What water pressure and rpm's should I be running? 1995 Yamaha Pro-v 150 hp 2-stroke with 25p 3 blade SS prop. Running 17-20psi at around 5200 - 5400 rpm. Water pressure drops to about 17 at about 5400 rpm but 5200 and below at 20 psi or better.
What rpm's and water pressure should be...
