Ah......didnt think of that....so it works both ways, too much oil and BAng, too little oil and Bang........Doh!!!! okay is there anyway of telling if the bike is getting enough OIL???? Plug chop etc etc.... same wqay your looking after me, i wana keep the 18 going..... Doh!! I guess i should keep this in mind when i get the 21 jetted.. later this year...Thanks guys