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Pilot screw setting on a 115 2T

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  • Pilot screw setting on a 115 2T

    Hi.
    According to my manual, my 115 2t Mod. 1991 newly rebuild carbs, need their pilot screws adjusted to 5/8 of a turn.
    However, my outboard mechanic urged me to set them at 2+, since "Considering the age of the outboard, I will avoid possible hesitations in the operation of the engine" he said.
    Apart from the obvious increase in fuel consumption (in tick-over the fuel flow goes above 5 lit/hr), are there any other downsides in setting the pilot screws at 2+ ?
    Having set the pilot-screws according to the manufacturer data for a while, the engine had difficulties in starting when hot ...

    Thanks
    Last edited by axolotl98; 03-18-2011, 01:52 PM.

  • #2
    The settings in manual are the initial settings and final adjustment will have to made with boat in water.
    Regards
    Boats.net
    Yamaha Outboard Parts

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    • #3
      Thanks for your reply.
      Is there anything specific, one should look out for in the outboard operation ?
      Noise, willingness to increase revs, fuel consumption, ease of starting when cold and/or hot, what ?
      Can you offer any advice on what to look for and what to do in each case ?

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