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  1. R

    Same ol stuff...merc 120 bog no power

    In my searches, I am back here to see if anyone has new ideas for this nagging problem. 1986 merc 120 on a Glasstream Tempest 152... This boat should fly!!! But still bogs and coughs... I am now wondering if I have a exhaust flapper jammed up somewhere in the exhaust path. Also I have...
  2. R

    mercruiser 120 sputters off idle?!?!?

    I have a 120 mercruiser that will not for the life of me stop sputtering as i come off idle. I have replaced all ignition components as I have just recently purchased the boat and all was of unknown age. REbuilt carb (mercarb) including new accelerator pump. Had timing supposedly checked and...
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