Mercury 15 hp spark pkug gap

[kingfish]

Have a mercury-late 70's N

Have a mercury-late 70's NGK plug BPR8HS. Anyone know the correct gap for this? TIA

 

[galamb]

"Michael, need to figure what

"Michael, need to figure what you have there first off.

Merc didn't start building the 15 horse until 1988 - the earlier 15 Horse Mariners were built by Yamaha.

Once we know what you have, can give you the gap..."