I am going to Loch lomond (not that it matters where ) and I am taking my 1987 Mariner 25hp 2st a 10 1/2" and a 13" pitch prop to try out (I know big difference ) but at least it will give me an idea if neither are right, what sort of max RPM am I looking for with this motor 5>5500?
) and I am taking my 1987 Mariner 25hp 2st a 10 1/2" and a 13" pitch prop to try out (I know big difference 
) but at least it will give me an idea if neither are right, what sort of max RPM am I looking for with this motor 5>5500?
