mazdeuce wrote: When I was riding mopeds back in the day the word on the street was to run premium in seldom driven vehicles because.....something about evaporation and the fuel retaining quality longer. Any potential truth to this?
It doesn't evaporate any differently but as the octane level drops you have a higher starting point and after many months it won't be weak below 87 octane. I have been running 93 plus MMO in my lawn mower for 3 years on the same 5 gallon can and no problems starting on the first pull.
