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Replacing Piston

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  • Replacing Piston

    Can i replace piston and ring no 1 just by from the cylinder head?If yes can anybody give me some tip step by step.My engine is yamaha 85hp and the no 1 cylinder is lack of compression.Diassembling the powerhead required a lot of work ,i think.tq

  • #2
    no, you will need to pull power head

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    • #3
      ok.what is the standard turn for the needle that attached with the spring at the carburetor.some told me,screw full in than turn back out 1 1/4 turn.is it correct?

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      • #4
        All depends on the model # and year

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        • #5
          yamaha 85hp 2 stroke AE 688,year 1992 or 1993.thats all i know
          Last edited by junaidi; 06-07-2010, 10:13 PM.

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