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
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.
Any motor should get spark with or without gas in it. The ignition system works off electronics and does not require fuel for it to work. Yes you should get spark.