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

Product ID: 651688736

Details

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

⚡2000W high power output

🔄Forward & reverse rotation capability

🌡️Built-in temperature sensor for motor safety

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Upgrade your ride, dominate the streets — don’t get left behind!

SMART TEMPERATURE SENSING - Integrated KTY83-120 sensor protects your motor from overheating, ensuring longevity and worry-free rides.
POWER THAT PROPELS YOU FORWARD - Unleash 2000W of brushless DC motor power for thrilling acceleration and reliable performance on any terrain.
UNIVERSAL COMPATIBILITY EASY UPGRADE - Perfect for scooters, go-karts, dirt bikes, and razor upgrades — DIY your ride with confidence.
PRECISION CONTROL WITH 45 A SINE WAVE CONTROLLER - Experience smooth, efficient, and programmable motor management with self-learning capabilities.
INTUITIVE HALF TWIST THROTTLE WITH DIGITAL DISPLAY - Monitor battery life and distance in real-time while enjoying responsive throttle control for a seamless ride.

The Kunray 48V 2000W Brushless DC Motor Kit delivers high-efficiency electric power with a max speed of 5400RPM and 6.9N.m torque. Featuring a temperature sensor for motor protection, a 45A sine wave controller with self-learning, and a half-twist throttle with digital display, this kit is designed for versatile electric vehicle upgrades including scooters, go-karts, and dirt bikes. Its robust build and programmable controller ensure reliable, smooth, and safe performance for DIY enthusiasts and professionals alike.

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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