I have a Mariner 40hp manual start, twin carb, thru-prop exhaust and of course no serial number tag.
The only numbers I can find are on the round tag(C01542).
67604, 67603 #'s on the side of power head itself.
And (6E900).
I've tried matching this up on various websites and cannot figure out...
"I'm having a lot of troub
"I'm having a lot of trouble trying to figure this out out. My evinrude 30hp will only overheat while in low rpm. I can run it wide open for a day and a half and when I reduce throttle to idle or neutral, the alarm will sound. And it won't overheat if I manage to...