1964 90-S Starflite
This depends on what kind of prop is used and how much slip in the water it has.
The approximate weight of a 90hp Chrysler outboard motor is 280 pounds.
25 or so I would guess. My tri cruiser with 90hp Honda goes 23.
your probably rated for a 40HP
146 Kg's Dry.
I expect the motor to sputter to life any second, now... The clerk was so exasperated, he could only sputter.
.030 .030
300 lbs
Look at the manufacturers plate on the boat for max HP and or weight. If there is none either call them or consult a marine engineer or body and get a rating tag fitted. My two previous motors on my 16 footer have been 90hp and 115hp.
A 1987 Evinrude 90HP will weight around 120 pounds .G <a href="http://www.argoboat-ny.com"> Argo Boat </a>
I have a 1984 90hp Mercury outboard and the fuel mixture is 50:1 which is one pint of 2 cycle motor oil for every 6 gallons of gas.