Champion J8C
What is the correct spark plug gap setting for a Mercury outboard 2003 200 HP EFI
The correct spark plug gap for the 1982 model, 9.8 hp Mercury outboard is .040 in.
The correct spark plug for the 1991 model, 200 hp Mercury outboard, is a NGK brand, BU8H.
The spark plug gap for a 2003 Mercury 125hp outboard motor is .040"
A Mercury outboard will run well with a plug gap of .035 - .040 in.
The correct gap is .040 in, for a NGK BPZ8H-N-10 plug.
The correct spark plug gap for the 2004 model, 40 hp Mercury outboard 2 stroke is .040 in.
spark plug gap for a 1996 mercury 30 hp outboard motor?
What is the spark plug gap for a 9.9hp mercury outboard motor
Brand: NGK Plug No. BP8H-N-10 gapped at 1.0mm (0.029")
For a 2005, Mercury 3.3 hp outboard, a NGK BPR6HS.
The plug gap for a 9.9hp Mercury outboard, ( all models ), is .035 - .040in.