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    2016 Merc 150hp outboard intermittent rough running issue

    As stated, every once in a while, the motor will run like it is in guardian mode. All I have to do is bring it back to idle and start out again and it stops for a while. It doesn't matter if I am just barely moving or on plane it happens either way. I don't think it is water in the gas because...
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    2.75's are they just bad designs?

    Long time boater, especially pontoons. I have had 4 of them the last had a 496 HO Mag in it. Anyway, we purchased the latest one (2016 Southbay 522 2.75 w/Merc 150 and lifting strakes) few years back pre-loved. We did not get a chance to water test it. For the most part it does the job for us...
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    Mercury Power Pro Verado 350 supercharged "Tuned" relilabilty?

    I am looking at a 2018 pontoon with this engine on it. Assuming it was properly maintained how reliable are these engines?
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    496 water ingestion

    Pontoon boat with a 496 HO Mag. This boat tends to get a lot of water in the bilge the hull design is a bit flawed but that's a whole other issue. The bilge failed on a recent outing and I ended up with the engine bay flooded. I didn't realize it until the boat started getting sluggish I was...
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    Old problem 2007 497 HO Mag Limp mode

    I have posted on this issue in the past but the boat is out of storage now and we have tried, I believe, everything advised to date. Here is what I have. Engine Serial # OW652707 153 hours. Last year it would run ok until I started hitting the throttle then it would hit limp mode. Originally it...
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    Vinyl wrap pontoons has anyone done it?

    I have spent a lot of time polishing the toons or my previous and my current pontoon boat but really sick of doing it but really dislike when they look like crap also. the acid wash helps but just doesn't do it for me. Has anyone had success with vinyl wrapping their toons? I was thinking of...
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    PCM/ECM repair?

    I have a 2009 Soutbay pontoon with a 496 HO Mag in it. This past season I ran into an issue with it going into limp mode. I had m mechanic run the codes. It showed a couple sensors bad. We replaced them. Got it back in the water a couple other sensors where showing bad so we changed those. Still...
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    Is Shark hyde still the prefered polished toon coating?

    I polished my old pontoon boat and applied Shark hyde for our use (sits on a hoist and inside storage 6 months of the year) it lasted fairly long. I would guess 6 years. My current 2007 was polished and had shark hyde applied when it was new. This one was barely used and always warehouse kept. I...
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    How to hold starter bolts

    496 HO Mag. When I pulled the starter out there was something holding one of the bolts in the starter hole. I assume it is because that bolt would be darn near impossible to hold in place and get a wrench on due to its location. What ever it was is gone. What was that? Or what can I use to hold...
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    Which part do you order when there are different available?

    I am trying to order a power steering hose for a 2007 Mercruiser 496 HO Mag. 0W652707 engine ID. Under the parts diagram item number 16 they list two hoses. Neither matches the part number of the part on the boat which is P/N 9030-06. Would also like to order the valve for the power steering...
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    2007 496 HO Mag best starter

    What is the best high performance longest lasting starter for this engine? 0W652707 I am going to have to darn near tear the engine out to replace the starter so want to put on in that is bullet proof or as close as I can get to bullet proof. I only want to do this once if I can help it...
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    New Zodiac two valves leaking air

    Any quick fixes? I have them turned out to seat but still leak air. Tried opposing them quite a few times still nothing.
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    2013 Yamaha 6 HP idle

    Other than putting new gas in it. Any other quick things to check?
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    2007 Mercruiser 496 HO Mag ignition issue

    Out boating tonight pulling kids on a tube. Shut it off and started it several times no issue. Then the last time the gauges all go backwards like reverse polarity to them it did this several times but then the switch went dead, it did no try to start when doing this. There is power to the...
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    2007 496 Mag HO soot

    How much soot is acceptable? When running with the exhaust out the straight pipes I get a lot of soot all around the back of the boat. Its a real pain to get off. Is there something that needs to be adjusted to stop this? Also what do you use to clean the soot? I have been using simple green...
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    power steering pump leak

    2007 496 HO Mag it has the small power steering pump that I had to replace last season. When I installed it had a small leak around the line coming in that I just could not stop from leaking. It was end of the year so I left it until this year. I worked on it again today but can just not stop...
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    1996 yamaha 115 with rebuilt power head question

    The saga continues. There is some back ground to this motor but basically I received a lot of help here on the forums with it in the past. I ended up having a rebuilt power head put on it up here in NY. Tried it on the water a couple times and ironed out some kinks nothing major. It seemed to be...
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    Yamaha O/B mechanic New Smyrna Beach area

    I recently had a new power head put on my 1996 115HP Yamaha. I looking for a good marine mechanic in the area to take a look at it. Its running rough and the over heat alarm came on for a few seconds then went right out. Thinking that might be a stuck thermostat. But would like someone to look...
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    Bringing the old pontoon to Florida, advise?

    Now that I have a new power head on the old toon I am bringing her to Florida. She has always been a fresh water boat so never had to deal with salt water before. I have seen on some pontoons they have a salt water package including something they add to the toons to keep them from oxidizing I...
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    I/O pontoon water in the bilge

    2007 Southbay Trifecta with an I/O. I have been finding in rough water I am getting an inordinate amount of water in the bilge. Enough so that the stock 500gpm pump which is not working at its best (I think the impeller is bad, pumps for a bit then still turns but stops pumping have to give it a...
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