92 rm 250 fork problem

hey hows it going guys i was just wondering i got a 92 rm 250 i took it for a ride and the forks seemed fine then i changed my front tire and the next day i went in the garage and there where oil on the side of my forks and a puddle on the ground just the one side and it seems like my bike is a little lower in the front but my suspension doesint seem soft or nothing just wondering if its just the outter oil that leaked out any help plz :bang:

just wondering if it was because i didnt put the forks parallel and thats y they leaked do you no the easiest way too change the oil with out dissasembling the hole thing