The 1996 model, 175 hp Evinrude outboard spark plug recommendations......
Champion Ql78YC gapped at .030
The correct spark plug gap for the 1994 model, 25 hp Evinrude outboard is .030 in.
The correct plug gap for the 1975 model, 75 hp Evinrude, is .032 in.
The correct air gap is .032 in.
The recommended spark plug gap is .060"
The correct gap would be .030 ln.
Spark plug gap on this engine is .030
.060
The manual states DPR8EA-9
The recommended plug gap for the 1993 model, 3hp Evinrude outboard is .030 in.
.030
.30
The correct gap is .034. Hope that helps.