No.
Not knowing the brand of outboard in question, the best answer I can give would be in the 50 - 75 lb range.
75-150 lbs
75 hp
Chrysler outboards prior to 1965 require a 24:1 ratio. Those manufactured 1965 and later use the 50:1 ratio.
75
It may weigh about 75 pounds
It may weigh about 75 pounds
75 kgs
75 kg
75
12 pounds on the Moon.