If it's a Briggs, don't change the oil at all, when it blows, put on a new motor, they are cheap anyhow. /forums/images/graemlins/smirk.gif /forums/images/graemlins/smirk.gif
Get a Honda replacement, they have a provision for oil drain and will las at least 2 seasons.
Daryl
Forage Services, L.P.