as bb says if its the 2 stroke oil your worried about (which you should be)then just make sure your two stroke tank is never empty its under the seat at the back and if its gear oil your talking about then thats on the left side of the bike (as you sit on it)and there is a drain bolt and filler bolt there they take about 100ml of ep 80/90 hypoid gear oil dont use any other oil in this as it can froth and leak as the volume increases as some oils have alot of detergents in them.
adam bike doctor, June 2010