Yeah I saw that thread and heard of a few other problems with the big
HPDI's. I had been thinking of maybe buying a 250 HPDI next year to

I had about six engine failures on my 200 DPDI counter rotation twins before I
finally got them right. Four on the port and two on the starboard, this is not
a nice feeling singleing it in.
Four were oil injection problems and two water in fuel on a boat less than a
year old.
The yamaha factory warranty holda about as much water as the tiny water
separators on the engines.
A shade tree mechanic finally got them half right and the guages have never
worked properly. These motors are made to sell and that is about it.