My boat has a 1989 Yamaha Pro V 150. I would like to fit a water pressure gauge for this motor and need to know what sort of pressure (in PSI) I should have under normal conditions. I need to know this in order to choose a suitable gauge.<br /><br />The motor seems to have good water flow...
I live in Sri Lanka and I have just imported a fully rebuilt 1989 Yamaha Pro V 150 from USA.<br />What are the DOs and Donts during running in?<br />What is the duration of running in?<br />What should the oil : fuel ratio be during running in and what should it be after running in is complete...
