Quote (Subwoofer @ Apr 15 2013 11:40pm)
without measuring out the gas they give you then you do little more than risk damaging the engine or most likely fouling a plug and then needing tools and a new spark plug.
just not worth the risk of damage just because you don't keep an eye on your fuel level.
I ALWAYS carry at least 3 spare spark plugs and a spanner with me because i know the plugs will foul its just a matter of when so if someone was to give me fuel id assume how much they gave me calculate the fuel:oil and double it because id always rather foul a plug then fuck my engine