I have a Mercruiser 190HP, 6 Cyl on my boat and unless I let the boat idle for a few minutes after cruising, the engine will continue to chug and run after I turn the key off. Sometimes it can be for as long as 20 Seconds. I am pretty good mechanincally, but I don't know where to start. Any...
I am definitely new at this, so please excuse me if this is a stupid question. I have a 1974 Johnson 70HP that has not seen alot of use over the years. I want to make sure that the water pump is working correctly. When I hook the enginge up to a flush unit I get water out of several outlets...