Best Boss Bearing Powersports Drive Belts in 2026

High-performance and unique belt technology

100% cutting-edge PBO high-tensile strength polymer fiber construction

Designed for high-temperature robustness and prolonged durability

Flexible, high-performance materials enable grab-and-go mobility and responsive acceleration

Double- or single-cog designs to match the OEM belt with advanced trapezoid top notch and rounded cog design to maximize heat dissipation and flexibility

Advanced aramid tensile cords and reinforced fiber-loaded undercord for durability and dependability

See Description For Vehicle Fitment.

UTV

Front, Rear, Left, Right

Highest shock load rating to date being able to withstand the power of the 400hp machines

Latest bottom cog design for greater rotational efficiency at full shift

Aramid Fiber cord, versus polyester, wraps over bottom cogs for increased bottom cog strength

replaces 422280652

runs 200 rpm lower

higher tensile strength

Official Kawasaki product

Part number: 59011-0003

Model fit: See description

Flexible, high-performance materials enable grab-and-go mobility and responsive acceleration

Double- or single-cog designs to match the OEM belt with advanced trapezoid top notch and rounded cog design to maximize heat dissipation and flexibility

Advanced aramid tensile cords and reinforced fiber-loaded undercord for durability and dependability

Flexible, high-performance materials enable grab-and-go mobility and responsive acceleration

Double- or single-cog designs to match the OEM belt with advanced trapezoid top notch and rounded cog design to maximize heat dissipation and flexibility

Advanced aramid tensile cords and reinforced fiber-loaded undercord for durability and dependability

Ensure Proper Belt Tension: This gauge provides accurate and consistent measurements, allowing easily check and adjust the tension of your motorcycle belt. With graduated scale for easy reference.

Hassle-Free Maintenance: With this tool, you can quickly and easily perform belt maintenance and avoid costly repairs down the road. Made with high-quality materials, this gauge is built to last and is designed for ease of use.

Optimize Performance & Enhance Safety: Proper belt tension is critical for optimal motorcycle performance and can help increase power, fuel efficiency, and overall lifespan. It is also crucial for safe riding. Using this gauge helps ensure that your motorcycle is in top condition for worry-free riding

Compatible For Yerf Dog: Q43103W & Q43203W

Manco: 203591, 203591A, 203591B, 203591C

Kartco: 7655

Fits: 2014+ Polaris RZR XP 1000 | 2014+ Polaris RZR XP 4 1000 | NOTE: Does NOT fit Trails and Rocks (AZ) Edition

Replaces OEM Part #: 3211180 / 3211148 / 3211172 / 3211142

Extreme Badass Belt: Built Specifically For Extreme Abuse, Excessive Shock Load, And High Temps! Have Big Tires, Gear Reduction, Or A Clutch Kit - Well Then This Cvt Drive Belt Was Made For You. Order Yours Today!

Package length:2.5 cm

Greater heat resistance and recovery, even under severe duty cycles

Optimized, patented EE compound maximizes axial stiffness enabling belts to run at higher continuous torques or loads

Innovative design results in better acceleration, higher top speeds, less speed ratio and energy loss in extreme off-road environments

Flexible, high-performance materials enable grab-and-go mobility and responsive acceleration

Double- or single-cog designs to match the OEM belt with advanced trapezoid top notch and rounded cog design to maximize heat dissipation and flexibility

Advanced aramid tensile cords and reinforced fiber-loaded undercord for durability and dependability

Clutch Drive belt: 1-3/16"W x 39-1/2" OD. Replaces OEM #J55-G6241-00, J55-G6241-00-00.Tips：Roykaw upgrade the packaging.So the package will be shipped randomly.Whether the package is new or old, the product inside is the same.

Starter/Generator belt: 1/2"W x 35" OD. Replaces OEM #JN6-H1173-00.

Will NOT fit Yamaha G29/Drive 2007-2011. It takes bigger belt. Please specify belt OD before ordering.

DESIGNED & TESTED BY POLARIS – With 20,000 miles of field testing and 18+ months of development, Polaris OEM Parts are proven to run cooler and at optimal RPMs to ensure maximum vehicle performance and ultimate durability.

BUILT FOR ALL TERRAINS – Polaris Drive Belts are made to withstand all terrains your adventure might take you such as mud, dirt, trails, sand, rocky paths and more. The suggested replacement period is every 6 months, 50 hours or 1,000 miles.

STURDY & RELIABLE – Polaris belts are made to last and hold up under the power of the RZR 1000. Engineered to run at the optimal RPM and deliver unmatched performance for your off-road vehicle. Developed and tested for all environments & conditions.

Flexible, high-performance materials enable grab-and-go mobility and responsive acceleration

Double- or single-cog designs to match the OEM belt with advanced trapezoid top notch and rounded cog design to maximize heat dissipation and flexibility

Advanced aramid tensile cords and reinforced fiber-loaded undercord for durability and dependability

Package length:48.768 cm

Material: Fiber+Rubber (longer durability and high-performance)

Length: 835mm Width: 20mm Teeth Angel: 30 degree

Racing Drive Belt for 4 stroke GY6 125cc 150cc 157QMJ/152QMI Engine Scooter,ATV,Go Kart,Moped

✬【FITMENT】The drive belt is designed for ATVs, UTVs or other powersport equipment .It is compatible with Polaris Ranger 400 500; Scrambler 400 500; Magnum 325 330 425; Sportsman 335 400 450 500 .Also the 20G4022 belt is a perfect replacement for 3211072, 3211048.

✬【NO SLIPPERY】Nylon fiber increases the friction between the drive belt and sheaves, and improves its transmission efficiency, which is not easy to slip, and can strengthen the service life of the ranger drive belt and pulley ,also give it way more power to drive.

✬【STRONG HEAT DISSIPATION 】It was shown through tests that high strength chloroprene rubber of our ranger belt is with good resistance to grease, heat and aging,providing you a safe and comfort driving or racing experience.

◎ HIGH QUALITY MATERIAL -- Fiber Rubber made for high mileage and reliability, longer durability and high-performance

◎ COMPATIBILITY -- Compatible with GY6 125cc 150cc Short Case 152QMI 157QMJ Engine Based Scooter Moped ATV

◎ DIMENSION -- Length: 743mm/29.25", Width: 20mm/0.78", Teeth Angel: 30 degree

669-18-30 Drive belt replacement for 4 stroke GY6 49CC 50CC 1P39QMB 139QMB, such as engine Scooter, Go Kart, Moped, ATV. Brand new aftermarket Drive Belt.

Diameter: 669 mm. Width: 18 mm. Pitch: 30 degrees.

Compatible with GY6 49CC 50CC ROKETA TAOTAO VESPA JONWAY SCOOTERS, MOPED, GO KART & ATV

【Compatibility】For GY6 125cc 150cc 152QMI 157QMJ Short Case Scooter Moped ATV Go Kart

【Size For Reference】Length：743mm, Width：20mm, Angle：30mm

【Material】Made with Premium Synthetic Fiber, Durable and Flexible

✔️The 40 series go kart drive belt Commonly used on most 40 and 45 series TORQ-A-VERTER drive systems.Torque Converter Drive Belt replaces for comet 203785 203785A and manco 12346

✔️Width: 7/8", Length: 33-7/8''

✔️40 Series Torque Converter Belt is made of excellent quality rubber material, no freys cracks or tears, it's sturdy and durable in use. Go Kart Belt Designed for superior, high mileage and reliable performance. 40 Series Go Kart Drive Belt-According to factory specifications, a great replacement belt for the old or worn one.Tested under severe environmental conditions to deliver maximum performance in any terrain or weather.

✪ 100% brand new and high-quality drive belt, interchange part number: 203589 / 5959.

✪ The drive belt used on most for Manco, American Sportworks, Yerf-Dog, Hammerhead and Ken-bar Karts with 5hp-7hp engines, for the Comet TAV2 bolt on torque-a-verter kit.

✪ Compatible with Comet Torq-A-Verter Series, 30 Series, TAV30, & TAV-2. Ken-Bar, Carter, Manco, & Kartco Go Karts. Hoffco & Comet Part #s: 994-70, 203589, 203589A, 203589-W1, & 203589-W2. Manco Part #: 285B, 286B, 286U, 485B, 906C, 5959. Murray Part #: 12-8487. Baja Motorsports Part #: BB65-395. Ken-Bar Part #: 300-009. Part #: 255-299. Rotary Part #: 8487.

【Compatibility】4 Stroke 49CC 50CC GY6 139QMB 1P39QMB Engines

【Size For Reference】Length：669mm, Width：18mm, Angle：30mm

【Material】Made with Premium Synthetic Fiber, Durable and Flexible

【PARTS NUMBER】: 30C3750 and it only fits specific models.

【HIGH QUALITY】: Gain optimal power transmission for faster acceleration, improved throttle response and consistent shifting performance.The advanced carbon tensile cords are surrounded by specially formulated adhesion gum to reduce edge cord pullout and increase belt life.

【PERFECT DESIGN】: High-performance neoprene with a trapezoidal topnotch and rounded bottom cog design maximizing heat control and flexibility. The first CVT belt utilizing carbon tensile cord for minimal stretch and extraordinary strength.

Golf carts drive & starter belts kit for EZGO 4 Cycle Gas Golf Cart 1994-UP replacement for OEM #72054G01, 26414G01. Will not fit carts with Kawasaki engines, Marathon, and ST480 ST4x4 & RXV models.Tips：Roykaw upgrade the packaging.So the package will be shipped randomly.Whether the package is new or old, the product inside is the same.

Drive Belt - 1-1/8" W x 42" OD (Roughly)，replacement OEM # 72054G01, 72024G01, 72025G01

Starter/Generator Belt - 1/2" W x 34-7/8" OD (Roughly)，replacement OEM #26414G01, 630587

【Compatibility】The ATV UTV drive belt is compatible with Polaris Ranger 400 500; compatible with Polaris Scrambler 400 500;   compatible Polaris Magnum 325 330 425; and compatible with Polaris Sportsman 335 400 450 500 Part Number: 3211077, 20G4022 can replace for 3211077, 3211072, 3211048. For more compatible vehicle details, please see the description.

【Strong heat dissipation】kemimoto drive belt is made of high-quality chloroprene rubber and aramid string cord for better heat resistance and heat dissipation. The belt can be kept tight enough during high-speed operation without loosening due to high temperature.

【Durable Drive Belts】-Puncture-resistant, abrasion-resistant, corrosion-resistant carbon drive belt has been thickened and compacted. Don't worry about the excessive deformation of the belt.

◎ HIGH-QUALITY MATERIAL -- Fiber Rubber made for high mileage and reliability, longer durability, and high-performance

◎ COMPATIBILITY -- Compatible with 4-stroke Chinese long case GY6 125cc 150cc based engine 152QMI 157QMJ long-case engine scooter, ATV, go-kart, moped.

◎ DIMENSION -- Length: 842 mm(32.14"), Width: 20 mm(13/16"), Teeth Angel: 30 degree