If the governor vane had more or less seized on its pivot, and you've freed it up and oiled it, it may work properly now.
This thread started out as a mower identification and has gradually morphed into a repair process. Let's see what happens - if it continues as a repair thread I'll move it, but if someone belatedly comes in and tells us which major brand made the Craftsman store brand, it will be confirmed as a mower identification.
