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Thread: Engine tuning

  1. #1
    RC poster
    Join Date
    Jan 2019
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    Engine tuning

    Trying to get it tuned it seems to run great i can pull wheelies but as it warms up the idle starts going up and down and then dies it does start right back up. Anybody know why the idle does that

  2. #2
    Marshal Double G's Avatar
    Join Date
    May 2008
    Posts
    13,082
    Tune at half a tank and when the engine is at temperature.

    Your idle is lean. Put the idle gap at 0.7-1.0mm open and leave it. Richen the LSN a little - start at 1.75 turns from closed.

    Verify the whole engine system is airtight and that air only enters through the air filter and exits through the stinger.
    The Super Derecho

  3. #3
    RC poster
    Join Date
    Jan 2019
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    2

    That worked thank you i appreciate the info

    Quote Originally Posted by Double G View Post
    Tune at half a tank and when the engine is at temperature.

    Your idle is lean. Put the idle gap at 0.7-1.0mm open and leave it. Richen the LSN a little - start at 1.75 turns from closed.

    Verify the whole engine system is airtight and that air only enters through the air filter and exits through the stinger.
    She is running great again thank you

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