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  1. S

    Merc 100 (2+2)

    Has anyone ever removed the factory idle plugs from the lower 2 carbs and replaced with standard idle mixture screws?<br /><br />Is it possible... threads the same?<br /><br />Will this give better idle and low rpm performance?<br /><br />Thanks, Al
  2. S

    Convert 100hp to 115hp

    I have 1993 Merc 100 and was wondering what it takes to make it a 115 (carbs / exhaust plate / etc)? Can I rejet my existing carbs to get better performance?<br /><br />Also, I have seen some info about how some 100's actually idle on just the top 2 cylinders, and all 4 don't light off until...
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