wells i have not had any problems out of my new 2013 biella 150 cc scooter yet other than the first ten miles the headlight bulb went out .. but i have installed better lights in front an underneath the scooter for better passer by vision .. also i broke my bike completely down before riding it ... inspected every screw every line ..because come on people we bought cheap... but i run the best product i can get .. in this i mean better oil ..royal purple 12 $ a quart ... but it only holds 1.. also better spark plug ..also boat fuel meaning non etythnol gas ... an same with rear end fluid... purple power .. i"ve had my scooter only 3 weeks but me an my wife have put over 1100 miles on it yes one thousand one hundred miles of just out having fun .. i often inspect bolts an fluids because like i said before its a cheap chinese scooter but just like any thing take care it will last .. i also read entire book an followed instructions an break in rules to the T SO IM SORRY IF YALL HAVE HAD A BAD RUN WITHYOURS BUT SO FAR I LOVE MINE AN THERE ARE A TON OF PLACES TO GET PARTS ONE IS ATVSCOOTERSTORE.COM i also alone have gotte my 150 cc up to 75 mph no tweaking to the motor has been made either it started going faster after 500 miles after break in period was up i believe i owe that to the great products im using ...
