bought a 1991 merc 150 w 14.25 /21 pitch prop motor runs wot4900 rpms have a 19 pitch prop on the way should this help me reach 5500 5600 rpms ? any tips or suggestions are appreciated on 17' trophy cntr console rated for 90 hp max gps shows 50 mph at 4900 rpms now
this past summer i spent 500.00 trying to figure out why my motor would stall at 5000 rpms after 1mech 2months of trying parts and 500.00 i told my mech to call the factory for answers 10 mins later foundout there is a second fuel pump off a25 hp johnson that takes away gas vapors a 25.00 part...
