hety guys agiain, i was gunna change oil some time soon, probably done 1000km on it or so lol, friom new, btw, but i have a 900ml, or 1L bottle of castrol 20w-50 or 40 id have ta go check, but anywayz, how much oil do i need to put in, i have a 2008 lifan 125cc engine, on a motoworks pro series...