If you change any setting and make it different from what it was originally (factory settings), then hold +- down at the lcd screen, then click the M down (one clit at a time) to change setting number. Within each setting number, 1-17, there are sub-numbers characterizing different functions. You can follow each setting and make it identical to the photo’s below for a factory reset.
Is there a place where I can take my bike for service
Yes
429 Spadina avenue
Best,
How to unlock the throttle???