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
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Cylinder Works Honda TRX450R 2006-2009 Big Bore Kit 477cc 11005-K01
CYLINDER WORKS
$728.95Upgrade your engine with the CYLINDER WORKS Big Bore Kit, designed for seamless installation and optimal performance. This high-quality kit features a direct bolt-on design that mirrors OEM specifications, ensuring a perfect fit without the need for...09310175- SKU:
- 09310175
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- COMPRESSION RATIO IMPERIAL:
- 12.1:1
- CYLINDER DIAMETER METRIC:
- 99.00 MM
- RIDING STYLE:
- ATV
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- OVERBORE METRIC:
- +3.00 MM
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 99,00 MM
- DISPLACEMENT:
- 477 CC
$728.95 -
Cylinder Works Standard Bore Cylinder Kit for Suzuki LT-R450 2006-2009 40002
CYLINDER WORKS
$402.95Enhance your engine's performance with the CYLINDER WORKS Cylinder Standard 40002. This ready-to-install, direct bolt-on cylinder is designed to seamlessly replace your OEM cylinder, ensuring a perfect fit and optimal functionality. Crafted in the U.S.A...09310166- SKU:
- 09310166
- Availability:
- Ships Same Business Day
- Weight:
- 2.91 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CYLINDER DIAMETER:
- 95,50 MM
- ENGINE TYPE:
- 4-CYCLE
- OVERBORE METRIC:
- STANDARD
- STYLE:
- STANDARD
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 95.50 MM
- DISPLACEMENT:
- 449 CC
- PRODUCT NAME:
- CYLINDER
$402.95 -
ATHENA Cylinder Kit - LTR450 - 100mm P400510100008
ATHENA
$1,108.95Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets, Forged piston with molybdenum coating, Special gasket kit, Easy-to-follow step-by-step installation instructions, All are bolt-on; no machining required09310116- SKU:
- 09310116
- Availability:
- Ships Same Business Day
- Weight:
- 3.96 LBS
- ENGINE TYPE:
- 4-STROKE
- CYLINDER BORE COATING:
- NICKEL-CARBIDE
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 490 CC
- MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 100.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
$1,108.95 -
ATHENA Cylinder Kit - LTR450 P400510100007
ATHENA
$772.95Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets, Forged piston with molybdenum coating, Special gasket kit, Easy-to-follow step-by-step installation instructions, All are bolt-on; no machining required09310115- SKU:
- 09310115
- Availability:
- Ships Same Business Day
- Weight:
- 4.24 LBS
- PRODUCT NAME:
- CYLINDER KIT
- DISPLACEMENT:
- 450 CC
- STYLE:
- STOCK BORE
- UNITS:
- KIT
- BORE SIZE METRIC:
- 95.50 MM
- CYLINDER BORE COATING:
- NICKEL-CARBIDE
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ATV
$772.95 -
ATHENA Cylinder Kit - YZ450F - 98mm P400485100016
ATHENA
$820.95Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets, Forged piston with molybdenum coating, Special gasket kit, Easy-to-follow step-by-step installation instructions, All are bolt-on; no machining required09310022- SKU:
- 09310022
- Availability:
- Ships Same Business Day
- Weight:
- 4.51 LBS
- DISPLACEMENT:
- 478 CC
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 98.00 MM
- CYLINDER BORE COATING:
- NICKEL-CARBIDE
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
$820.95 -
WSM High Performance Sleeve 60-520
WSM
$125.11Stock porting, Slightly modified port configuration increases horsepower, No case modifications necessary60520- SKU:
- 60520
- Availability:
- Ships Same Business Day
- Weight:
- 1.98 LBS
- PRODUCT NAME:
- SLEEVE
- TYPE:
- CYLINDER
- UNITS:
- EACH
- STYLE:
- HEAVY DUTY
- RIDING STYLE:
- ATV
$125.11 -
WSM High Performance Sleeve 60-520-01
WSM
$102.51Stock porting, Slightly modified port configuration increases horsepower, No case modifications necessary6052001- SKU:
- 6052001
- Availability:
- Ships Same Business Day
- Weight:
- 1.98 LBS
- STYLE:
- STOCK
- TYPE:
- CYLINDER
- UNITS:
- EACH
- PRODUCT NAME:
- SLEEVE
- RIDING STYLE:
- ATV
$102.51 -
WSM High Performance Sleeve 60-520-02
WSM
$138.01Stock porting, Slightly modified port configuration increases horsepower, No case modifications necessary6052002- SKU:
- 6052002
- Availability:
- Ships Same Business Day
- Weight:
- 1.98 LBS
- UNITS:
- EACH
- STYLE:
- BIG BORE
- TYPE:
- CYLINDER
- PRODUCT NAME:
- SLEEVE
- RIDING STYLE:
- ATV
$138.01Qty in Cart: 0Quantity:Price:$138.01Subtotal: -
MOOSE RACING Cylinder - Standard - RZR XP 1000 MSE60003
MOOSE RACING
$622.95Replace your damaged or worn OEM cylinder, Made from cast aluminum; nickel silicon carbide plated, Precision-machined and honed to OEM stock bore sizes, Extremely durable low-friction bore surface allows for greater heat dissipation, Stock OEM...09310631- SKU:
- 09310631
- Availability:
- Ships Same Business Day
- Weight:
- 7.07 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- UTV
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- PRODUCT NAME:
- CYLINDER
- UNITS:
- EACH
- MATERIAL:
- CAST
$622.95Qty in Cart: 0Quantity:Price:$622.95Subtotal: -
MOOSE RACING Cylinder - Standard - Polaris MSE60006
MOOSE RACING
$605.95Replace your damaged or worn OEM cylinder, Made from cast aluminum; nickel silicon carbide plated, Precision-machined and honed to OEM stock bore sizes, Extremely durable low-friction bore surface allows for greater heat dissipation, Stock OEM...09310964- SKU:
- 09310964
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
- COLOR/FINISH:
- GRAY
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- BORE SIZE METRIC:
- STANDARD
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CYLINDER DIAMETER:
- 93,00 MM
- ENGINE TYPE:
- 4-CYCLE
- MATERIAL:
- CAST
- PRODUCT NAME:
- CYLINDER
- DISPLACEMENT:
- 1000 CC
- RIDING STYLE:
- UTV
$605.95Qty in Cart: 0Quantity:Price:$605.95Subtotal: -
MOOSE RACING Cylinder - Standard - Polaris MSE60004
MOOSE RACING
$622.95Replace your damaged or worn OEM cylinder, Made from cast aluminum; nickel silicon carbide plated, Precision-machined and honed to OEM stock bore sizes, Extremely durable low-friction bore surface allows for greater heat dissipation, Stock OEM...09310963- SKU:
- 09310963
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
- COLOR/FINISH:
- GRAY
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- DISPLACEMENT:
- 875 CC
- RIDING STYLE:
- UTV
- CYLINDER DIAMETER:
- 93,00 MM
- ENGINE TYPE:
- 4-CYCLE
- MATERIAL:
- CAST
- PRODUCT NAME:
- CYLINDER
- BORE SIZE METRIC:
- STANDARD
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$622.95Qty in Cart: 0Quantity:Price:$622.95Subtotal: -
Cylinder Works Standard Bore Cylinder for Polaris General 1000 2017-2022 60006
CYLINDER WORKS
$605.95Upgrade your engine's performance with the Cylinder Works Standard 60006. This ready-to-install, direct bolt-on cylinder is designed for a seamless fit, ensuring you get the most out of your ride without the hassle of re-plating. Crafted in the U.S.A.,...09310730- SKU:
- 09310730
- Availability:
- Ships Same Business Day
- Weight:
- 6.85 LBS
- UNITS:
- EACH
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER:
- 93,00 MM
- RIDING STYLE:
- UTV
- STYLE:
- STANDARD
- PRODUCT NAME:
- CYLINDER
$605.95Qty in Cart: 0Quantity:Price:$605.95Subtotal: -
Cylinder Works Standard Bore Cylinder Kit for Polaris General 1000 EPS 2017-2022 60006-K02
CYLINDER WORKS
$1,037.95Enhance your engine's performance with the CYLINDER WORKS Cylinder Kit Standard Bore 60006-K02. This ready-to-install kit offers a seamless fit with no need for re-plating, delivering reliability and efficiency that rivals OEM standards. Each kit...09310731- SKU:
- 09310731
- Availability:
- Ships Same Business Day
- Weight:
- 10.01 LBS
- BORE SIZE METRIC:
- 93.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER:
- 93,00 MM
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- ENGINE TYPE:
- 4-CYCLE
$1,037.95Qty in Cart: 0Quantity:Price:$1,037.95Subtotal: -
L.A. Sleeve Cylinder Sleeve for 1985-1986 Honda ATC250R and 1986 Honda TRX250R H845
LA SLEEVE
$143.95Revitalize your engine with the LA SLEEVE Cylinder Sleeve H845, designed to provide a durable and reliable solution for worn-out cylinders. Engineered with precision, this high-quality replacement sleeve ensures optimal performance and longevity, making...H845- SKU:
- H845
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- ALUMINUM
- PRODUCT NAME:
- CYLINDER SLEEVE
- BORE SIZE METRIC:
- 66.00 MM
- RIDING STYLE:
- ATV
- TYPE:
- CI
- UNITS:
- EACH
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
$143.95 -
Cylinder Works Honda TRX450R 2004-2005 Standard Bore Cylinder 10003
CYLINDER WORKS
$402.95Upgrade your engine's performance with the CYLINDER WORKS Cylinder Standard 10003. This ready-to-install, direct bolt-on solution offers exceptional durability and reliability, ensuring a seamless fit that mirrors the original equipment manufacturer...09310138- SKU:
- 09310138
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 94.00 MM
- UNITS:
- EACH
- RIDING STYLE:
- ATV
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- CYLINDER DIAMETER:
- 94,00 MM
- OVERBORE METRIC:
- STANDARD
- STYLE:
- STANDARD
$402.95Qty in Cart: 0Quantity:Price:$402.95Subtotal: -
Cylinder Works Standard Bore Cylinder Yamaha YFZ450R 2009-2024 20003-1
CYLINDER WORKS
$380.95Experience unparalleled performance with the CYLINDER WORKS Standard Cylinder 20003-1. This ready-to-install, direct bolt-on cylinder is designed for seamless integration, requiring no re-plating and offering an aesthetic that closely resembles OEM...09311016- SKU:
- 09311016
- Availability:
- Ships Same Business Day
- Weight:
- 3.46 LBS
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- STANDARD
- CYLINDER DIAMETER:
- 95,00 MM
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$380.95 -
Cylinder Works Big Bore Cylinder Kit for 2011-2014 Polaris Ranger 800 4x4 808cc 10.2:1 Compression 61002-K02
CYLINDER WORKS
$1,119.95Upgrade your engine's performance effortlessly with the CYLINDER WORKS Big Bore Cylinder Kit. Designed for seamless installation, this kit offers enhanced durability and efficiency, ensuring your ride runs smoother and quieter. Crafted with precision,...09310621- SKU:
- 09310621
- Availability:
- Ships Same Business Day
- Weight:
- 10.05 LBS
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- CYLINDER DIAMETER METRIC:
- 82.00 MM
- RIDING STYLE:
- ATV
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 82,00 MM
- DISPLACEMENT:
- 808 CC
- UNITS:
- KIT
- OVERBORE METRIC:
- +2.00 MM
- RIDING STYLE:
- UTV
$1,119.95Qty in Cart: 0Quantity:Price:$1,119.95Subtotal: -
Cylinder Works Standard Bore Cylinder Kit Yamaha YFZ450R 2009-2017 20003-K02
CYLINDER WORKS
$730.95Upgrade your engine with the CYLINDER WORKS Cylinder Kit, designed for seamless installation and optimal performance. This ready-to-install kit includes everything you need to enhance your ride, ensuring a perfect fit and superior durability without the...09310376- SKU:
- 09310376
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- UNITS:
- KIT
- STYLE:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- COMPRESSION RATIO IMPERIAL:
- 12.1:1
- CYLINDER DIAMETER:
- 95,00 MM
- RIDING STYLE:
- ATV
$730.95Qty in Cart: 0Quantity:Price:$730.95Subtotal: -
Cylinder Works Standard Bore Cylinder Kit Yamaha YFM700 Grizzly 2007-2013 20104-K01
CYLINDER WORKS
$780.95Experience top-tier performance and reliability with the Cylinder Works Cylinder Kit Standard 20104-K01. This ready-to-install, direct bolt-on solution is designed to seamlessly replace your OEM cylinders, ensuring an effortless upgrade. Built with...09310374- SKU:
- 09310374
- Availability:
- Ships Same Business Day
- Weight:
- 8.40 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- CYLINDER DIAMETER:
- 102,00 MM
- CYLINDER DIAMETER METRIC:
- 102.00 MM
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- DISPLACEMENT:
- 686 CC
- RIDING STYLE:
- UTV
- STYLE:
- STANDARD
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
$780.95
