Spark plugs 1978 mercury thunderbolt 70hp

[AJ in NH]

I have NGK BUHW on my outboard I went to mercyryparts.com they say to use QL-76v which is equivalent to BUZHW, Now I am confused. because NGK BUHW is equivalent to Champion J6C S. S which Spark plugs should I use?

Thank you

 

[imported_ohno_mrbill]

Re: Spark plugs 1978 mercury thunderbolt 70hp

Check this site out. You can look up your motor and be sure of the correct plugs !
http://www.ngksparkplugs.com/

Good luck.