Reply To: Wizard Powermatic 12 year

[billw]

50:1 is okay because there are no plain bearings in it. That being said, I like to run my old Mercs, which are basically the same thing, at 24:1. I feel like it it’s a safety factor in case of a sudden overheat (What? A Mercury? Overheat? Nah….) and I also feel like it leaves the engine a bit more preserved when I am done running it. It’s been my experience that if your ignition is up to par, plug fouling is not an issue.

Long live American manufacturing!