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How To Fix An Electric Scooter Throttle In 4 Simple Steps

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It is recommended that you routinely maintain your electric scooter.

However, it reaches a point where you have done everything but the gadget never seems to work. 

I have been there and can attest that it is a deeply disheartening position to find oneself.

You are there cracking your head…What could be the problem with my ride? Do I really need to fix the motor? 

Well, ask yourself no further.

Your throttle could be dysfunctional.

It’s high time to fathom how to fix an electric scooter throttle using the simplest steps we will provide in this blog post. 

How to Test if the Throttle is Functioning

You undoubtedly know that you cannot fix a scooter throttle without knowing if it’s the component with the problem, right?

Well, the best starting place is to test it in dead-simple steps:

  • Have a power source on standby
  • Fully charge the electric scooter batteries
  • Twist the throttle and see if the lights, display, and speed come on
  • If the display doesn’t switch on, it could be a problem between the throttle and controller’s connection
  •  Turn off the electric scooter and remove the circuit breaker or fuse
  • With the help of a multimeter, connect 4.5 volts of Direct Current to the throttler’s positive terminals (red wire)
  • Connect the -ve terminal (black wire) to 4.5V Direct Current Ground 
  • While using a voltmeter, fix it to the blue/green and black wire
  • Replace the circuit breaker or fuse and switch on the e-scooter
  • Twist the throttle so that the motor can start
  • If the motor doesn’t turn, then the throttle has a problem and needs to be fixed.

Reasons For an Electric Scooter Throttle Not Working

If an electric scooter throttle is not working, then it can be an indicator of the following:

  • There are loose connections on the controller
  • There are loose connections from the connectors leading to the throttle
  • The throttle is faulty.

How Do I Fix the Throttle On My Electric Scooter?

From the test done above, you could have concluded that the throttle isn’t working.

Below are our tested and proven tips and tricks to get it working. 

vector graphic showing how to fix an electric scooter throttle

1. Thoroughly Check Your Throttle

You desperately need your senses of touch, smell, and sight here.

To start off, you need to ascertain if the wires are firm.

Gentle shaking of the wires and wire connectors after opening the top deck lead will get you started. 

If the wires or connectors fall out, then the first problem to fix with your electric scooter throttle is by gently tightening any of them to ensure that they are in the right place. 

Secondly, smell for any burnt smell.

If you can’t find any, you will as well need to keenly check and see if there are any signs of any burnt product.

If there is the sight of a melted component, then the throttle is mostly overheated. 

More often than not, you have to replace a melted throttle if optimum riding is to be achieved. 

The first step towards an electric scooter throttle repair is by using your senses to check if there is any problem with the connections or if the physical state of the throttle has been affected.

2. Check the Display

If there are no visible signs of physical damage to the throttle, its wires, or wire connectors, then it’s the right time to proceed and see if the lights and speed display twist the throttle. 

If they don’t then the problem lies with a faulty connection between the controller and the throttle.

You can inspect all the wires and connectors between the controller and the throttle and fix the loose, damaged, or improperly functioning ones. 

We also recommend you read: How to Fix Electric Scooter Problems like a Pro and Troubleshooting other electric scooter parts.

3. Turn On the Motor

If after turning on the e-scooter, you notice that the motor turns, then the problem lies with the throttle. 

If the motor doesn’t start at all, then inspect the battery and the ignition.

If the battery is not functioning properly, then the failure to provide sufficient power could cause the throttle to fail to work in the best way. 

If the battery is okay, how about the charger?

You may need to check whether it charges the battery to the optimum.

One great way to do it is by plugging it into power and checking if the indicator lights come on. 

If they don’t, then it is faulty.

The same case applies when the indicator lights are blinking.

Have a multimeter with you and check if the recommended voltage comes up.

If it doesn’t, then replacing your electric scooter charger is inevitable. 

4. Repair/Replace the Affected Parts

At this moment, the chances are high that you have identified what the problem with your throttle is. 

If the problem is with the components of the throttle such as the wires and wire connectors, then you can shop for the affected parts and replace them. 

If the throttle is melted and cannot work, you are left with no chance but to buy another and replace it.

We have illustrated how you can replace the accelerator below.

If the charger or battery is faulty, then you can shop for another to avoid straining the throttle or contributing to its total death.

Lastly, if your electric scooter parts such as the throttle are under warranty, then communicate with the seller to have them repair the exact parts that aren’t working to the entirety.

If not, you can identify an electric scooter repair shop and have them look at your gadget and repairing where necessary. 

This is, of course, if you are busy or cannot fathom how exactly to do any kinds of electric scooter repairs and fix yourself. 

Frequently Asked Questions

Let’s dive into some of the most commonly asked questions about how to fix an electric scooter’s throttle mechanism.

How can I do a quick electric scooter throttle replacement?

If you have an electric scooter throttle not working problem and you weren’t able to repair it, then replacing it is the only and best choice for you.

If you would like to replace your plug and play throttle with the thumb type, follow the basic procedure below:

1. Get a fix-it stick and 3mm allen
2. Have an air pump. It will be useful to remove the handlebar grip
3. Stick air in the hole located at the grip end’s hole
4. Tilt the grip until you remove it
5. Loosen the brake lever
6. Get the 3mm allen to loosen the LCD display, then unplug it
7. Unplug the old throttle and gently plug your new thumb throttle into you scooter
8. Slide back the LCD, tighten the brake lever, handgrips and lastly the thumb throttle.

If your ride doesn’t come with a plug-and-play throttle, then the electric scooter throttle replacement procedure is somewhat different from the above.

1. Get a throttle with the same design as the older one
2. Open the handlebar grip with the help of an air pump
3. Loosen the handlebar grip
4. Take apart the throttle screws
5. Cut the wires leading to the older throttle
6. Check the colors of the older throttle and
7. connect them to the respective ones of the new model
8. Solder the wires and insulate them.

The images below show how I cut throttle wires from the EMOVE Cruiser and soldered them:

Depending on how your throttle looks like, cut the wires as shown above
image showing a circuit board - how to fix an electric scooter throttle
Solder those wires with the respective ones from the new throttle

Razor electric scooter throttle not working: How can I fix that?

If your Razor electric scooter throttle is not working, then the best choice for you is to replace it.

Replacing a Razor scooter throttle is different from most adult rides as you will have to operate within the deck.


1. Open the deck
2. Remove the screws and the bracket holding the cables beneath the deck
3. Carefully cut the zip ties holding the cables to the stem with a pair of scissors
4. Trace the cable coming from the throttle all the way to where it’s plugged beneath the deck and unplug it
5. Loosen the throttle at this point and again, loosen the handlegrip
6. Fix your new throttle and take the handlebar grip in
7. Tighten the throtte and return the throttle cable to its position then plug it back
8.Secure the cables as they were.

In Summary: How to Fix Throttle On an Electric Scooter

Without the optimal functioning of an electric scooter throttle, then you are deemed to fail to enjoy a smooth ride with your e-scooter. 

Fortunately, fixing it isn’t complicated and if you feel like it is, there are lots of electric scooter repair shops near you to necessitate a seamless repairing ordeal.

Always do regular maintenance to your e-scooter to keep it running the best way it ever can. 

Also Read: Making money with your e-scooter

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