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Kunray MY1020 48V 72V 2000W 3000W High Speed DC Motor with Temperature Sensor for Electric Bicycle Scooter DIY Parts

SKU: WG-F-482000

The MY1020-WG comes in two configurations – 48V 2000W for balanced performance, or 72V 3000W for maximum output.
Electric brushless dc motor with KTY83-120 temperature sensor, 6mm² phase wire, 8PCS magnet poles.You can set the temperature through the programming controller to better protect the brushless motor.Don't worry about overheating damaging your motor.
This mid drive motor suitable for Razor MX650, MX500,SX500,RSF650,Electric Go-karts, E-scooters, Light ATVs, Mini Electric Motocycles, Mopeds, Razor Upgrades Replacement, DIY Engines and more.
This electric go-kart motor is directly compatible with Kelly, Fardriver, and KUNRAY NS12 controllers.
The brushless motor adopts pure copper coil, energy saving, high efficiency and heat resistance；High quality aluminum alloy housing, not easy to deform and rust，this electric dc motor can rotates forward or backward, just connect a reverse switch or reverse throttle, easy to use.

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Rate Voltage	48VDC	72VDC
Rate Power	2000W	3000W
Rate Current	42A	45A
Rate Speed	4300rpm/min	4900rpm/min
Max Speed	5700rpm/min	6700rpm/min
Torque	5.1N.m	5.44N.m
Net weight	About 5.5 kg	About 5.5 kg
Load Weight	about 150-200KG	about 150-200KG

🔥 Core Advantages
✔Smarter Protection, Stronger Performance

Equipped with a KTY83-120 temperature sensor that monitors real-time heat levels.
You can set the temperature limit through a programmable controller to prevent overheating and motor burnout, ensuring safer high-power performance.

✔Two Power Options for Different Riding Needs

48V 2000W – balanced output, ideal for daily riding and moderate upgrades
72V 3000W – extreme power for riders who want faster acceleration and top-speed performance
Choose the version that matches your build—no waste, no compromise.

✔Excellent Compatibility for Easy Upgrades

Perfect replacement motor for Razor MX650, MX500, SX500, RSF650.
Ideal for Electric Go-Karts, Drift Trikes, Mini Motorcycles，Electric Scooters, E-Bikes, Mopeds，DIY electric vehicles and custom engineering builds
Directly compatible with Kelly, FarDriver, and Kunray NS12 controllers.
No complex rewiring, plug-and-play installation for most builds.

✔Heavy-Duty Wiring for Higher Current Output

Features 6mm² thick phase wires that ensure stable power delivery under high loads.
Less heat, less power loss—more real torque you can feel.

✔Durable Build, Premium Materials

Pure copper winding + aluminum alloy housing for higher efficiency, excellent heat dissipation, and long service life.
8-pole magnet structure offers quicker response, higher efficiency, and improved torque delivery.

✔Flexible Mounting & Reversible Drive

Available with or without mounting bracket to fit different frames and custom builds.
Supports forward and reverse rotation—simply connect a reverse switch or throttle to change direction

FAQ

What applications is the MY1020 48V/72V high-speed DC motor designed for?

This motor is designed for electric bicycles, electric scooters, go-karts, minibikes, and DIY electric vehicle conversions. It is suitable for users looking to upgrade speed and power in compact electric drive systems.

Why does this motor support both 48V and 72V configurations?

Dual-voltage support allows users to choose between balanced efficiency (48V) and higher speed or torque output (72V), depending on their performance needs, controller setup, and battery availability.

How does the built-in temperature sensor protect the motor?

The temperature sensor monitors internal motor heat in real time. When connected to a compatible controller, it helps reduce power output or trigger protection measures if the motor reaches unsafe temperatures.

What controller should be used with this high-speed DC motor?

A brushless DC controller rated for 48V or 72V with sufficient current capacity should be used. Controllers with thermal protection, current limiting, and programmable parameters are strongly recommended.

Can this motor be used for high-speed electric bike or scooter builds?

Yes. When paired with a 72V battery, suitable controller, and correct gearing, this motor is capable of supporting high-speed electric bike or scooter applications.

How fast can a vehicle run with this 2000W–3000W DC motor?

Actual speed depends on voltage, wheel size, rider weight, gearing, and controller settings. A 72V setup typically provides higher top speed than a 48V configuration under the same conditions.

Does this motor support reverse operation?

Reverse functionality depends on the controller. If the controller supports bidirectional control, the motor can run in both forward and reverse directions.

What battery is recommended for stable operation?

A 48V or 72V lithium battery with adequate discharge current is recommended. The battery must match the controller’s voltage and current requirements to ensure stable and safe operation.

How difficult is installation for DIY users?

Installation is straightforward for users with basic mechanical and electrical knowledge. It involves mounting the motor, wiring the controller, battery, throttle, and temperature sensor, and securing all connections properly.

Why is proper gearing important for this high-speed motor?

Correct gearing ensures optimal balance between speed, torque, and efficiency. Improper gearing may reduce performance, increase heat buildup, or shorten component lifespan.

Can this motor be used in long-duration or continuous-run applications?

Yes, provided that adequate cooling, correct controller settings, and the temperature sensor protection are properly implemented to prevent overheating during extended operation.

⚡About Kunray
Founded in 2013,Kunray Intelligent Technology Co., Ltd. is committed to independent research and development、production, and sales of electronic control accessories used are high-end products， such as e-bikes, e-scooters, go-karts, electric motorcycles, etc.
With our own manufacturing facilities and a dedicated R&D team, we develop practical electric power solutions for DIY projects, electric mobility, and custom applications.

⭐Our Motor Series
Our motor portfolio includes the KR5V, KR10, MY1020, and MY1030 series. Each model is part of our ongoing product development efforts, reflecting our focus on practical solutions for different electric power applications.
Explore our motor series to learn more about individual models, specifications, and application options.

Explore KR10 →

Explore KR5V →

Explore MY1020 →

👍Why Kunray
**Product Design & Development**
We develop our own products with a focus on practical application needs and continuous improvement.

**In-House Manufacturing**
Our own manufacturing facilities support our product development and production capabilities.

**Motor & Controller Matching Support**
We help customers understand motor and controller compatibility when selecting components for their projects.

**Customization & Technical Support**
We offer OEM/ODM services, product selection guidance, and assistance with installation and use.

Let's Find the Right Solution for Your Project
Not sure which motor or controller fits your application? Contact our team for product information and selection assistance.

**Contact Us**

Email: tracy@cnkunray.com
WhatsApp: +86 157 0589 9280
WeChat: 15705899280

📌6-Month Warranty Support Should any issue occur with your product within 6 months of purchase, please reach out to Kunray official after-sales support. Our team will help you troubleshoot the problem and provide a suitable solution, including replacement parts or repair guidance where applicable.

⭐Kunray Official After-Sales Support

Email: buyersupport@cnkunray.com

👍Other Inquiries For any other questions — product compatibility, spare parts, order follow-up, or general enquiries — please contact us at:

Email: tracy@cnkunray.com
WhatsApp: +86 157 0589 9280
WeChat: 15705899280

To help us serve you faster, please include your order number and a short video or clear photos showing the issue when you contact us. This allows us to identify the cause and respond more quickly.

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Kunray MY1020 48V 72V 2000W 3000W High Speed DC Motor with Temperature Sensor for Electric Bicycle Scooter DIY Parts

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