There are a couple of options... Coil is number one, Or the electronic box......
spark plug gap for a 1996 mercury 30 hp outboard motor?
What is the spark plug gap for a 9.9hp mercury outboard motor
.040
NGK bpr7hs-10
Ngk bpz8h-n-10
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.
.030
40
A 50hp Mercury 4-stroke outboard motor typically has two spark plugs. This configuration is common in smaller outboard engines to ensure efficient combustion and performance. Always consult the owner's manual for specific maintenance and specifications related to your motor model.
A 50hp Mercury outboard motor typically has two spark plugs. This configuration is common for two-stroke engines, which often use one spark plug per cylinder. If you have a specific model or year in mind, it's always best to check the owner's manual for precise details.