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Recent content by raymac

  1. R

    Oil pressure gauges

    "Just picked up 1990 272 Formu "Just picked up 1990 272 Formula.Its equipped with twin 502 mag EFI Mercruisers.[I think they are 94s]. When starting the motors cold,the oil pressure gauges reads 20-30 lbs, raising the RPMs, pressure drops.They read about 30 -40 when running the boat.Then they...
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    Winterization

    "I need to winterize twin 502& "I need to winterize twin 502's EFI Mercruisers.I am familiar with the process from my other boat [twin454 mags]. But the 502's are real tight and it looks real hard to get to the petcocks on the blocks.Any other suggestions or procedures? Also I usually fog out...
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    Evidence of water in #5 cylinder

    " I have twin Mercruiser 454 m " I have twin Mercruiser 454 mags.I noticed the stb motor to be a little rough at initial start the last time I used it,but cleared up fine and ran great all day.When coming home the motor popped slightly 2 or 3 times at a 3000rpm criuse,but then was fine .I even...
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    1985 Evinrude 90HP Battery wont hold charge

    I just purchased a new batter I just purchased a new battery in the spring.Lately the battery has been going weak and will not crank the motor.I put a charge on it and is fine for a couple of times then gradually goes weak.Also the tach has been cutting out then doesn't work at all.Can these...
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