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Try battery first check with digi. volt ohm meter, but yes it could be module.

Razor Crazy Cart... | Answered on Jul 26, 2019


Thoughts -
No/poor connection between power source and motor
Motor failure
Only someone with their hands on the bike can fully diagnose.

Razor Cycling | Answered on Jun 29, 2019


Hi, Anonymous for this scenario you will need your service manual, parts fiche, and owners manual if you can't find the best tool you ever bought for your Razor, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
https://www.google.com/search?q=Fuse+box+location+Razor+Dirt+Rocket+MX500&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiM34n6mJviAhURheAKHSXGD8IQ_AUIDygC&biw=1440&bih=757
https://www.youtube.com/watch?v=saGHHj0CaB0
http://hostmaster.skissle.com/razor_motorcycle_manual.pdf
http://manuals.monsterscooterparts.com/recreational/Razor/manual-razor-mx500-mx650.pdf
https://www.manualslib.com/manual/627248/Razor-Dirt-Rocket-Mx500.html

Razor Dirt... | Answered on May 14, 2019


Hi,
You'll need to remove the keyswitch itself & either take it to a locksmith to have a replacement cut from the barrel
or
replace the entire keyswitch with a compatible replacement unit.!

Razor Cycling | Answered on Mar 30, 2019


Either the cheap lead acid batteries are near dead (mostly due to improper maintainance (lead batteries are way too much trouble and lithium should be considered!)
There could be a loose or corroded connection - check on all your wiring, especially the ones to the motor.
Also where it goes into the motor is fragile and people bump that area and it rips the wire, there is a steel spring that surroiunds the wire/s and this sometimes shorts out because of the damaged cause from laying the bike on it's side. check these wires over and tug on the connector wires to find the weak connection. Also verify that your charger turns red indicating it is charging when attempting to charge the bike, if it stays green chances are a dead battery or BMS controller inside battery (Lithium only!)\
Most repairs are very simple if you take the time to check out the connectors and wiring, especially if you use it in bad weather, things get corroded from being wet and power shorts out then corrodes the wires and connectors.
Good to insulate them for the rain etc...
Think Im on the right track here, and i have many ebike because people dont know how to fix simple issues with a tester.

Razor MX500 Dirt... | Answered on Mar 24, 2019


you could have several different things wrong to cause this. Batteries not charged or can't charge due to bad one, bad motor, bad control module, or bad connection in wiring in one or more places. My grandson's mx650 worked fine for a dozen or so charge cycles but then started with intermediate starting problems. The power light was red and the full light would be green but switch to low amber light and back and forth on its own with no motor response when was on low amber light. He had been running it in wet conditions a couple of times and am sure that was what caused the problem which after taking the battery panels off and examining closely found what was wrong. This problem caused the intermediate starting and stopping and also would not let batteries charge right. I moved wiring while looking at the green light and amber light and found when touching the fuses connections is when lights would change. looked at all 3 30 amp fuses and 2 of them was burnt and pitted. You could see the ark in low light at the fuse when you operated the throttle, that turned out to be a good test to see what was wrong and what caused the fuses to become pitted. I sanded the fuses and clean since they were not blown and used dielectric grease in the connection and that seems to have fixed the problem. I also used the grease in some of the other connections for good luck. The bike charges now like is supposed to and the throttle lights are ok now, no more going from green to amber when wanting power. I would say the running in wet conditions is what started the problem and washing off the bike with a hose would do the same thing.

Razor MX650... | Answered on Feb 12, 2019


First try and see if those battery were dead and try a different kind. If that doesn't work notify the person you bought it from or the store about it and ask for a trade in.

Razor E100... | Answered on Jan 29, 2019

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