I just purchased a pontoon that has a 40 hp 4 stroke Mercury outboard. I normally burn rec gas in all my small engines. Does anyone know if this engine, being fairly new, would benefit from the no alcohol in the fuel. I will always make sure that the last couple of tanks before storing is rec...
Thanks for the reply. I’ve already purchased the Mariner manual from this site, I will order a water pump rebuild kit and instal it. It looks like a pretty straight forward job that I should have no problem doing. If anyone has any more suggestions , I am eager to learn the Mariner 70hp 3...
I inherited a Mariner 70 hp outboard that I am told ran great when it was last used 3 years ago. I removed spark plugs a gave each cylinder a shot of kroil penetrating oil let it sit for a day, put it in gear and could easily turn it over by hand turning the prop. Is there anything else that I...