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Air filter being sucked into manifold
CaptAhab	#1  Posted on 09/17/13 - 4:58 AM
Member Posts: 3 Comments: 0 Joined: 09/17/13	Im new to blog, I have a 2009 montauk 190 with 30 to 40 hours. After launching the boat, and trying to accelerate, the engine stopped and was acting like tit was starved for air. It hasnt stated since. On Continuous wave they state this is a known problem (apr 2011). Has anyone here had this problem, as I cant find if if Mercury has addressed this recently?
scrfasteddie	#2  Posted on 09/17/13 - 5:18 AM
Member Personal Page Posts: 21 Comments: 2 Joined: 08/07/12	The filter material on the 2007 115 merc that was on my 190 Montauk did that. Didn't ever ingest enough to kill the motor thou. I cleaned all the old foam off and covered it with an Oregon chainsaw prefilter foam ring. Fit like a glove. Was about 5 bucks compared to $60 for the replacement filter. Any saw shop has there foam filters, take the filter housing with you and fit one to it. I had to trim a little for a perfect fit. A little RTV around the ends and your be good to go. 2007 Montauk 190 - 2013 150 Merc 4stroke
CaptAhab	#3  Posted on 09/17/13 - 6:13 AM
Member Posts: 3 Comments: 0 Joined: 09/17/13	Thanx for the info, Im going to contact the dealer later today, to see if Mercury will help out.
waco72	#4  Posted on 09/17/13 - 7:06 AM
Member Posts: 42 Comments: 0 Joined: 10/25/08	I had the same problem with my 2008 90 Mercury. It sounded like it bogged down and I got a warning alarm but then it corrected itself within a few seconds. When I checked under the cover I discovered 2 perfectly circular holes in the the air filter where the material was sucked in. When I called a few Mercury dealers about it I was was told that it is a maintenance issue and to just replace the filter which I did. No problems in last 200 hours. Good luck.
Tom W Clark	#5  Posted on 09/17/13 - 7:34 AM
Member Personal Page Posts: 4280 Comments: 7 Joined: 09/30/05	It's not a maintenance issue, it's a known defect. Mercury has a service bulletin out for that very problem. Ask your dealer for the updated filter material.
oldnstoked	#6  Posted on 09/29/13 - 6:13 AM
Member Posts: 16 Comments: 0 Joined: 08/31/13	I can't believe that mercury doesn't have a clear explanation on why this happens. I had the same problem 2008 90hp 4 stroke. I have taken the filter of for now. A lot of people have said as I have that it is getting oily and sticky also. I cant be good for this material going through my engine ( pistons, valves, exhaust , etc ) i hope to hear that someone had received a good response from Merc. I haven't.
butchdavis	#7  Posted on 09/29/13 - 4:19 PM
Member Posts: 838 Comments: 0 Joined: 11/22/11	What is the purpose of an air filter on an outboard engine? Inboard engines I've seen with the exception of some diesels do not use air filters. They use spark arresters which keep large matter from entering the engine although that is not their purpose. In my boating area, at least, I would not use an air filter. If that is a bad idea please enlighten me. Butch
CaptAhab	#8  Posted on 10/01/13 - 5:48 AM
Member Posts: 3 Comments: 0 Joined: 09/17/13	Update, After taking my boat to chesapeake whalertowne, and having a compter analyze the situation immediately upon arrival. There was a fuel line that broke. The harness from the engine well into the engine loosened. The tilt and trimming eventually broke the fuel line. after inspection, only the smallest traces of the filter were being taken into the air system. A new filter ($95.00) with metal mesh has replaced the old edition. All work was under warranty and free. Richard Jerns, the serv mgr, was fantastic. He had predicted a fuel problem over the phone. The serv tech steve, was also great, he went above and beyond, with his diligent inspection, finding a futer problem (IAC, "valve?") had developed dry rot, replaced. The filter was being eaten up externally, possibly by ethanol vapor. The experience with the dealer was great. My warranty will expire 3/14. So the break- down was a stroke of good fortune. Thanx to everyone for thier input.