wear on critical components—a quality drain plug with superior magnetic capture is non-negotiable for extended engine life. The QUAD LOGIC 500-1263-PU uses a magnet 10 times stronger than OEM designs,...09200231- SKU:
- 09200231
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$24.95 -
Cylinder Works Standard Bore Cylinder Kit 85mm Kawasaki KRT750 Teryx4 2012-2013 CW30013K03
CYLINDER WORKS
$549.95If you're running a Kawasaki KRT750 Teryx4 and want reliable power without a complete engine rebuild, this Cylinder Works standard bore kit delivers bolt-on simplicity and OEM-level durability. The Nickel Silicon Carbide plating resists wear from...09311087- SKU:
- 09311087
- Availability:
- Ships Same Business Day
- Weight:
- 5.26 LBS
$549.95 -
Cylinder Works High Compression Cylinder Kit 85mm Kawasaki KRT750 Teryx4 2012 CW30013K03HC
CYLINDER WORKS
$549.95If you're running a Kawasaki KRT750 Teryx4 and want measurable gains in power output and throttle response, a high-compression cylinder kit is one of the most cost-effective upgrades available. This kit delivers a genuine compression bump that translates...09311088- SKU:
- 09311088
- Availability:
- Ships Same Business Day
- Weight:
- 5.26 LBS
$549.95 -
Cylinder Works Standard Bore Cylinder Kit 85mm Kawasaki KRT750 Teryx4 2012-2013 CW30013K04
CYLINDER WORKS
$1,182.95Your Kawasaki KRT750 Teryx4's engine performance depends on precision-engineered components that can handle demanding conditions without compromise. This Cylinder Works Standard Bore Kit delivers a complete, ready-to-install solution that restores or...09311089- SKU:
- 09311089
- Availability:
- Ships Same Business Day
- Weight:
- 10.01 LBS
$1,182.95Qty in Cart: 0Quantity:Price:$1,182.95Subtotal: -
Cylinder Works Standard Bore Cylinder Kit Kawasaki KRF750 Teryx 2008-2013 30007-K03HC
CYLINDER WORKS
$539.95When your stock cylinder shows wear, performance suffers and engine noise increases—a standard bore replacement restores OEM specifications without the downtime of machine work. This Cylinder Works kit pairs a nickel silicon carbide-plated cylinder with...09311091- SKU:
- 09311091
- Availability:
- Ships Same Business Day
- Weight:
- 5.16 LBS
$539.95 -
Cylinder Works High Compression Cylinder Kit 85mm Kawasaki Teryx4 2012-2013 CW30014K03HC
CYLINDER WORKS
$657.95If you're running a Kawasaki Teryx4 and want measurable power gains without sacrificing reliability, a high-compression top-end swap is one of the most cost-effective upgrades available. This Cylinder Works kit delivers a bolt-on solution that increases...09311092- SKU:
- 09311092
- Availability:
- Ships Same Business Day
- Weight:
- 5.16 LBS
$657.95 -
MOOSE RACING Piston Kit - 96.00 mm - Honda MP2053
MOOSE RACING
$326.95When you're serious about extracting reliable power from your Honda engine, factory pistons become a limiting factor. The MOOSE Racing MP2053 piston kit delivers the strength and precision engineering needed to handle elevated boost, higher RPM, and...09106489- SKU:
- 09106489
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$326.95 -
MOOSE RACING Piston Kit - 95.00 mm - Yamaha MP1001
MOOSE RACING
$326.95If you're running your Yamaha engine hard, stock pistons won't cut it. This MOOSE RACING piston kit is engineered to handle sustained high RPM loads while delivering measurable gains in durability and power output. The forged X-style construction and...09106490- SKU:
- 09106490
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$326.95 -
MOOSE RACING Piston Kit - 95.50 mm - Suzuki MPX4015A
MOOSE RACING
$386.95If you're pushing your Suzuki engine to its limits, stock pistons won't cut it. The MOOSE RACING Piston Kit delivers the strength, durability, and precision engineering needed to handle extreme combustion pressures while reducing friction and heat...09106492- SKU:
- 09106492
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$386.95 -
MOOSE RACING Piston Kit - 104.00 mm - Suzuki MP4051A
MOOSE RACING
$326.95A quality piston kit is fundamental to engine longevity and power delivery, especially in high-stress racing applications. MOOSE Racing's X-style forged pistons are engineered to handle extreme combustion pressures while maintaining reliability over...09106493- SKU:
- 09106493
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
$326.95 -
MOOSE RACING Piston Kit - 102.00 mm - Suzuki MP4013A
MOOSE RACING
$326.95Stock pistons can't withstand sustained high-RPM loads or aggressive tuning without risking catastrophic failure. The MOOSE RACING 102.00 mm Piston Kit delivers forged strength and precision engineering to handle forced induction, high-boost...09106495- SKU:
- 09106495
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$326.95 -
MOOSE RACING Piston Kit - 102.00 mm - Yamaha MP1016B
MOOSE RACING
$326.95A piston kit is the heart of your engine's combustion cycle, and compromised pistons mean lost power, increased detonation risk, and premature wear. The MOOSE RACING 102.00 mm piston kit delivers the strength and precision engineering needed for...09106496- SKU:
- 09106496
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$326.95 -
MOOSE RACING Piston Kit - 102.00 mm - Yamaha MP1039A
MOOSE RACING
$326.95If you're building a high-revving engine that demands reliability under extreme conditions, a quality piston kit is non-negotiable. The MOOSE RACING 102.00 mm Piston Kit delivers the strength-to-weight ratio and thermal management you need to push harder...09106497- SKU:
- 09106497
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$326.95 -
MOOSE RACING Piston Kit - 96.00 mm - Honda MP2136
MOOSE RACING
$326.95A piston kit is one of the most critical upgrades for extracting reliable power from your Honda engine—weak OEM pistons limit your ability to push boost, RPM, and compression without risking catastrophic failure. The MOOSE Racing MP2136 delivers the...09106507- SKU:
- 09106507
- Availability:
- Ships Same Business Day
- Weight:
- 1.21 LBS
$326.95 -
MOOSE RACING Piston Kit - 102 mm - Yamaha MP1045
MOOSE RACING
$326.95A high-quality piston kit is critical for maintaining horsepower and reliability in demanding racing conditions. The MOOSE RACING 102 mm Piston Kit delivers the strength-to-weight ratio and thermal management you need to push harder without sacrificing...09106508- SKU:
- 09106508
- Availability:
- Ships Same Business Day
- Weight:
- 1.41 LBS
$326.95 -
JE PISTONS Piston Kit 379446
JE PISTONS
$774.99JE Pistons represent the gold standard for high-output builds where reliability cannot be compromised. Built from 2618-T6 forged aluminum—the material of choice for extreme-duty competition engines—these pistons handle the thermal and mechanical stress...09106524- SKU:
- 09106524
- Availability:
- Ships Same Business Day
- Weight:
- 2.79 LBS
$774.99 -
JE PISTONS Piston Kit 379447
JE PISTONS
$774.99When you're pushing your engine to the limit, your pistons need to handle extreme pressures and temperatures without compromise. JE Pistons' 379447 kit delivers the precision engineering and material science that separates competition-grade components...09106525- SKU:
- 09106525
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
$774.99 -
JE PISTONS Piston Kit 379448
JE PISTONS
$774.99When you're running extreme power numbers, your stock pistons become a liability. JE Pistons 379448 delivers the strength and precision demanded by professional racing, engineered with 2618-T6 forged aluminum that withstands brutal combustion pressures...09106526- SKU:
- 09106526
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
$774.99
