The spark plug gap for a 2003 Mercury 125hp outboard motor is .040"
spark plug gap for a 1996 mercury 30 hp outboard motor?
A Mercury outboard will run well with a plug gap of .035 - .040 in.
What is the correct spark plug gap setting for a Mercury outboard 2003 200 HP EFI
What is the spark plug gap for a 9.9hp mercury outboard motor
For a 2005, Mercury 3.3 hp outboard, a NGK BPR6HS.
The correct spark plug gap for the 1982 model, 9.8 hp Mercury outboard is .040 in.
The plug gap for a 9.9hp Mercury outboard, ( all models ), is .035 - .040in.
The correct spark plug for the 1991 model, 200 hp Mercury outboard, is a NGK brand, BU8H.
The 1999 model, 90 hp Mercury outboard requires an NGK BUHW-2 spark plug, standard plug wires are acceptable.
NGK BPR6HS-10 spark plug. Gap is .040
The 2002 model, 60 hp Mercury outboard requires an NGK BP8H-N-10 spark plug, the gap set to .040in.
The 1997 model Mercury, 225 hp EFI uses a NGK BR8HS plug, gapped to .035 in.
The recommended spark plug for a 1992 model, 200hp Mercury 2 stroke carbureted outboard, is an NGK BU8H. This is a perma-gap type plug, so no gap setting is required.
The recommended gap is .025"
I think its 0.004 inches.
The correct spark plug gap for the 2004 model, 40 hp Mercury outboard 2 stroke is .040 in.