I have a chance of buying a Evinrude 25 but the guy that is selling it doesn't know the year it was built he thinks it's a short shaft but
i just bought a 40 hp johnson. i dont know if it is to big for for my 12 foot tinny. how do i know? i currently have a 25 hp.
Going by the 15 year old motor it likely has the 16 amp stator. You never want to put dissimilar batteries in parallel you would be better off putting
While it is true that exhaust leak can cause this it is not always the culprit. The intake needs unobstructed air flow and sometimes "critters"