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Kunray MY1030 BLDC Motor Conversion Kit – 36V–72V, 1000W–3000W

The Kunray MY1030 BLDC Motor Conversion Kit is designed for electric vehicle power upgrade and chain-drive conversion projects. Available with seven motor configurations from 36V to 72V and 1000W to 3000W rated power, each kit includes a MY1030 motor, a matched controller, chain, rear sprocket, sprocket adapter, and your selected throttle.
Choose your motor voltage and power, mounting bracket, motor sprocket, and throttle type. The controller and drivetrain components are matched according to the selected configuration.

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Motor:

with bracket

without bracket
Parameter:

36V 1000W

48V 1000W

48V 1600W

48V 2000W

60V 2000W

60V 2500W

72V 3000W
Sprocket:

25H 11T

T8F 11T

#35 9T

#35 11T

420 9T
Kit:

Black Half-Twist Throttle Kit

Blue Full-Twist Throttle Kit

Pedal Kit

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Description

Product Overview

The Kunray MY1030 BLDC Motor Conversion Kit combines a MY1030 mid-drive motor with a matched controller and selected drivetrain accessories for electric vehicle conversion and power upgrade projects.

The MY1030 motor is available in seven electrical configurations, covering 36V to 72V and 1000W to 3000W rated power. Each kit includes a controller selected according to the motor configuration. Customers do not need to choose a separate controller.

The motor features an aluminum alloy housing, integrated cooling fins, natural air cooling, and a built-in KTY83-122 temperature sensor. When connected to a compatible controller with correct wiring and protection settings, the temperature signal can be used for monitoring and temperature-related protection functions.

The kit also includes a motor chain, rear sprocket, sprocket adapter, and one selected throttle. The motor sprocket, chain, and related drivetrain components are matched according to the selected sprocket configuration.

Choose the motor voltage and rated power, mounting bracket, motor sprocket, and throttle type to suit your vehicle project. Before ordering, check your battery, vehicle mounting dimensions, chain requirements, and installation space.

Key Features

- Complete Motor Conversion Kit: Includes the MY1030 motor, matched controller, chain, rear sprocket, sprocket adapter, and selected throttle.
- 7 Motor Configurations: Choose from 36V to 72V and 1000W to 3000W rated power.
- Matched Controller Included: Controller type is selected according to the motor's voltage and power configuration.
- Built-in Temperature Sensor: KTY83-122 sensor provides motor temperature feedback when connected to a compatible controller.
- Multiple Sprocket Options: Available with 25H, T8F, #35, and 420 motor sprockets.
- Three Throttle Options: Choose a full-twist throttle, half-twist throttle, or foot pedal throttle.
- Two Mounting Options: Available with or without a mounting bracket.

Electrical Specifications

Motor Specifications

Motor Type	Brushless DC Mid-Drive Motor
Model	MY1030
Pole Configuration	5 Pole Pairs / 10 Poles	Housing Material	Aluminum Alloy
Temperature Sensor	KTY83-122	Protection Rating	IP54
Cooling Method	Natural Air Cooling	Output Shaft Thread	M8 × 1.25 Reverse Thread

IP54 Protection: The motor provides protection against dust ingress and water splashes. It is not waterproof and must not be submerged or cleaned with a high-pressure water jet.

Motor Configuration Options

The MY1030 motor is available in different configurations. Please select the correct specifications according to your battery system and installation requirements.

1. Voltage and Rated Power

Choose from 7 available configurations:

36V 1000W
48V 1000W
48V 1600W
48V 2000W
60V 2000W
60V 2500W
72V 3000W

The matched controller is included and selected according to the motor configuration.

2. Mounting Bracket

Two mounting options are available:

With Mounting Bracket
Without Mounting Bracket

Please check your vehicle's mounting space, mounting holes, and installation requirements before ordering.

3. Motor Sprocket Options

The MY1030 supports different motor sprocket options depending on the output shaft type.

Type A Output Shaft

25H 11T
T8F 11T

Type B Output Shaft

#35 9T
#35 11T
420 9T

The selected motor sprocket is pre-installed on the motor. The chain and related drivetrain components are matched according to the selected sprocket configuration.

Important: Type A and Type B output shaft configurations are different and are not interchangeable. Please confirm your required chain type and output shaft configuration before purchasing.

Matched Controller Configuration

Each MY1030 motor conversion kit includes a controller selected according to the motor's voltage and rated power.

Selected Motor Configuration	Included Controller	Controller
36V 1000W	Kunray 15-MOSFET Sine Wave BLDC Controller
48V 1000W
48V 1600W
48V 2000W
60V 2000W	FarDriver NS12 12-MOSFET Bluetooth Sine Wave BLDC Controller
60V 2500W
72V 3000W

The controller is fixed according to the selected motor configuration and is included in the kit. Customers do not need to select a separate controller

Both controller configurations support Hall sensor operation and are compatible with the MY1030 KTY83-122 temperature sensor. Temperature-related protection functions depend on correct wiring and controller settings.

The motor, controller, battery, and other electrical components must be properly matched before installation. Actual system performance depends on the battery, controller settings, vehicle configuration, and operating conditions.

What Is Included? – Motor Conversion Kit

Each MY1030 motor conversion kit includes:

1 × Kunray MY1030 BLDC Motor (selected motor sprocket pre-installed)
1 × Matched Controller (selected according to motor configuration)
1 × Chain (matched to the selected drivetrain configuration)
1 × Rear Sprocket
1 × Sprocket Adapter
1 × Selected Throttle

The mounting bracket and motor sprocket configuration depend on the options selected when ordering.

Only need the MY1030 motor? Click to view the motor product page.→

Throttle Options

Choose one of the following throttle types:

Option 1: Blue Full-Twist Throttle

Full-twist throttle design
12–96V voltage range
Digital battery level display
Integrated Power Lock

Option 2: Black Half-Twist Throttle

Half-twist throttle design
22 mm handlebar fitment
1.6 m cable length
Digital battery level display
Integrated Power Lock
Approximate weight: 350 g

Option 3: Foot Pedal Throttle

Foot pedal throttle design
0–5V output
Dimensions: 175 × 86 × 130 mm
Cable length: 150 cm
PC material
Includes a separate key-operated Power Lock

Please select the throttle type that suits your vehicle's control setup and installation requirements.

Motor and Drivetrain Options

The MY1030 kit offers multiple motor sprocket configurations to suit different chain-drive setups.

The selected motor sprocket is installed on the motor before shipment. The chain, rear sprocket, and sprocket adapter are supplied as matched drivetrain components according to the selected sprocket configuration.

Before ordering, confirm your required chain standard, rear sprocket arrangement, available mounting space, and chain alignment.

The exact rear sprocket tooth count, chain length, and adapter interface depend on the supplied kit configuration. Please contact Kunray if you need to confirm compatibility with an existing drivetrain.

Controller Features

Kunray 15-MOSFET Sine Wave BLDC Controller

Used with the 36V and 48V MY1030 motor configurations.

36V / 48V compatible
Automatic voltage recognition
15-MOSFET design
Sine wave control
Hall sensor support
KTY83-122 temperature sensor compatibility
Field weakening function

FarDriver NS12 12-MOSFET Bluetooth Sine Wave BLDC Controller

Used with the 60V and 72V MY1030 motor configurations.

48–72V rated voltage range
Automatic voltage recognition
12-MOSFET design
Sine wave control
Programmable controller
Built-in Bluetooth
Hall sensor support
KTY83-122 temperature sensor compatibility
260A phase current rating

Controller current specifications should not be interpreted as the motor's continuous output capability. Actual operation depends on the complete electrical system and controller settings.

Applications and Compatibility

The Kunray MY1030 motor conversion kit is intended for chain-drive electric vehicle projects, including:

Electric dirt bikes
Electric go-karts
Golf carts
Pit bikes
Four-wheel electric bikes
Electric ATVs
Beach buggies
Electric tricycles
E-scooters
Mini electric motorcycles
Custom electric vehicle projects

Razor Vehicle Compatibility

The MY1030 motor is compatible with the following Razor models for direct-fit motor replacement and upgrade projects when the vehicle retains the relevant original mounting arrangement:

Razor MX350
Razor MX500
Razor MX650
Razor SX500
Razor RSF650

Before ordering, verify the vehicle's model year, battery voltage, available space, mounting points, chain type, chain alignment, controller, battery, and any previous frame, hole, or bracket modifications.

For other vehicle models, please confirm the motor mounting arrangement, drivetrain, battery voltage, and electrical system before ordering.

Installation & System Matching Notes

Before installing the MY1030 motor conversion kit, check the following:

Motor and Battery Voltage: Confirm that the selected motor voltage matches the battery system.
Controller Configuration: The kit includes a controller selected according to the motor configuration. Do not replace it with another controller without checking electrical compatibility.
Mounting Dimensions: Check the vehicle's mounting space, hole positions, bracket position, and mounting strength.
Sprocket and Chain: Confirm the selected motor sprocket, chain standard, rear sprocket, sprocket adapter, and chain alignment.
Throttle Installation: Check that the selected throttle type suits your handlebar or pedal installation arrangement.
Temperature Protection: The KTY83-122 sensor requires compatible controller support, correct wiring, and appropriate protection settings.
Output Shaft Thread: The motor shaft uses an M8 × 1.25 reverse thread. Check the thread direction before removing or installing shaft-end hardware.

The MY1030 motor has an IP54 protection rating. Avoid immersion, deep-water operation, and high-pressure water cleaning.

The exact wiring pinout and wire sequence should be confirmed using the correct wiring diagram. Do not connect wires based on color alone.

Professional installation is recommended if you are unfamiliar with BLDC motor wiring, controller configuration, or chain-drive alignment.

Key Hardware Features

Built as an upgrade rather than a like-for-like spare: the sealed shaft, the cooling fins and the serviceable Hall sensor are what make this electric scooter motor upgrade hold up to hard use.
Sealed output shaft: water, grit and mud stay out of the bearing end on wet tracks and dusty circuits.
Integrated cooling fins: the housing sheds heat on its own, so there is no separate heat sink cover to buy or fit.
External Hall sensor: reachable without stripping the motor down, so a sensor fault is a repair rather than a replacement.
Upgraded materials: stronger output than the motor it replaces, in the same mid-drive format.

Temperature Sensor & Heat Control

Inside the housing sits a KTY temperature sensor that reports how hot the motor is running. That reading matters most on the builds that work hardest: a kart run back to back on a warm afternoon, a Razor doing hill repeats with an adult rider, a drift trike held at part throttle for a whole session. If your controller or display accepts a temperature input, the signal gives you early warning instead of a dead motor; if it does not, you can still check the figure after a hard run and adjust gearing, load or ride time. Either way, this electric scooter motor upgrade hands you information a plain replacement motor simply does not.

Sprocket & Chain Options

Before you buy electric motors for a rebuild, count the teeth on the sprocket you are replacing — this is the detail that keeps the swap simple.
25H 11T: the lightest of the five options, typical of compact ride-on drivetrains.
T8F 11T: the chain used on many electric scooters and mini bikes, and the usual match for those frames.
#35 9T: one tooth below the standard #35, giving lower gearing and more pull on hills or with heavier riders, at the cost of some top speed.
#35 11T: the standard #35 ratio and the balance most kart and mini-bike builds are after.
420: available on request for heavier chain setups — tell us the tooth count you need when you order.

Build Applications

Build	How it fits
Electric go-karts	Mid-drive power for kart chassis that need more pull than the stock motor
Drift trikes	Short-geared builds where the motor runs hard and heat builds quickly
Mini e-motorcycles	Compact frames running the 72V 3000W configuration
Electric dirt bikes	The electric dirt bike motor upgrade for Razor-style frames and similar mini bikes
Razor-style ride-on rebuilds	Direct replacement on chain-driven ride-ons where the original motor has failed
Repair and replacement jobs	Change the motor, keep the battery, controller and chain you already run

Technical Support & Model Matching

Not sure which motor suits your build? Our team helps you match a brushless motor or complete kit to your voltage, wattage, sprocket type and controller, so the parts work together from the first ride. We can advise on sine-wave controller pairings for Hall motors, sprocket and chain compatibility, and temperature-sensor options for builds that run hot. Need a base-mounted version or a different power rating? Just ask. We also guide installation, wiring and basic fault-finding once your order arrives.

FAQ

Will this motor fit my Razor MX650 or MX500?

Yes. The MX650, MX500, SX500 and RSF650 are the Razor frames this unit was designed around, and they are the electric dirt bike motor upgrade we are asked about most. Before ordering, check the sprocket code on your machine and decide between the bracket and no-bracket versions — send us a photo of the old motor if you would like us to confirm the match.

What do I need to use the built-in temperature sensor?

The sensor sends a live motor-temperature reading from inside the housing. To use it you need a controller or display that accepts a temperature input and the matching connector, so tell us which controller you run and we will confirm whether it can read the signal. Without that input the motor works normally — you simply lose the live reading.

Should I order the motor with the bracket or without it?

Both versions are the same motor with different mounting hardware. Choose the bracket version if your frame uses a bolt-on mount and you want the unit to arrive ready to fit; choose the no-bracket version if you are reusing an existing cradle or making your own mount. Send a photo of your current mounting and we will check it with you.

Which voltage and power configuration should I choose?

Every configuration uses the same brushless motor, so the choice comes down to your build. Start with your battery pack — the motor voltage has to match it — then pick a power level your controller can feed. Heavier machines and hillier routes suit the highest option in the range, while lighter frames run happily on the lower settings. Tell us the machine and we will point you to the right one.

How difficult is the installation?

It is a mid-drive swap on a chain-driven machine: mount the motor, align the sprocket and chain, connect the phase leads and the Hall connector, then set your controller. Anyone who has changed a motor or a chain before can manage it with basic tools — allow time to check chain alignment and tension before the first ride.

Is there a bigger or smaller version of this motor?

The same mounting platform carries across the ratings, so you can move up or down the range without changing your bracket or sprocket setup. If you are comparing brushless motors for sale in other ratings, match the voltage to your battery pack and the current to your controller first — the headline watt figure alone will not tell you whether a unit suits your build.

About Us

⚡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

After-Sales Service

📌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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