Just changed the oil in my lawnmower. not sure if I've ever changed it in the 8 years I've owned it.
Yooper_Alana
says
i don't think i knew you were supposed to change the oil on a lawnmower... 
brianjgreen
says
every three thousand miles?
I'm in lockstep with you, I guess I should follow your lead here...
I did you mange that? Mine won't run unless I change it at the beginning of the season.
I meant "how did you".