spark plug advise

[red_chaser]

I have a 70EL77S Johnson outboard.

What brand sprak plug do you guys recomend?
I have the model type on a sticker on the engine but do not know the gap it should have.

Please advise

 

[ezeke]

Re: spark plug advise

Champion QL77JC4 at .030.

http://continuouswave.com/whaler/reference/BRP/SparkPlugChart2008.pdf