Arrma buggy gearbox troubleshooting

after 10 minutes run, buggy is stopped with breaking sound, i thought spur gear or motor is gone, cuz this is a new 1/8 brushless motor setup, but i find something else !! maybe this video will help you guys
#Arrma
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[@pabloascobar9045]

Good work

[@microwolf798]

I also had the same problem. thank you!!!