A 1987 Evinrude 90HP will weight around 120 pounds
.G
<a href="http://www.argoboat-ny.com"> Argo Boat </a>
There are various models of Mercury 90hp engines with different compression ratios. Typically, compression ratios for a 90hp Mercury outboard engine range from 9:1 to 10:1. It's best to consult the specific model's technical specifications for accurate compression ratio information.
1982 model
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.
It is a 1965 model year Mercury 90HP.
300 lbs
Only the 3 cylinder models from 1987 and up
Anywhere from 300-500 lbs.
A 90hp Mercury outboard, serial number 6114748 is a 1982 year model.
It is a 1965 Model year 90hp
im pretty sure its 50:1 but i would call a local mercury dealer just to make sure
The 3 cylinder model Mercury 90, uses a NGK BUHW-2, or Champion L78V. The 6 cylinder model, takes a NGK BUHW, or a Champion L76V.
The dry weight of the 1984 model, 90 hp Evinrude outboard is 305 lbs.