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Thread: 2013 500 utv

  1. #1
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    Oct 2017
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    2013 500 utv

    2013 efi
    strong spark brand new plug
    fuel sprays out of injector well,

    back fires out intake when pedal is pushed down and then let up when trying to start

  2. #2
    Senior Member wyodlr's Avatar
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    Oct 2011
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    Cody Wyoming
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    You shouldn't be touching the gas at all when starting it
    2013 MSU-1100

  3. #3
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    Oct 2017
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    Utv only has 100 hours
    With no pedal pushed no luck
    Here's os what been checked
    Fuel pump check made gauge runs at 43-45psi
    Injector sprays when starting pulled and checked
    135 psi compression
    Pulled cam all looks good comprssion release is good retimed checked valve lash they are set at .10mm intake..13mm exhaust
    Seems to have good spark new plug
    Checked the 9 pin plug all connections look great .

    Nothing has changed with starting no luck

  4. #4
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    Also pulled exhaust off as I thought a baffle might have broken restricting. Still no luck

  5. #5
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    FIXED !!!!!
    new ECM and she is all good!!! Thanks to Carl at motor cycle doctor for all the help and support http://www.motorcycledoctor.com

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