1989 Mercury 90hp --- plug/gap info?

[BigMuddy]

I would appreciate any help with the spark plug gap specs.. I can't seem to find the
engine label as the owner's manual states. I have a 1989 Mercury 90hp outboard. (3 cyl)

 

[dlplost]

Re: 1989 Mercury 90hp --- plug/gap info?

Should be surface gap plugs....NOT adjustable...look at one of the plugs.

 

[Texasmark]

Re: 1989 Mercury 90hp --- plug/gap info?

NGK BUHW-2 Surface gap as dip mentioned per my service manual.

 

[BigMuddy]

Re: 1989 Mercury 90hp --- plug/gap info?

Ah- thanks, fellas. --thats prolly why I had such a hard time finding specs.
And yes, this is my first bbq.