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  1. P

    Still running hot, please help .

    OK, I will look into it a little further. There was a lot of corrosion inside of the thermostat housing. I may need to really clean the sensor and try that direction. Thanks again
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    Still running hot, please help .

    Ok, thanks!!! Makes sense. I will try the sender 1st as it is pretty cheap.
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    Still running hot, please help .

    There is one on each side of the thermostat housing that only has one wire attached.
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    Still running hot, please help .

    so yours was reading high as well.
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    Still running hot, please help .

  6. P

    Still running hot, please help .

    Is the sender the one on the left or right side of my thermostat housing? Thanks for all the help by the way!!
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    Still running hot, please help .

    Ok went to Oreilly Auto Parts and bought IR temp gun. Took boat out and ran her for a good full hour and still running right at 169 - 170 on gauge. I shot the top of the thermostat housing several times and it was around 144 to 145 every time. I shot the manifold on top of the engine and it...
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    Still running hot, please help .

    So I should measure that from the thermostat housing
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    Still running hot, please help .

    1995 Sea Ray 220 open bow with Mercruiser 5.7 carb Alpha 1 Gen II / 200 original hours in fresh water boat that is new to me this season. > Test drive and 1st trip out on lake were pretty short trips and boat operated as should. I did not pay a lot of attention to temp, but I recall it...
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    Thermostat ?

    I just thought it was weird that they they offered me either and said that Mercury said I could use either. Is there any advantage/ disadvantages to running 20 degrees hotter?
  11. P

    Thermostat ?

    Replacing the thermostat on my 1995 Mercury 5.7 . It came out with142 degree . Should I go with a 160 or stay with stock
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    Where to start? Mercruiser Overheat / Thanks

    Well, I replaced the thermostat but I did not clean out the housing very well as I was in a pinch. There was lots of corrosion down in there. I am an open cooling system. I will take the housing back off and see if I can clean it out a little better. I did notice lots of corroded pieces of...
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    Where to start? Mercruiser Overheat / Thanks

    I replaced the Thermostat but I did not clean out the housing very well. I was very corroded and had lots of gunk down in there. I will pull it back off as I still had the same problem after installing the new thermostat. It wants to run at about 169 degrees and I currently have a 142...
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    Where to start? Mercruiser Overheat / Thanks

    Thanks for the direction. They did provide me with an invoice, they charged the seller $454 for the install of the water impeller and $199 for the overall mechanical / safety inspection. Would the thermostat cause this? By looking at the bolts, it has never been replaced. This is a fresh...
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    Where to start? Mercruiser Overheat / Thanks

    1995 Searay 220 Mercruiser 5.7 Alpha 1 ( only 200hrs ). 2nd time out on the water and boat has started to overheat at idle. As soon as you start to up the RPM -it will cool right off and runs fine. As soon as you start to idle, the temp will slowly start to overheat. The boat had set for two...
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    Fuel Hose with Small Cracks

    Yea, they told me that it was a pretty big project and the hose was pretty expensive. That is what I was wondering is if it could get me through the season. I will probably just go ahead and bite the bullet and get one.
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    Fuel Hose with Small Cracks

    Well, I am considering it. I have had 3 back surgeries and while I am getting close to a full recovery, I am trying to watch what I do. It looks like it runs under the floor but I am sure I could take some stuff apart and gain access.
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    Fuel Hose with Small Cracks

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    Fuel Hose with Small Cracks

    Just bought 1994 SeaRay 220 w/5.7. Engine runs great. Just had mechanical inspection and they pointed out some dry cracking to the fuel fill hose. No leaking coming from the hose, just some dry cracking to the outer coating on the hose. How critical is this to replace. They quoted like $600...
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    New to Forum / New Boat / Selecting the correct prop

    So would you recommend me going to a place that will let me try out all of the props 1st then? That is what I need to do, but I live an hour away from the closest prop shop.
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