Stihl engine problem

Discussion in 'Mechanic and Repair' started by Mike L., Mar 4, 2004.

  1. Mike L.

    Mike L. LawnSite Member
    Posts: 1

    I am new to the board and I need some help. I borrowed my father's new fs85 brushcutter and locked up the engine. I thought that I had oil and gas mixed since I use it in my weedeater, but apparently it had no oil in it this time:eek: :eek: . I can't find anyone in the area where I live to work on it or even help me find parts that don't cost more than a new cutter. I am open for all suggestions. Thanks.
  2. Mikes Machines

    Mikes Machines LawnSite Member
    Posts: 112

    I dont want to sound negative but if your time is worth anything to you go buy a new trimmer. The cost of parts is close to the price of a new one. If it locked up it probably needs more than a piston and cylinder, the crank may be damaged also.
  3. Master of the Lawn

    Master of the Lawn Guest
    Posts: 0

    You might want to look into getting a short block for this weedeater. I would only do it if its a newer model. Its easy to replace if you have some mechanicle knowledge.
  4. Let it Grow

    Let it Grow LawnSite Senior Member
    Posts: 476

    Unless you can fix this yourself, the cost to have someone else do it will probably not be worth it. Find a couple mower shops and ask them how much it would cost to fix. If it's pretty expensive, then just go buy a new one.
  5. General Grounds

    General Grounds LawnSite Senior Member
    Posts: 902

    :blob3: if your sure that you had oil in your mix you may want to pull out the spark plug and the muffler and blow some compressed air sometimes a piece of carbon may free up and wedge itself between piston and head causing this problem. tony

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