[bradford]

I do a lot of horse trading and sometimes people can get their feelings hurt. Some deals are better to do with an actual cash price. I agree that if he was super concerned he should have checked it out himself, plus maybe you were running it around the last time with low compression and it just didn't show. In the end if it makes you feel better offer him something to sweeten the deal a little to show you're not a jerk, but don't go overboard.

EDIT

Thinking about it, he should have figured the motor was close to shot I think, and anyone buying an old corroded motor would assume any defects that could go wrong, especially those who know and work on boats. So basically I think its his problem, but if you like him see what he might have in mind. Y'all can work it out and someone you like and trust to work on your boat is like gold.