Want this question answered?
25 HP is 25 HP, no matter how you slice it and dice it.
depends on the year, probably 50:1, if its an old motor, it might be 25:1
15 hp
A 15 hp game fisher motor is most often a 2 stroke engine. However there can also be a 15 hp game fisher motor that is a 4 stroke as well.
The 25 hp Johnson outboard runs a plug gap of .030 in.
I have a 1973 15ft valco. I run a 25 hp jet. It seems to do fine but I wouldn't go any bigger.
A 15804b is a 1978 motor.
To answer this question the voltage of the motor must be stated.
8-15
20/1
This will depend on the motor. You should ask the manufacturer.
What is the oil to gas ratio for a 15 hp force outboard moter