Chrysler motors any good?

I found this boat on craigslist and the guy wanted 500 but I talked him down to 400. It has a Chrysler 75 hp motor and I have heard mixed reviews about them. Anyone here have any first hand experience with them? Here's the ad

https://richmond.craigslist.org/boa/2500349181.html

I have a 78 6hp, haven't had it long, but I asked the same question awhile Back and people who have had them seem to think they are descent motors overall. The problem is parts, they are pricey like my impeller for $50. I probably would have passed on mine but I got a good deal and was able to get a identical parts motor for cheap. I would look up some common parts like impellers, coils ,ect. just to check availability and pricing. I would hate to spend 400 and not be able to repair anything

I'd run from it. Poor design IMO