.030
Johnson 6hp spark plug gap
The 25 hp Johnson outboard runs a plug gap of .030 in.
1984 Johnson 6 HP
.030
The spark plugs on a 1988 model, 70hp Johnson outboard, should be gapped to .030in.
.030 .030
The plug gap for a 70 Johnson would be .035 - .040.
The recommended plug gap for the 2000 model, 4 hp Johnson is .030 in.
The plug gap for a 94 model, 50 hp Johnson is .030-.035 in.
The correct plug gap for the 1971 model, 6hp Johnson outboard, is .030-.035 in. It requires a Champion J6J, or NGK B6S.
The spark plug gap for a 2003 Mercury 125hp outboard motor is .040"
spark plug gap for a 1996 mercury 30 hp outboard motor?