Razor Cycling - Page 2 - Popular Questions, Answers, Tips & Manuals

Razor E300 chain adjustment fix

Loosen both rear axle nuts, pull wheel back but keep it straight in the frame. retighten bolts

The cable may need to be adjusted, or the carburetor needs to be adjusted.

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Take it back to Walmart

Contact nearest Polaris dealer, they bought Razor

Check the battery voltage right after the charger shuts off. Should be around 13 volts on each one. Short the power switch contacts and if that helps replace it. Check that the motor and wheel turn freely and dont make noise. Check all the contoller connectors. Sometimes they melt and the connection isnt good. You can always connect the batteries directly to the motor and if it goes full speed then you need what razor calls an electrical kit which has a throttle and controller.

What model? razor was purchased by Polaris. Contact Polaris dealer for assistance

I had the same problem and it was my charger that did not work

If the serial number is on the frame near the rear axle its May 1958. If the serial number is on the frame under the headbadge its April 1967.

I think you can a new dirt bike charger easily on Amazon or on the razor website. Be aware of how you use the battery though, it is the same idea for a lot of mobility equipment (electric scooters, electric wheelchairs, electric bikes, and etc...). You need to use the battery PROPERLY. For example, charge them from time to time, don't leave them there for a long period of time just because you don't need to ride out your electric dirt bike. Your battery's longevity will get hurt. Also, protect it from water and dust. I learn a lot more about outdoor sports equipment on this site: https://mobilityseeker.com/.

Bearings frozen? Belt loose? Is scooter turned on?

A green light means the battery is charged.

Have you tried removing plastic chain guard and making sure chain is not off track i had this problem and that is all it was.

Change the settings on the fly rod

rpm to high in gear stop that your going to break it

Well if it's missing fuses obviously it won't run. When you turn it on does the green light on the throttle come on? if you have a voltmeter that would help. Are you sure the charger is good? if so you want to see 39 volts or so across all 3 batteries. Sometimes the switch contacts develop excessive resistance try shorting them with your screwdriver... if it runs you need a switch. can you hear the controller click when you turn the throttle?

put the brakes on

This could be a few things: 1) Your clutch plates may have worn out so that even when the bike is in gear, it will just rev, but no power will be transmitted to the drive shaft (smaller front chain sprocket is the driving gear, larger rear sprocket on the back wheel is the driven gear) 2) The front chain drive sprocket has come off under the cover on the motor - if the chain is really slack, have a look. 3) The front chain drive sprocket SHAFT has sheared. (basically, meaning that the shaft has broken into two parts as it couldn't handle the drive power (torque) being delivered through it to the chain drive) With the motor on, listen for grinding noises internally when you rev, from the vicinity of the front chain drive cover. If its rough and grindy, the shaft may be sheared. Then with the motor off, take the cover off and leverage the small chain drive sprocket away from the motor with a screwdriver, and see if the shaft can just be pulled out of its sealed opening. Unfortunately with these bikes, the metals used in drive shafts and motors are not always heat-treated or hardened to the standard they should be, so shearing and premature failure can happen. 4) The gearbox or something in it has blown, unfortunately for the same reason above, quality related. Its fair to say that these great little bikes are here for a good time, but not for a long time.

Stripped freewheel or chain off of gear.