I have a Merc 60 Bigfoot, 3-cyl outboard fitted with NGK BP8H-N-10 plugs. I
think my plugs look too "wet" much like the third one shown in the photo on
the NGK website.
http://www.ngksparkplugs.com/techinf...200&country=US
Although the motor runs pretty smoothly. I running with a 130 degree
thermostat. What should I look at adjusting?
Chuck