engine cuts off but when i restart it works again. At the shop everything was fine. The technician at Yhamma dealer that i went to check didn't do anything at all, i told them about the problem and they told me to change the seal. There was no using of a computer or software run to check anything. Within 2 minutes they figured out the problem. They said my aerox 2109 model has an older version of seal with short length of wire but the one they are replacing has a long wire and it is the new version. They even said all the bike that are out now has a new version and mine is an older version.
so i was a bit skeptical about it and asked another workshop, some said it was a wiring problem, and others said throttle switch problem. so, I'll go to another Yhamma dealer.