Razor E300 Scooter 350W 36V Speed Controller+Twist Throttle w Key Kit

Regular price $37.99

Shipping calculated at checkout.

Razor E300 and other sooters - upgrade to 36 Volts:

Twist Throttle with KeyLock Switch & Battery charge indication
Controller 350W 36V

100% Original

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IMPORTANT: This kit will only work with 3 batteries (36 volts). You will need to add a 3rd battery to your scooter. 
                       You will also need a new charger. We can provide batteries and chargers at discounted prices.



Control box (speed controller) specs:
Dimension: aprox 3.25" x 2.5" x 1.5"
Weight: 9 OZ
Brand: Yiyun
Model: YK31C

This speed controller features connection terminals for: 
- Battery
- Motor
- Charger
- Lock / on-off switch
- Brake (will shut off motor)
- Battery charge indicator
- Tail lamp

- Throttle


Twist Throttle Specs:
- 36 Volt battery charge indicator
- On/Off Lock Switch (to be used with speed controller)
1 Throttle with indicator and on/off lock switch, 1 extra grip, 2 keys


- Brand new

Electric Bike scooter twist throttle accelerator

Compatible with 36V E-scooters (using 5 wires on the speed controller).

Fits standard 7/8 inches (22.2mm)  handle bars

Cable length is approximately 40 inches

- Includes 4 parts: Throttle, 1 extra grips, 2 keys

Wiring instructions:





connects to


Voltage 5 to 0 Volts


connects to

Black or Yellow



connects to

Green, Blue or White

Speed Adjusting Signal (0 to 5 Volts)


connects to


Controller's Lock or Anti-theft cable


connects to

Black or Orange

Controller's Lock or Anti-theft cable


We also sell other electric scooter parts and mini Bikes 
Most orders ship same day from our warehouse 
Warranty: 12  months from purchase date. We will only replace motors that do not work out of the box.  We test all motors before shipping. We will not replace burnt out motors.


In the very unlikely event that your item is lost or damaged during post, then WE are responsible and will issue either a full refund or replacement.


If you are not 100% satisfied with your purchase, you can return the product and get a refund or exchange the product for another one, be it similar or not. restocking fees may apply.

You can return a product for up to 30 days from the date you purchased it.

Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.