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  1. Mark72233

    Mercruiser 5.7 Mag MPI quits if it idles too long

    I have a 2005 Searay 260 with a Mercruiser 350 Mag MPI 5.7L. Last year it started quitting if it idled too long. That time varies. It can idle or run at low rpms (600rpm up to 1500) for 15-30 minutes with no issues but sometimes without warning after low rpms it will drop down to less than...
  2. Mark72233

    72 Thunderbird Formula w/twin 165hp Mercs

  3. Mark72233

    Alarm sounding and engine goes into Gaurdian mode at 3600rpms and above

    Sorry for the long post. A little back story. Bought the boat (October 2017) from brother in law who bought it new. Ran it a lot with no issues until around February 2018 when this problem started. Boat is a 2005 SeaRay 260 SunDancer with a Mercruiser 350MAG MPI, 300hp attached to a Bravo 3...
  4. Mark72233

    1979 22' Starcraft SuperSport V5 Restoration

    Thanks dj, do you think the 1/8 or 1/16 will be the better choice
  5. Mark72233

    1979 22' Starcraft SuperSport V5 Restoration

    djpeters, I like the idea of the rubber gasket. Where did you get it from.
  6. Mark72233

    Does anyone make this part for a 72 Merc I/O anymore?

    I have a post on the resto forum (72 Thunderbird Formula w/twin 165hp Mercs). I am getting close to being done on the fiberglassing side and have started trying to rebuild these inline 6 250's and the 2 Merc 165 stern drives. I have a question about a part that is apparently obsolete now. The...
  7. Mark72233

    72 Thunderbird Formula w/twin 165hp Mercs

    This boat belonged to my father and after he passed away it became mine. The year was 2002 and the port engine had a leak in the block and the fuel tank was leaking. So we pulled her out and I began taking engine and fuel tank out. That same month my wife gave birth to our first child and I was...
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