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  1. #1
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    Omc 60* carb running rough

    I have a 2002 90hp 60* looper thats been giving me a fit. I've completed a decarb, cleaned the carbs and replaced the bowls, thermostats, ignition wires, and plugs . Timing is 20 degrees, compression is 120 even.

    It idles and runs full throttle but misses everywhere in between. I have family staying over this weekend and need this boat running.

    Im at the point where I think I need to inspect the vapor separater. Are the gaskets in the separater rubber? Can I inspect and clean it without replacing gaskets?
    Azure AZ259, 8.1

  2. #2
    Join Date
    May 2001
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    Hickory NC
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    O ring but sounds more like a sync/link issue, these are a bit touchy. If the carbs are activated too soon the off idle performance is rough.

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