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Stihl fs 90 ave trimmer

Discussion in 'Chainsaw' started by rob066, Jun 12, 2011.

  1. rob066

    rob066 Addicted to ArboristSite

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    I had a stihl fs 90 ave trimmer give to me. It didnt run when it was given to me. I put a fuel line on it for $6.36. It now runs great after a carb adjustment. I was wandering how these trimmers are for reliability and what cc they are. Thanks Rob
     
  2. jus2fat

    jus2fat Two Harley Fatboys

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    Here ya go Rob....

    FS 90 Bike Handle Trimmer - Professional Use Grass Trimmer | STIHL

    This is with the "bike bar"...but the "R" D-handle is same motor
    It's maybe Stihl's best selling "kinda big" trimmer.
    Has excellent reputation for power and reliability!!

    And someone GAVE it to ya!!....WOW...what a deal!!

    Hope this helps...
    :cheers:
    J2F
     
  3. Fish

    Fish Account Hold

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    great trimmer, hard to get parts for.
     
  4. jus2fat

    jus2fat Two Harley Fatboys

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  5. Fish

    Fish Account Hold

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  6. jus2fat

    jus2fat Two Harley Fatboys

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    Thanks Fish for the info!!!!

    My error for not noticing the .."ave" :msp_blushing:
    I understand now why it was given to him!!! LOL

    Thanks for being very nice to an old man!!!!
    :cheers:
    J2F
     
  7. Fish

    Fish Account Hold

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    Old????

    Just how old a boy are you?
     
  8. jus2fat

    jus2fat Two Harley Fatboys

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    I'll be 64 1/2 in 2 days...!!!

    And thanks for requesting to be my friend...
    My great pleasure to accept!!!!!
    :cheers:
    J2F
     
  9. Fish

    Fish Account Hold

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    In a "non-gay" way, of course!!!

    Not that there is anything wrong with being an arborist!!
     
  10. rob066

    rob066 Addicted to ArboristSite

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    My dealer gave me the trimmer. He said it wasnt worth his time to mess with it. Well for the 6.36 I got in to it, it was worth it to me. It starts with one or two pulls. Matter of fact it starts easier than any other trimmer I got.
     
  11. blsnelling

    blsnelling Site Sponsor

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    My dealer gave me a FS90AVE as well. The exhaust port on it was nearly completely blocked. I sold it for $75 after making repairs.
     
  12. build

    build New Member

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    service

    Hello
    I have one of these and it has worked great but now when I start it up it runs ok if i keep the throttle press half way but as soon as i let go it will not idle. can you please tell me where i can download a service manual for it, OR some instruction to how to set the carb up with the two screws.

    Many thanks
     
  13. rob066

    rob066 Addicted to ArboristSite

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    The 90 AVE I had given to me did that when I first started it. It would not idle. I turned the low adjustment screw to richen it a bit (counterclickwise). I then turned the idle screw in a bit.
     
  14. build

    build New Member

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    Hi Thank you for getting back to me.
    I have google for a drawing or something to give me a clue to what is what with the carb but just cannot find anything. Can you tell me what screw is what please.
    I did see on one of the news groups somthing about a service kit for the carb.

    Thank you for your time and trouble
     
  15. jus2fat

    jus2fat Two Harley Fatboys

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    This is for chainsaws...but it's about the same for trimmers...
    It will tell you what the three different screws are and what
    they do to adjust the carburetor.

    Hope this helps you out...
    You will certainly know more than you do now!!!!!

    Saw Carb Tuning
    :cheers:
    J2F
     
  16. Fish

    Fish Account Hold

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    Yes, it has a Walbro wt carb on it
     
  17. build

    build New Member

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    Hi J2F thank you very much for the link, I have been and had a look and yes you are right I know a LOT more now than I did. I now have a starting point.

    Thank you
     
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