mercruiser 350

Ok, this one is baffling me a bit. I started the engine earlier this week. No problems. It turned right over. I put in new gas. And let it idle for about 15 minutes docked. No problems. I drove out of the cove, and did about 10 minutes at cruising speed. No problems. I came back, and once I...

Hello, I have water leaking on spark plugs of my Mercruiser 350 MAG MPI (on the starboard of the motor). I've checked the manifold, risers and extensions and they look good. Not sure what else it could be. It seems that it's leaking on the 3rd spark plug from somewhere... Any ideas? Thank you...

Hello group, You have helped me in the past as im a relative novice to boat mechanics so im coming back to the well... I have a 2001 Sea Ray Sunsport 280, twin 350 Mag MPI Mercruiser engines, mechanic maintained, oil change every year etc. So I had it put in on May 7th, drove it about 6...

Good day all! I am looking for help. I have three mechanics and one surveyor trying to figure this out, but still no luck. I have a 2000 310 Sundancer with twin Merc Mag MPIs with V-drives. Only 50 hours on 2018 rebuilds. I was cruising at 3600 rpm when suddenly, the port engine lost power and...

I just purchased 2 new engines for me 290 SLX. I had steering issues and it turns out the only way to permanently fix the problem is remove both engines, replace the transom assemblies and put everything back together. Because it is the same cost to Install new or old engines, I went ahead and...

All, I'd like to get your thoughts. I've been having some issues with my 2001 240 Sundeck with a Mercruiser 350. Background Info: I did have bad gas at the beginning of the season, that seems to be fixed. I've also put in new sparks, oil filter, fuel filter, and batteries. I had the oil changed...

Hello All, I am looking at purchasing a 2005 260 Sundancer. It’s has 300 hours on the Mercruiser 350 MPI Horizon motor and has been used in salt water, fresh water and stored on a trailer. Boat is in good condition overall. When I purchase I am going to remove and inspect the exhaust risers...

Hi! I have a 1980 Searay 195. I am in the process of rebuilding it and am getting to removing the existing engine. While disconnecting all the hoses and cables, I noticed that there was a long rusty crack just above the oil pan. So after doing some research online, I notices that people suggest...

I need some advice. i'm a newbie and purchased a 2007 amberjack 290 (in 2010) which only had about 20 hrs. No problems starting No problems with idling No problems with cruising Problems of stalling when maneuvering at low speeds...i've been lobstering and at about the 9th trap (low speed...

I just purchased a 1974 SRV 240 hardtop from Lake Tahoe, CA yesterday. The boat has been about 80% restored and was a well taken care of boat to begin with. The boat has a GM 350 that is about 5 years old but less than 100 hours on it. I dont know much about i/o's, always owned outboards so...