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  1. M

    Transfer hours from old to new tach

    Thanks for viewing this post. Several years ago I purchased a new boat with a 40 hp Mercury, 3-cylinder EFI engine and installed a new Teleflex 0-6000 rpm tach with hour meter before I started the engine for the first time. It's been working fine until lately and it goes now from 0 to pegged...
  2. M

    Mercarb Fast Idle Cam

    I'm wondering if anyone else has noticed that the fast idle "cam" on a Mercarb doesn't actually have any eccentricity to it. It's my understanding that the fast idle cam should open the throttle a tad when the choke is closed, then, as the choke heater warms up it should move the cam to it's...
  3. M

    Contaminated trim fluid

    I'm helping my son-in-law get his Mercruiser 3.0/Alpha One stern drive up to snuff. Over the winter we were unaware that water had gotten into the power trim system and by spring both trim cylinders were cracked wide open. The remainder of the system looks intact. I've taken the trim pump and...
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