2 stroke oil

  1. E

    Used the wrong 2 stroke oil in ECHO CS-490

    I have an Echo CS-490 that I used standard 2-stroke oil in and by doing that the saw no longer runs. I can pull the rope to start, but it pulls too easy. I was only able to run the saw for a short time with this oil before it failed on me. I'm wondering what I would need to replace because of...
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