Motor making a grinding noise

Motor making a grinding noise

Motor gears may be damaged, the belt may be under stress, or the frame bearings are damaged 
Lift the kart, both the tracks should not touch the ground.
Slowly activate the throttle and check for the noise. Compare both the tracks
Locate the noise by listening to the moving parts. It could be motor itself or it could be a periodic sound like a nut touching the frame
Check the motor wattage
If you are unable to determine where the noise is coming from contacts us for further troubleshooting

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