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  1. J

    Trim pump fluid

    I have a 1999 5.0 L merc with a trim pump. Slightly low on fluid. The dealer told me to use oil or transmission oil. I searched threads here and some have said power steering fluid. Currently there is a red fluid in he pump reservoir. What would be best to use and least harmful if I mix?
  2. J

    Fender Lines

    I do not have a railing around my boat. I have Perko fender lock hooks. I have two questions. Where do I find short fender lines 8 - 12" long. The current fender lines have a woven loop at each end. Can't seem to find them anywhere. Second question is a more practical one. With this type of...
  3. J

    5.0L Merc Cooling system

    Is there a drawing of how the cooling water flows from the lower end, through the pump, engine, exhaust and back out? I have a thru hull exhaust. I am use to outboards with a tattle tail indicating everything is fine.
  4. J

    Newbie question - Flame arrestor

    I have a 5.0 L Merc EFI engine. I took of the plastic flame arrestor cover off for the 1st time today and notice that there was one air hose hooked to a rear fitting on the side of the arrestor, one hose hooked to the bottom of the arrestor, and then there is a 3rd fitting on the side of the...
  5. J

    Must Have technical Info

    Miscellaneous Mercruiser Information Here is a link to Mercruiser service bulletins from 1981 to 2002. Click on the year for the index of bulletins for that year. This was originally posted by Bt Doctur Service Bulletins Has anyone had difficulty getting this info with this link. I only get...
  6. J

    Spark Plugs

    I have a 1999 5.0 Merc with an alpha 1 gen 11 drive. How often do you recommend chnaging the spark plugs and wires? It starts great, runs without a miss, etc.
  7. J

    5.0 Merc EFI - Alarm Self Test

    I had the boat winterized including engine oil change, fuel filter change, and drive oil change. Now the self test 3 beeps doesn't work when ignition is initially turned on. Any ideas what they could have done? Service was done at a Merc Dealer. Thanks
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