Has anyone had any experience with the new Yamaha 2 strokes? I'm replacing a 175 2 stroke Mercury, which is the max for my boat. It would be nice to stay with the same power and performance and I've heard some horror storys about Mercury Optimax.Yamaha makes a HPDI 175 and a VMAX HPDI 175. 4...
The engine is a rebuilt 1992 175 2-stroke. The engine starts fine,idles fine, part throttle seems fine, but at full throttle it runs good for a few minutes then suddenly dies. It doesn't surge or sputter or anything, just dies suddenly. <br /> The pump ball stays hard the whole time and the...
