came on here for advice hurd its good on here i have aerox 70 and it runs well but recently ive noticed like wen top end i can like hear the dunno might be cranks like moving if ya get me like i can hear it going up ad down is th cause my pistons fucked or is it something to do wid variation i had it on me old scooter befor it blew up so should i buy a new piston or do u recognise this problem
