Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 33A 15 Mosfet Controller, Power Display LCD Throttle, Electric Scooter Motorcycle Mid Drive Motor, DIY Par
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FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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Availability:
In Stock.
Arrives
Monday, Nov 17
Size: 48V 2000W
Style: 48V 2000W
Features
- Kunray MY1020 Brushless Motor Features: Electric Brushless DC Motor, Aluminum Body, Full Copper Coil, Heat Resistant, Naturally Air Cooled, Low Noise High Quality More Long Life.
- Motor Type: Brushless DC High Speed Motor, Voltage 48V, Power 2000W Max, Current 42A, Rated Speed 4300rpm/min, With T8F 11Teeth Sprocket Chainwheel.
- About Controller: 48V 2000W 15 Mosfet 33A Brushless Motor Speed Controller, With Hall Sensor, E-Brake, 3Speed (Low Mid High Speed), Reverse, Indicator Light And Power Lock Functions.
- LCD Handlear Twist: 48V Lithium Battery LCD Screen Handlebar Throttle Twist Grips, With Power Indicator, Ignition Lock, Twist Throttle Accelerator 3 in 1 Function Handlebar Grip, With High Quality Rubber Grips, More Comfortable.
- Application For: Electric Scooter, Motorcycle, Go Karts, E Tricycle,Mid Drive Motor Kit, Complete Set,DIY Engine System, Cycling Part,And More.What You Get: 1pcs Motor, 1pcs Controler, 1pair Throttle, And Manual.
Brand: Kunray
Speed: 4300 RPM
Voltage: 48 Volts
Horsepower: 2000 Watts
Material: Aluminum
Is Discontinued By Manufacturer : No
Product Dimensions : 6.54 x 4.02 x 4.33 inches; 13.23 Pounds
Item model number : Kunray MY1020
Date First Available : July 31, 2018
Manufacturer : Kun ray
Best Sellers Rank: #50,292 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #2 in Scooter Motors
#2 in Scooter Motors:
Customer Reviews: 4.1 4.1 out of 5 stars 212 ratings
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Nov 17
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View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Size: 48V 2000W
Style: 48V 2000W
The media could not be loaded. I have only received the motor/controller and am in the process of installing this system but it is being put in my own design so it will take a while for a comprehensive review. for now, I thought I would do the review on what I know. The motor and controller came in protective foam wrapping and box adequate for shipping. While there are nicks/scratches on the motor just like the product description states. these are cosmetic and are not going to affect the performance. If it bothers you the motor is nicely polished and a simple buffing can resolve it. I wish they had included mating connectors for everything. These are not STD that I can tell so for my project I will have to cut the ends and remark the cables and would surely void any warranty on the controller. Having mating connectors can prevent that. Once I have my project completed I an probably help supply a schematic that most people may be interested in using. What is odd the brake light and indicator light both show 48V output. That is a high voltage for lights, normal LED/lights for vehicles are 12V so will interesting to see if I can find lights or a way to step that down. Also, it is not clear if that changes to 60V if the SM 48V/60V wire is connected. Also, there is a reversing signal pigtail. Not clear how that is setup, but I assume a simple NO connection will do. I will edit this post as I find out more things, but for now the motor/controller was as expected. EDIT 3/6/2019 Added 2 photos and a video. I am building an Electric mower and using this motor to power. While some will say it is under powered for the job. I intend to show that most electric conversions have been grossly over powering the electric motor. You really do not need that much. First a image of the original mower, had a 18-20hp Twin Cylinder engine that I got after a son drained the oil but had no replacement oil and left with friends. Dad came home and mower yard and burnt engine up. Chassis is in perfect shape. The video shows a test spin, with no load. It was running about 1/4 throttle. As you can see the chain was loose so I did not run it fast. I am working on a chain tension system and better motor mounting. Again, this was only a test. The third picture shows where I made my mistake of only using the bottom mounts, When I put the wheels on the ground the motor and torque literally bent the motor mount. Fixable though. Some points on my setup: 1. I am currently running my mower on (2) 24V - 2ah electric drill batteries connected in series. Once I get the motor mounted and wired I will build a more appropriate battery stack. 2. REVERSE: For reverse all that is needed is to wire a flip switch into the connector. When flipped turning the throttle gives you reverse. It is that simple. That is it for now. Next steps are to look into the braking system and brake lights, ect. Since there are no opposing connectors, I have to replace and rewire all of the connections. Someone asked a question about the throttle graph not working. It DOES. But you have to provide over 42V. If not, it will only display the battery symbol and bottom bar of power. That is the indication that the battery is dead. I am also planning to provide a complete set of plans on using this motor for a conversion if anyone is interested.
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Reviewed in the United States on January 29, 2019 by Ranbo Ranbo
Size: 48V 2000W
Style: 48V 2000W
The media could not be loaded. Bought a E dirtbike off of Amazon was advertised as a 500 W dirtbike top speed of 15 mph. The bike was slower than a razor MX 350 but appeared much larger so did some research. Bought this kit along with a lithium ion battery and the difference is amazing. I will try to upload a video for a comparison just to what the bike does now compared to a stock MX 350 razor this is not about insulting razor what so ever. The MX 350 is a excellent choice of bike for the money.It’s just a general comparison so you can see what the upgraded motor and lithium battery does to a E dirt bike
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Reviewed in the United States on October 5, 2025 by Tim c. Tim c.
Size: 48V 2000W
Style: 48V 2000W
I should start this off by saying that I am limited in my practical knowledge regarding electric motors and controllers. so instead of trying to piece a kit together, I bought this kit, after some difficulty with the battery supplier regarding a charger, I finally got to test my setup (custom bike). Worked like a charm with no load... until I tried to ride it. Hopped on put it to 3 and eased er into it, notice. tried 1 and 2 still nothing. maybe its my gear ratio so i bought another gear and tried it again. It moved!!!! not more than walking speed no matter the phase level. Got maybe 200 feet before everything stopped working. Key on-off nothing. turns out walking speed overheats the controller so that's cool. Just don't do it save your money get a real kit that doesn't overheat its self. now i have 300$ worth of trash.
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Reviewed in the United States on August 21, 2021 by Grayson G.
Size: 48V 2000W
Style: 48V 2000W
Easy to install! Install book very helpful. Very well built. Had to reverse direction of the motor. Great price. Just what I needed for the upgrade. Thanks for making it painless. Love it.
Reviewed in the United States on July 10, 2025 by Michael L. Michael L.
Size: 48V 2000W
Style: 48V 2000W
I was all set then relized the motor spun clockwise, no big deal i thought. I'll just swap the phase yellow and blue like my RC car motors, no dice...the motor would not turn. After some faild online searching for a solution and emailing the manufacturer in china, i came across a video from India which said to (in Hindu) swap the green and yellow Hall sensor wires on the motor connector and swap the phase yellow and blue ..... brilliant, works as should but counter clockwise. So far so good, haven't had a load on it yet but everything works!! Would have been nice to include those details in the instructions as an option, it would sell more and save some time. Update 4.7.21: still going strong with some heavy abuse by the kid and myself. Definitely the motor to go with for dependable fun. Wish they made a 5000 watt application.
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Reviewed in the United States on June 2, 2020 by ramsey ramsey
Size: 48V 2000W
Style: 48V 2000W
Ended up putting this setup in my mini bike and it works great! I needed a new sprocket to match my existing #35 chain (the one it came with isn't the correct pitch). For reference it's a dual d bore or double d bore where its flat on 2 sides and rounded on the other. I also had to switch the direction of the motor to clockwise in order to work in my setup. There's other reviews mentioning this and a video you can find online. It consists on switching 2 motor wires and switching 2 of the motor phase wires. With a 10T front and 75T rear, I'm getting about a 23-25mph top speed. I'm also using a 48v 13.5ah battery and getting about 30-60 minutes of run time depending on the environment.
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Reviewed in the United States on December 2, 2020 by Rob
Size: 48V 2000W
Style: 48V 2000W
i bought this to help my Razor MX650 pull me along! i’m a 200lbs man and the stock motor just had enough power to get me going! it would not be able to pull me on the slightest incline! this 48volt/2000w motor is a huge upgrade! i can ride the razor up inclines and able to get to 20mph! very happy with this!
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Reviewed in the United States on February 24, 2025 by Cris J!