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    Yamaha 91 200Hp wont idle

    I need a little help. My 200 hp wont idle while in the water. It coughs shakes and later will just quit. It runs great at anything over 1000 rpm. I have replaces plugs and 1 coil that did not ohm out like the others, no change. It does seem to be getting worse. It will idle like a champ on...
  2. O

    Yamaha 200 weird Idle problem

    I have a 1991 Yamaha 200 with a weird Idle problem. It idles grerat on the washdown but not in the water. Dockside it misses bad and after a min or 2 will stall. Back on the washdown it will idle all day. I pulled the plugs and they look fine. Any ideas guys?
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