Why does the motor not work and have no response?

Please check whether the electric lock wire connection is correct and the voltage is normal. Since both the controller and the motor are high power, so the requirements for discharge are also high, please make sure your 48V is fully charged.

Why does the motor made noise , or the throttle did not respond?

First, check whether the values of High Throttle and Low Throttle are set appropriately. Second, you can increase the throttle acc step in Fardriver (See above). If the above steps do not resolve the issue, try performing a self-learning process.

Why I can't find my controller and bind it in the Fardriver app?

Please make sure the controller is powered on first. Please place the device close to the controller and make sure that the positioning permission and the permission for nearby device.

Does the motor heat up quickly?

It is normal for this kind of motor to heat up. It is normal for the temperature to be below 100°. If it exceeds 100°, please stop using it. The motor is too hot when working, please do not touch it with your body. Avoid burns!

Why did the motor suddenly stop rotating after it started?

Because of the large power controller, the one-time output current of your battery is too large, which turns on the self-protection. charge your battery for a few minutes.

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Kunray 48V 2000W Brushless DC Motor Kit 5400RPM with 45A Fardrive Controller 6.9N.m Go Kart Electric Motor with Temperature Sensing Electric Dirt-Bike Motor Kit for Scooter Razor Complete Upgrade Kit

Kunray 48V 2000W Brushless DC Motor Kit 5400RPM with 45A Fardrive Controller 6.9N.m Go Kart Electric Motor with Temperature Sensing Electric Dirt-Bike Motor Kit for Scooter Razor Complete Upgrade Kit

Product ID: 651688736

Details

Brand
Kunray
Horsepower
2000 Watts
Manufacturer
Kunray
Speed
4300.0
Voltage
48 Volts

⚡2000W high-power output

🔄Max 5400RPM brushless motor speed

🌡️Temperature sensing for motor safety

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24575159₫

Duties & taxes included

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Ride the future: Power, precision, and protection in one sleek motor kit!

SMART HEAT DEFENSE - Built-in KTY83-120 temperature sensor protects your motor from overheating—ride worry-free.
REAL TIME RIDE DATA - Half twist throttle with digital display keeps you informed on battery and error status for smarter rides.
POWER MEETS PRECISION - 2000W brushless motor delivers unstoppable torque and efficiency for any terrain.
UNIVERSAL DIY UPGRADE - Compatible with e-bikes, scooters, go-karts, and more—perfect for the modern maker’s custom build.
SMOOTH CONTROL MASTERY - 45A sine wave controller with self-learning function ensures ultra-responsive, reliable acceleration.

The Kunray 48V 2000W Brushless Motor Kit combines high-performance 2000W output with advanced temperature sensing technology to prevent overheating. Featuring a 45A sine wave controller with self-learning capabilities and a digital half-twist throttle, this motor kit offers smooth, efficient power delivery up to 5400RPM. Ideal for DIY enthusiasts upgrading electric bikes, scooters, and go-karts, it ensures reliable, high-speed performance with real-time monitoring and broad compatibility.

Specifications

ASIN	B0D97FGVMW
Best Sellers Rank	63,569 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 4 in Scooter Motors
Brand	Kunray
Country Of Origin	China
Customer Reviews	5.0 out of 5 stars 1 Review
Horsepower	2000 Watts
Included Components	48v 2000w brushless motor kit with bracket
Manufacturer	Kunray Official
Manufacturer Part Number	MY1020-WG-KIT-F-482000
Number of items	5
Speed	4300.0
Voltage	48 Volts
Wattage	2000.00

Reviews

A**R

A must buy

Great piece of kit I modified a mobility scooter that’s now rockets along

4.03.2026

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