The correct gap would be .030 ln.
300 lbs
A 25 hp Evinrude outboard, model number E25TECUR, would be a 1987 year model.
Only 1987 - 1996
The Suzuki 115 hp uses an NGK B8HS plug, gapped to .035in.
50/1
factory spec 398 lbs
The cylinder compression for a 1987 Evinrude 60 HP outboard motor typically ranges between 90 to 110 psi for each cylinder when properly tuned. It's important to ensure that all cylinders have similar compression readings, as significant deviations can indicate issues such as worn rings or cylinder damage. Always consult the manufacturer's specifications for the most accurate information and perform a compression test for precise assessment.
.045
what is the spark plug firing order on a 1900 dodge Dakota and the number one spark plug located on motor and rotor
The Eska Outboard motor was manufactured from 1961 - 1987 in Dubuque,Iowa. I posted a link with more info.
.042-.046
This engine should have a VRO pump and if it has been bypassed the mixture is 50:1