Battery is fully charged, when we turn throttle hear it click, but no motion...where should we start?

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

Charge the scooter and test the volts cheap volt meter. When you hear the clicking retest. If the voltage is way down the battery is bad. If voltage is ok then and electrical component like a relay needs to be replaced. Any small electronic shop can repair it. Also, Google the model and clicking behavior to see if a turn key fix exists.

Sounds like you will have to replace you cylonoid.

put the battery in a warm place for at least 12 hours.
put it back in .
good luck.

Check the battery connections are clean and tight and that the battery is in good condition and fully charged. If you're not sure about the battery, use a fully charged car battery and a set of jump leads to test that the tractor will start OK.

I need help! My son mx650 is charged, but won’t run. Put weight on it won’t move but lift rear tire off ground and runs full throttle

first check the battery output,should be 12.8volts(roughly)then if fully charged and the clicking is still stacato try the starter relay.(thats what clicks)

if the battery is fully charged, one on of a few things could be wrong. Bad solenoid, bad starter, or engine siezed. First two would probally only be around a $70 part.

Check and clean the ground on your battery cable. Also charge battery even if is new. Starters use all the amperage a fully charged battery produces to turn that starter. Make surecables are clean and tight :)

need new battery the click you hear is lo voltage from the battery or at least have it fully charged then load tested at local parts store

hope2help shack