86 fz 600

Hi guys, I bought a 1986 fz 600 for 500 bucks, everything seams good I've put about 100 k on it so far, it has 29 000 on it. I have a few questions, I changed the oil and put in Bel-Ray exl 10w-40. Were is the oil level supposed to be, with the bike not running and up right the mark is...