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    07 350 Mag MPI bad miss/stumble 2k-4k RPM's only under load

    Hi, I have a 2007 Four Winns 240 with a Merc 350 Mag MPI and Bravo 3. It has a pretty bad stumble or miss, only under load, from around 2K to 4K RPM's. It runs great at idle and seems to run fine at WOT. Serial Number: 0W664460 Here's what I've tried with no luck: All New Parts: Plugs and...
  2. B

    RPMs drop then raise when going into gear

    Hey everyone! I have a 2007 Four Winns 240H with a Merc 350 mag MPI and Bravo 3 that is having an issue when going from neutral into gear. It's dropping in RPM and then catching and raising to the same RPM as it was in neutral. In my previous boats it would just drop when in gear, so not sure...
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