I recently bought a boat from a buddy, its a 1989 Sea Ray 200 Bow Rider and has a 4.3l Mercruiser. I went to start the de-winterization process and apparently he did not winterize it properly. I checked all of the plugs and found that there was a brass freeze plug in the transom so I put that...
The other day I decided to de-winterize my boat that I purchased from a friend. It's a 1989 Sea Ray 200 Bow Rider, 4.3l Mercruiser. I hooked the muffs up to it and was going to let it run for a good 5 minutes and then I was going to change the oil when it was hot. However, both the exhaust...