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  1. M

    *Update on 3.0 Merc bogging at 3000 rpm*

    Thank you Bond-o and all who helped with hints. Had my 3.0 Mercruiser acting as if it were out of fuel and bogging out once I got above 3000 rpms for more than a minute. After replacing fuel lines, cleaning out all filters and so on and so forth it turned out to be a clogged anti-siphon valve...
  2. M

    3.0 Merc Manual

    Does anyone have a source for a manual online for 3.0 Merc? Thank you!
  3. M

    Bogging out at 3500 rpms

    Hello peoples, I have a mercruiser 3.0 alpha 1. She's been running nice this summer until this week. Once I get up to around 3000 rpms or more for 30 seconds it starts to act as if I were running out of gas or coming off the throttle. If I throttle down to about 2000 rpms it runs fine again...
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