what model yanmar could this be?

[California]

I think you are correct.

But as I recall he was one of only a few who were familiar with these. He might still have the specs for major repairs.

 

[clemsonfor]

I think he was in the suit. Seems strange that many of these guys who were legit were still in the lawsuit, guess cause they did not put all that safety crap on them when they sold them?