The 1989 model, 25 hp Mercury 2 stroke outboard, has a dry weight of 112 lbs.
size and gap of plugs
.040
100 psi to 140 psi.
What is the Mercury 3.5 Hp four stroke valve clearance?
Three ounces of Two-Stroke oil per gallon of gas
50 to 1
The 2 stroke, 25 hp Mercury outboard requires a 50:1 ratio, this is roughly one pint of 2 cycle oil, to six gallons of fuel.
The 2 stroke will be faster because of differences in Waite but more polluting be it oil mixed with fuel
The dry weight of a 1994 model, 15 hp Mercury 2 stroke engine, is 71 lbs, for all models.
alot
12 kg