The 4 stroke Yamaha outboard requires a quality SAE 10W-40 motor oil.
The dry weight of a 2002 model, 75hp Mercury outboard 4 stroke, is 386 lbs.
Its 4 stroke so 100:0
no
no
The 850 model, 85 hp Mercury outboard, is a 2 stroke engine requiring a 50:1 fuel to oil ratio.
2stroke.
It is a 2003 4-stroke outboard
With a 2 stroke engine, you mix the oil with the gas. With a 4 stroke engine, there are separate tanks for the oil, and the gas.
223 pds
30lbs
170kg