ATV/UTV Cylinders and Parts
ATV/UTV Cylinders & Parts at JJ Motorsports
Rebuild your ATV/UTV’s top end with premium cylinders and sleeves from JJ Motorsports, featuring standard-bore, high-compression kits, and sleeve/piston combos for maximum durability and power on Honda, Yamaha, and Suzuki models. These high-quality parts ensure leak-free sealing and reliable performance in off-road and racing conditions.
Shop Moose Racing, Cylinder Works, and LA Sleeve cylinders for race-proven strength. Explore related categories such as ATV/UTV engine for pistons and gaskets, or ATV/UTV for exhaust and suspension to complete your top-end rebuild and ride with total confidence across all conditions, from high-speed dunes to technical trails.
Top ATV/UTV Cylinders & Parts
- Moose Racing Cylinder Standard MSE10003 – Standard-bore cylinder for Yamaha Banshee; nickel-silicon plated for long life and heat resistance.
- Cylinder Works Cylinder Standard Bore High Compression 60006-K01HC – High-compression standard cylinder; fits Honda TRX300EX with increased power output.
- LA Sleeve Sleeve and Piston Kit Honda LAS-5293K-1 – Complete sleeve and piston kit for Honda; big-bore rebuild with custom cylinder sleeve.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
MOOSE RACING Cylinder - Standard - Brute Force MSE30007
MOOSE RACING
$462.95A worn or damaged cylinder compromises compression, efficiency, and overall engine reliability—costing you performance and consistency on the track or trail. The MOOSE RACING Cylinder restores OEM specifications with precision engineering and superior...09310512- SKU:
- 09310512
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- CAST
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- UTV
$462.95 -
MOOSE RACING Cylinder - Standard - Teryx MSE30008
MOOSE RACING
$462.95A worn or damaged cylinder compromises compression, power delivery, and engine reliability. The MOOSE RACING Cylinder restores OEM performance with precision engineering and a superior low-friction bore surface that runs cooler and lasts longer. This U.S...09310513- SKU:
- 09310513
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- UTV
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- CAST
$462.95 -
Cylinder Works Standard Bore High Compression Cylinder Kit for Polaris General 1000 60006-K01HC
CYLINDER WORKS
$1,353.95When your Polaris General 1000 is ready to deliver more power, a high-compression cylinder upgrade is one of the most direct paths to increased horsepower and torque. The Cylinder Works Standard Bore High Compression Cylinder eliminates guesswork with a...09310732- SKU:
- 09310732
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- BORE SIZE METRIC:
- 93.00 MM
- UNITS:
- EACH
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- HIGH COMPRESSION
- RIDING STYLE:
- UTV
- CYLINDER DIAMETER:
- 93,00 MM
- PRODUCT NAME:
- CYLINDER
$1,353.95Qty in Cart: 0Quantity:Price:$1,353.95Subtotal: -
Cylinder Works Big Bore Cylinder Kit for Polaris RZR 900 2015-2016 975cc 10.5:1 Compression 61004-K01
CYLINDER WORKS
$1,283.95If you're serious about extracting maximum horsepower from your Polaris RZR 900, a big bore cylinder kit is one of the most direct paths to measurable gains in power and throttle response. The Cylinder Works 975cc kit delivers a displacement increase...09310736- SKU:
- 09310736
- Availability:
- Ships Same Business Day
- Weight:
- 9.50 LBS
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- UTV
- CYLINDER DIAMETER:
- 93,00 MM
- DISPLACEMENT:
- 1110 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- OVERBORE METRIC:
- +5.00 MM
$1,283.95Qty in Cart: 0Quantity:Price:$1,283.95Subtotal: -
LA Sleeve Cylinder Sleeve 82mm Bore Arctic Cat 400 2002-2017 Suzuki Eiger 400 2002-2007 Suzuki KingQuad 400 2008-2024 FL5512
LA SLEEVE
$111.95A worn cylinder sleeve compromises compression, power delivery, and fuel efficiency—ultimately shortening your engine's lifespan. The LA SLEEVE FL5512 restores your 400cc engine to factory specifications with precision-engineered bore geometry,...09310140- SKU:
- 09310140
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- TYPE:
- AC
- BORE SIZE METRIC:
- 82.00 MM
- PRODUCT NAME:
- CYLINDER SLEEVE
- COLOR/FINISH:
- ALUMINUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
LA Sleeve Cylinder Rebuild Kit for Honda TRX400EX 1999-2008 LAS-5293K-1
LA SLEEVE
$340.95If your Honda TRX400EX is showing signs of wear—loss of compression, sluggish throttle response, or declining power output—a top-end rebuild is the most cost-effective path to restoring peak performance. The LA Sleeve Cylinder Rebuild Kit delivers a...09310358- SKU:
- 09310358
- Availability:
- Ships Same Business Day
- Weight:
- 3.81 LBS
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- CYLINDER
- UNITS:
- KIT
- MATERIAL:
- IRON
- RIDING STYLE:
- ATV
$340.95 -
LA Sleeve Cylinder Rebuild Kit for 1994-1999 Polaris Xplorer 300 LAS-5273K
LA SLEEVE
$395.95Your Polaris Xplorer 300 engine relies on precise tolerances and quality materials to deliver consistent power—and OEM components wear. This complete sleeve and piston rebuild kit restores compression and ring seal while replacing critical wear surfaces,...09310363- SKU:
- 09310363
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- MATERIAL:
- IRON
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- CYLINDER
- UNITS:
- KIT
$395.95Qty in Cart: 0Quantity:Price:$395.95Subtotal: -
LA Sleeve Sleeve and Piston Kit Yamaha YFM350 Grizzly 2007-2010 LAS-5024K
LA SLEEVE
$302.95If you're running a 2007-2010 Yamaha YFM350 Grizzly, a worn top-end directly impacts power delivery and throttle response. This LA Sleeve Sleeve and Piston Kit addresses ring blow-by and compression loss with a centrifugally-spun cast iron cylinder...09310366- SKU:
- 09310366
- Availability:
- Ships Same Business Day
- Weight:
- 3.68 LBS
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- CYLINDER
- UNITS:
- KIT
- MATERIAL:
- IRON
- RIDING STYLE:
- ATV
$302.95 -
Cylinder Works Yamaha YFM700R Raptor 2015-2023 Standard Bore High Compression Cylinder Kit 20004-K02HC
CYLINDER WORKS
$867.95When your YFM700R Raptor demands more power and reliability, a complete cylinder kit with matched components is essential to realize that potential. The Cylinder Works High Compression kit delivers measurable gains in compression ratio and thermal...09310654- SKU:
- 09310654
- Availability:
- Ships Same Business Day
- Weight:
- 8.50 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- DISPLACEMENT:
- 686 CC
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.1:1
- ENGINE TYPE:
- 4-CYCLE
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER:
- 102,00 MM
- CYLINDER DIAMETER METRIC:
- 102.00 MM
- UNITS:
- KIT
$867.95 -
Cylinder Works Big Bore Cylinder Kit YFM 700 Raptor 2006-2014 21004-K01
CYLINDER WORKS
$1,011.95If you're running a YFM 700 Raptor and want measurable power gains without extensive machine work, a big bore cylinder kit is one of the most direct paths to increased displacement and performance. The Cylinder Works kit delivers this upgrade as a...09310655- SKU:
- 09310655
- Availability:
- Ships Same Business Day
- Weight:
- 9.20 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 105,00 MM
- CYLINDER DIAMETER METRIC:
- 105.00 MM
- OVERBORE METRIC:
- +3.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 727 CC
- ENGINE TYPE:
- 4-CYCLE
$1,011.95Qty in Cart: 0Quantity:Price:$1,011.95Subtotal: -
MILLENNIUM Cylinder Kit K292
MILLENNIUM
$449.95If you're pushing your engine to the limit, a factory cylinder kit won't cut it. The MILLENNIUM K292 Big Bore Cylinder Kit delivers the structural integrity and thermal stability required for sustained high-RPM performance, eliminating the reliability...09310699- SKU:
- 09310699
- Availability:
- Ships Same Business Day
- Weight:
- 6.01 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- MATERIAL:
- PLATED
- STYLE:
- BIG BORE
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 104.00 MM
- RIDING STYLE:
- ATV
$449.95Qty in Cart: 0Quantity:Price:$449.95Subtotal: -
MILLENNIUM Cylinder Kit K290
MILLENNIUM
$1,495.00When you're pushing your engine to the limit, stock internals become your biggest liability. The MILLENNIUM Cylinder Kit K290 replaces weak points with forged-steel components engineered to handle sustained high-RPM abuse and boost pressures that would...09310701- SKU:
- 09310701
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- UNITS:
- KIT
- BORE SIZE METRIC:
- 98.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- MATERIAL:
- 6061 BILLET ALUMINUM
- RIDING STYLE:
- UTV
$1,495.00 -
On Sale
MILLENNIUM Cylinder - +5mm - RZR 900 MT194
MILLENNIUM
MSRP: $999.95Now: $640.00Was: $999.95The MILLENNIUM Cylinder delivers measurable horsepower gains and extended engine life through advanced NSC plating and precision CNC machining. If you're running a RZR 900 and want maximum reliability without sacrificing performance, this +5mm bore...09310702- SKU:
- 09310702
- Availability:
- Ships Same Business Day
- Weight:
- 5.90 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- MATERIAL:
- 6061 T6 ALUMINUM
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- OVERBORE METRIC:
- +5.00 MM
MSRP: $999.95Now: $640.00Was: $999.95 -
MILLENNIUM Cylinder Kit K289
MILLENNIUM
$1,495.00If you're serious about extracting maximum power and reliability from your engine, a proper big bore kit isn't optional—it's essential. The MILLENNIUM Cylinder Kit K289 delivers the displacement gains you need without compromising structural integrity,...09310703- SKU:
- 09310703
- Availability:
- Ships Same Business Day
- Weight:
- 10.20 LBS
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- BORE SIZE METRIC:
- 98.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- MATERIAL:
- 6061 BILLET ALUMINUM
- RIDING STYLE:
- UTV
$1,495.00 -
MILLENNIUM Cylinder - +5mm - RZR 1000 MT195
MILLENNIUM
$999.95If you're running a RZR 1000 at the edge of performance, your stock cylinder is holding you back. The MILLENNIUM Cylinder delivers the displacement increase and wear resistance your engine needs to sustain higher boost pressures and extended racing...09310704- SKU:
- 09310704
- Availability:
- Ships Same Business Day
- Weight:
- 6.20 LBS
- UNITS:
- KIT
- MATERIAL:
- 6061 T6 ALUMINUM
- RIDING STYLE:
- UTV
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- OVERBORE METRIC:
- +5.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
$999.95Qty in Cart: 0Quantity:Price:$999.95Subtotal: -
MILLENNIUM Cylinder Kit K293
MILLENNIUM
$1,495.00When you're pushing your engine to the limit, a factory cylinder kit simply won't cut it. The MILLENNIUM K293 is a complete big bore solution engineered for racers and serious builders who demand maximum displacement, reliability, and power output in a...09310705- SKU:
- 09310705
- Availability:
- Ships Same Business Day
- Weight:
- 10.55 LBS
- MATERIAL:
- 6061 BILLET ALUMINUM
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
- BORE SIZE METRIC:
- 85.00 MM
- RIDING STYLE:
- UTV
- COMPRESSION RATIO IMPERIAL:
- 10.75:1
$1,495.00 -
Cylinder Works Cylinder Head Kit Honda TRX450R 2006-2009 CH1004K01
CYLINDER WORKS
$705.95Upgrade your engine's performance with the CYLINDER WORKS Cylinder Head Kit CH1004K01. This high-quality replacement head is designed for enthusiasts seeking enhanced power and efficiency. Crafted in the U.S.A., it features precision components that...09310884- SKU:
- 09310884
- Availability:
- Ships Same Business Day
- Weight:
- 5.81 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- CYLINDER HEAD KIT
- UNITS:
- KIT
- RIDING STYLE:
- ATV
$705.95 -
Cylinder Works Standard Bore Cylinder Yamaha Raptor 700R 2006-2024 20004
CYLINDER WORKS
$540.95Upgrade your Raptor 700 with the Cylinder Works Standard Cylinder, designed for seamless installation and exceptional performance. This high-quality cylinder is engineered to match OEM specifications, ensuring a perfect fit and reliable operation...09310395- SKU:
- 09310395
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- STYLE:
- STANDARD
- CYLINDER DIAMETER:
- 102,00 MM
- CYLINDER DIAMETER METRIC:
- 102.00 MM
$540.95 -
Cylinder Works Standard Bore Cylinder Kit for Yamaha YXR700F Rhino 700 2008-2013 20104
CYLINDER WORKS
$526.95Upgrade your Rhino 700 with the Cylinder Works Standard Cylinder, designed for seamless installation and exceptional performance. This direct bolt-on cylinder offers a perfect fit, ensuring you get back on the trails with confidence. Crafted in the U.S.A...09310397- SKU:
- 09310397
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- CYLINDER DIAMETER:
- 102,00 MM
- CYLINDER DIAMETER METRIC:
- 102.00 MM
- RIDING STYLE:
- UTV
- STYLE:
- STANDARD
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$526.95 -
Cylinder Works High Compression Cylinder Kit Yamaha YFZ450R 2009-2017 20003-K02HC
CYLINDER WORKS
$788.95Elevate your engine's performance with the CYLINDER WORKS High Compression Cylinder Kit. Designed for effortless installation, this kit offers a perfect fit and enhanced durability, ensuring your engine runs smoothly and efficiently. With high-quality...09310377- SKU:
- 09310377
- Availability:
- Ships Same Business Day
- Weight:
- 4.65 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 95,00 MM
- RIDING STYLE:
- ATV
- STYLE:
- HIGH COMPRESSION
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
$788.95