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    7.4 Mag Bravo III issue - bogging/backfiring when getting on plane

    Hi All! I have a 2000 SeaRay SunSport 28 footer with 7.4 Mercruiser Mag Bravo 3. Issue I'm having is motor will start bogging down and backfiring after I get on plane, and most times it struggles just to get on plane. If I let off gas it runs OK, starts fine, idles fine, runs up to 2K RPM...
  2. B

    7.4 Mag Bravo III issue

    Hi all! I have a 2000 SeaRay SunSport 28 footer with 7.4 Mercruiser Mag engine, Bravo 3, only 150 hours on boat/motor. Motor starts cutting out after I get it on plane. Bogs down, backfires, etc. Pull back on throttle and it runs great. Here is everything I've done to this point and no...
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