Question about Razor MX350 DIRT ROCKET - BLUE

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Razor 350- Does not run

It has been sitting for quite a while and does not run. The battery appears to charge, the red light is on first and then it turns to green. The light aqt the throttle also says full charge. When you turn the power on you can here a click inside so it appears to be getting juice, but when you hit the throttle it does not go anywhere. I pulled thefront piece apart to make sure all the connections were okay and check the fuse, that all looked good. Any suggestions?

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  • Matt Sehenuk
    Matt Sehenuk Apr 06, 2009

    have the same problem. solution found yet??


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We were having the exact same problem bought this machine a year ago it ran one time and not again. it would click but nothing else would happen the battery tested god we disconnected the brakes and it works! hope this helps you!!!! yayyyyy

Posted on May 09, 2013

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I am having the exact same problem.... Mine is 1 month old talked to razor they are sending me a new charger... I know that is not the problem because I have two chargers and and both show green. I need help as well.

Posted on Jan 04, 2011

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1 Answer

It will not run it just click

Most likely, the last 2 answers are correct. When you charge the battery, does the light on the charger stay red for several hours before turning green? Check the voltage of the 3 batteries after the charger light turns green. It should be 39-40 volts or so no load. Turn the throttle and see if the voltage drops when the relay clicks. You can connect the batteries directly to the motor and it should go full speed if they are good.

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My son has a Razor 350 electric dirt bike he was driving it & it just stopped. It's fully charged green light for battery. I chked plugs & battery is good, throttle wires are disconnected how to I...

Disconnected where? If the wire came out of the throttle your hall sensor is probably mangled and you will need a new throttle. Any other damage just splice it. Did the wires come off the plastic connector at the controller?

May 24, 2014 | Bicycles

1 Answer

When charging my light stays red does that mean its charging

Some chargers have 2 LEDs (lights), some have one. Both chargers have an LED that is red (or orange) when the charger is charging a battery and turns green when the battery is charged and the charger has dropped back to trickle charge mode or off.
On the charger with two LEDs , the extra LED is normally red to indicate the mains power is connected.

Sep 10, 2013 | Razor MX500 Dirt Rocket

1 Answer

How will i know if its my batt or motor on off switch lites up red but nothing happens

Lift the rear wheel up off the ground and apply the throttle, while watching the throttle lights. If the throttle light goes from green to yellow or red it shows that the battery voltage is dropping under a light load because the batteries are low in capcity - not holding much charge. Most battery places will load test the batteries free of charge to confirm this.
Have a look at the trouble shooting guide here
and the wiring diagram here

Jul 30, 2012 | Razor MX350 DIRT ROCKET - BLUE

1 Answer

When then batteries are charged, i turn on the switch and the red and green light are on, then i pull the throttle and the yellow light flashes once. whats might be wrong?

The battery voltage is dropping under load, as indicated by the throttle light changing from green to yellow. Likely you batteries need replacing. most battery shops will test them for free to confirm they need replacing.
battery replacment guide and other trouble shooting information is avilable here

Jun 28, 2012 | Razor MX350 DIRT ROCKET - BLUE

1 Answer

Low battery backup

Have a read of the trouble shooting guide here,

It sounds like a fault with the charger. Test the charger output with a voltmeter to confirm correct operation. IF OK then check the wiring , fuse, switch conections between the charger and the battery.
wiring diagram is here

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6 Answers

I was given a mx350 that has been sitting in a garage for a year I charged it for 8 hours but it does nothing the light comes on to show it has power but when i turn the throttle nothing no sound or...

If it was working before it sat, then it is almost certainly the battery (these kinds of batteries suffer if sitting and not fully charged). If you had one, or could borrow a voltmeter, you could check the batt. Also, lots of car part places like NAPA can test batteries for you.

Hope that helps

Jul 18, 2011 | Razor MX350 DIRT ROCKET - BLUE

1 Answer

Wont charge tryed a new charger think its the battery can i replace the battery ?

Razor E100 batteries are easily replaced & there are guides on how to this on, genuine Razor batteries are available at most good Razor product stockists.

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