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stihl ms 290 chainsaw question

Discussion in 'Homeowner Assistance Forum' started by josh1981, May 5, 2007.

  1. josh1981

    josh1981 LawnSite Senior Member
    Messages: 427

    I have a stihl ms 290 chainsaw. I was cutting an old log today and chain seized up. Thought chain brake activated but didnt. I took the bar and chain off, put it back on, ajusted chain tightener screw- chain still frozen. I played with it a couple times (i always get it after at least few times) but no luck. And it happened when cutting so something is wrong. I have been having to tighten chain more often and taking longer to get chain on chain sprocket and tightened properly.

    Im thinking its the chain sprocket- I checked everything else.

    Any Ideas?
  2. scottr 2006

    scottr 2006 LawnSite Member
    from alabama
    Messages: 70

    It's possible for the bar sprocket to get bound up with dust and dirt .
  3. Grassmechanic

    Grassmechanic LawnSite Silver Member
    Messages: 2,697

    Is there bar oil in it or was/is the oiler working properly?
  4. josh1981

    josh1981 LawnSite Senior Member
    Messages: 427

    yes enough oil.

    bar was bound up with dirt and dust. Got a new chain and bar pout on- works like a charm. All this from a old stump. lol.

    thanks fort the help

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