Spark plug gag for 8.0hp Merc

[Deeds]

I'm not 100% sure of the year (possibly late 80's), but I have champion RL82YC spark plugs. No manual either. Any assistance would be greatly apprecitated!

 

[Bear]

Re: Spark plug gag for 8.0hp Merc

Mercury 8 hp, NGK plugs:<br />84- 8 C (6G1) 2-cyl. B7HS10 BR7HS10 1,0 mm <br />88- U.S.B233200/Belg.9503135 -> 2-cyl. BP8HS10 BPZ8HS10 1,0 mm<br /><br />1.0 mm is 0.039370079 inch or .04 isn't it?

 

[ob]

Re: Spark plug gag for 8.0hp Merc

That's correct Bear.4/100 or 40/1000 approx.