The spark plug gap for a 2003 Mercury 125hp outboard motor is .040"
spark plug gap for a 1996 mercury 30 hp outboard motor?
What is the spark plug gap for a 9.9hp mercury outboard motor
whereiscrank case oil drain plug on 1998 mercury 9.9 4 stroke
.040
The size of the engine is not mentioned, but most Mercury outboard models situate the drain plug on the lower half of the port side cowling. Have your funnel and or drain pan ready when you remove that plug! Also be careful not to drop the sealing washer off of the plug, fwiw, the manufacturers recommend replacement of this washer.
NGK bpr7hs-10
Ngk bpz8h-n-10
It is on the clamp bracket and also on the motor it looks like a freeze plug where it is stamped on the motor
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.
It is on the clamp bracket and also on the motor it looks like a freeze plug where it is stamped on the motor