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Yamaha S250TXRX (1999 OX66 250) using 2x oil it should be...

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  • #16
    ive never done them
    you say slippage but youd use that much more gas as well.... yes???

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    • #17
      Originally posted by jb123 View Post
      ive never done them
      you say slippage but youd use that much more gas as well.... yes???
      Yea, but the ratio of oil goes up as rpms/throttle angle increases, i'm pretty sure. Something like 100:1 at idle and more like 20:1 at WOT.

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      • #18
        its funny, the nut Rod demanded is obsolete now.....

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        • #19
          I had the performance problems you mentioned for only a short while and a new 02 sensor fixed those problems. The high oil consumption occured prior to, and after the sensor was replaced.

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          • #20
            I just realized the oil control arm is in the inside hole of the black clip.
            I think it is supposed to be in the outer hole.

            I assumed the dealer would have noticed this if it were wrong but maybe not.

            Does anyone know why there is 2 holes on that clip? I the inner one possibly for the break in period?

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            • #21
              Got it fixed

              I had the dealer replace the oil pump nad this fixed the excessive oil consumption. It went down from 20:1 to 50:1.

              I am sure the performance will get better now, too.

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