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.
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.
spark plug gap for a 1996 mercury 30 hp outboard motor?
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.
A Mercury outboard will run well with a plug gap of .035 - .040 in.
For a 2005, Mercury 3.3 hp outboard, a NGK BPR6HS.
Ngk bpz8h-n-10
.032