iv got a little over a year on my original and it will start kinda ok in the winter if i have it in the garage but ill go out to a friends "usually a girls" place and it stays outside till 3am and ill have to jumpstart the darn thing iv ridden it every day since march some time and still ride every day it just cant pull off the real cold starts you get in the middle of the night in idaho winters. anyone know if the battery is warrentied the full two years?