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  1. #1

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    91 FZ needle settings

    Dave, I cant find my manual and ran my engine as it came back from repair at YS, but I cant get it to idle down, it stays high, around 3000 and then dies as I close the throttle.
    Can you tell me what high and low needle settings should be as a rough start point.

    Thanks

    Joey
    Hows my flying???
    Call 1-800-EAT-(Censored by Moderator)

  2. #2

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    RE: 91 FZ needle settings

    Go to the website and follow the instructions www.ysperformance.com

    I suspect the regulator and idle are both too lean.

  3. #3

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    RE: 91 FZ needle settings

    Dave, I just pulled the valve cover off, And there is NO tappet clearance at any time of the cycle. I now suspect that this has been the problem all along. My question is that it came from YS service department like this, should it have come back to me in this condition? I feel terrible about trying to run the engine like this, but I didnt think to check the tappet clearance and just expected it to run when I got it back.

    Please help,

    Joey M
    Hows my flying???
    Call 1-800-EAT-(Censored by Moderator)

  4. #4

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    RE: 91 FZ needle settings

    If it really didn't have any valve clearance coming back from service, call them and complain,
    LOUDLY!

    775-782-4562

  5. #5

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    RE: 91 FZ needle settings

    I will try to call, but I cant get anyone to answer, I will try again, I guess Ill send it back in.

    I dont want to complain to the guys, I just want the engine to work.

    Thanks Dave.


    Joey
    Hows my flying???
    Call 1-800-EAT-(Censored by Moderator)

  6. #6

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    RE: 91 FZ needle settings

    I don't blame you, keep trying. Today was Monday/Tuesday, and I'm sure the phone was very busy.


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