What’s the correct tach “setting” for a '04 Johnson/Suzuki 140? It’s a teleflex systemcheck tach. “4 CYL”??
Baker
Old, beat up 17’ McKee
EDIT Nevermind - it’s 6P. “Read the instructions” 
that was going to be my suggestion
all the new tachs i know of come with a little sheet telling how to set.