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Help! YS 120 oil question

Discussion in 'Giant / Scale RC General Discussions' started by Snoopy1, Jul 16, 2020.

   
  1. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Cleaning up a YS120 but have run out of the special oil that is recommended by YS to fill the engine with for storage. Would anyone know what oil can be used that will not ruin the internal silicone gaskets and diaphragm of the shelf
     
  2. dhal22

    dhal22 GSN Sponsor Tier 1

    Try the classic pattern forum elsewhere, they're still passionate about YS 2 strokes.
     
    Snoopy1 likes this.
  3. Marvol tool oil works well will not hurt gasgets
     
    dhal22 and Snoopy1 like this.
  4. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Thanks for the info looking up the oil very difficult to find the speciations of the oil trying to find out if it is 100% synthetic.
     
    TonyHallo likes this.
  5. I'm pretty sure it is a mystery!!!!
     
    Snoopy1 and pawnshopmike like this.

  6. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Like that one good answer.
     
  7. Paul

    Paul New to GSN!

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    Ultra Oil from Performance Specialties has always been the gold standard of oils for YS engines.I think they are out in Nevada. I have also heard of guys using good old Mobil 1.
     
  8. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Cannot find anything on performance Specialties concerning YS engines.
     
  9. rcbobp

    rcbobp 70cc twin V2

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    Check with Richard at www.ysengines.us. He’s done all my service, and done it first rate. How long do you plan to store it? I’ve gone several year without anything special for off-season storage. I just send my engines to Richard every 3-4 years for a little tune-up.
     
    Snoopy1 likes this.
  10. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Thanks for the info. This is just for winter storage 4 to 5 months. I like the idea of sending the motor in for a tuneup. They are pretty complicated. Is the cost for a cleanup and tune reasonably priced and how long does he need to do it. Thanks again for the help.
     
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