The correct gap is 0.024"
.035
The spark plug gap for a 2003 Mercury 125hp outboard motor is .040"
The correct spark plug gap for the 1982 model, 9.8 hp Mercury outboard is .040 in.
spark plug gap for a 1996 mercury 30 hp outboard motor?
What is the correct spark plug gap setting for a Mercury outboard 2003 200 HP EFI
The spark plugs on a 1988 model, 70hp Johnson outboard, should be gapped to .030in.
The required spark plug for a 50 hp outboard engine would depend on the make, and year model of the engine.
The 1998 model, Yamaha 250 hp outboard, requires an NGK BR9HS-10 spark plug, gapped to .039 in.
For a 2005, Mercury 3.3 hp outboard, a NGK BPR6HS.
A Mercury outboard will run well with a plug gap of .035 - .040 in.
Ngk bpz8h-n-10
.03