20 Most Recent Razor E300 Scooter Questions & Answers


You don't say what brand e300, buy the connections are corroded. Doesn't matter how good it was taken care of previously. Being left out in the rain is all it took. This is why electronic devices TELL YOU to not expose them to moisture...
No telling which circuit board is fried, but if you solder, you can replace them one by one to find out.
But TBBH, for the time, aggravation, and cost, just go buy a new one if the original cost anything under $100.
If you paid more than $100 for it, call your local RC shop and ask who does repairs.
Could be your rotors (most likely - copper rusts by breathing on it), or a board connection. Rotors are not hard to replace if you can solder.
JMO, but if it is of value, always supervise kids when you let them "PLAY" with it...But hopefully, lesson learned all around. Best of success to you.

Razor E300... | Answered on Jan 25, 2018


These scooters have a speed controller system that will only power the motor if you get it moving about 5 mph. It won't start moving from a dead stop.

Razor E300... | Answered on Jan 25, 2017


Depends, some tabs are directly soldered to the batteries themselves so you will need a soldering iron to remove the tabs. After that, it wouldn't be too hard to remove and replace.

Keep in mind that these take 2x12volt batteries and these lead-acid type batteries may take a long time to charge depending on the current your charger is supplying.

If you plan to charge the two batteries with the stock charger, then you would have to wire the 2 batteries in series for 24volts (stock charger 24v) and for convenience you may also want to head out to your local electronics store to see if they have the female socket that the charger goes into, and possible some wire, connectors/tabs that attach to the batteries and possible some small alligator clips if required.

Razor E300... | Answered on Dec 24, 2016


If the batteries are connected correctly (red to +, black to -) then the motor is trashed

Razor E300... | Answered on Jan 25, 2016


you can do anything you want if it is yours . but it may not work as you hope it will

Razor E300... | Answered on Oct 16, 2015


Well how long between runs and stops? Batteries can be bad even with 12+ volts on a meter with no load. Is the on/off regular like the controller cycling, or irregular like a damaged wire? The hall sensor in your throttle could be causing it, if it's loose or not working properly. You can open the throttle with a socket and a screwdriver. Check all wiring, check the batteries under load. If you say more about the frequency and duration of the stops and run periods it would help.

Razor E300... | Answered on Jun 16, 2015


I have no experience with the E-300 though the circuits are similar,
as shown by the link below.

Could be the battery.
Put the Scooter on a block so the rear tire is raised. Remove the standing plate to reveal the battery compartment.
Charge the Unit completely

1. Using a multimeter measure the voltage across the batteries. If the voltage is below 20 volts batteries are dead - Replace batteries.
2. Now for a running test. Turn the throttle and spin the rear tire to preform a kick start. Still measuring the voltage. If the voltage is Below 20 volts or if the voltage drops quickly batteries are dead - Replace batteries.
3. If the voltage is remaining around 24 volts for a long period - then you could have connector problems, clean and tighten all connectors.
I use a fiberglass electronic cleaning brush, as contact cleaners leave residue that interfere with electrical connections.




Yahoo Image Search Results Page

Razor E300... | Answered on May 03, 2015


Bulging battery means u have to replace it, the plates started to oxidize and pushes the everything out!

Razor E300... | Answered on Feb 27, 2015


The scooter uses batteries specifically designed for deep discharge applications. If your new batteries are not lasting then they may only be suitable for standby or backup type applications like for your house alarm system or garage door opener when the mains power goes out.

Razor E300... | Answered on Feb 27, 2015


No. We get batteries from a local supplier and they work just as well. are by far the most common problem with razors because people dont keep them charged.

Razor E300... | Answered on Feb 27, 2015


I purchased my batteries on E-bay. Selected the highest rated with a Square trader warranty. Delivery time was 4 days, new was was going to ask.

Delivered to my house for$21.00 with both batteries, charged and ran perfectly. Extended Warranty was also offered but declined.

Batteries still working great 6-months latter.

Razor E300... | Answered on Dec 05, 2014


The green light will come on if the charger does not sense a low battery. In other words, if you plug it into the wall, and not the scooter, it will still show the green light. It will only show a low charge (and charge the battery) if it is completely connected completing the circuit. My guess is that the battery is dead, and the plug is not all the way connected. Also, I believe the scooter has to be turned off to charge.

Razor E300... | Answered on Dec 02, 2014


  1. rotate the rear wheel until the hole in the sprocket lines up with the tyre valve.
  2. insert the tyre valve extension through the hole and attach it to the tyre valve
  3. inflate the tyre to the correct pressure (usually 45psi)
  4. remove valve extension and put in a safe place for next time.
Inflating the rear tyre is detailed in the owners manual, which you can download from the Razor web site.
http://www.razor.com/au/products/electric-scooters/e300/

Razor E300... | Answered on Nov 25, 2014


Check to see if the chain is moving when you apply throttle. If the chain is not moving but you can hear the motor working then it is likely the chain has come off the motor sprocket. If this is the case then follow the steps in the user manual to refit the chain and adjust the tension.

Razor E300... | Answered on Oct 27, 2014


The brake adjustment is covered on page 5 of the user manual. There are photos of various band brakes here http://www.electricscooterparts.com/bandbrakes.html
What part of the band brake are you having and issue with?

Razor E300... | Answered on Oct 27, 2014

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