Thanks Guys! It's ironic but I just heard a rerun of the Under The Hood Show which is mostly about cars but this subject was brought up. These car guys recommended changing oil at the end of the season because the old oil had contaminates that could promote internal problems over a period of...
Averaging around 100 hours on my mower each season, I have always changed the oil and filter at the end of the season before winterizing my machine. I have never had an oil related problem but recently an acquaintance insisted that the oil should be changed at the beginning of the season...