starts only for a sec
  • User avatar
    momuzik
    Posts: 63
    Joined: Sun Oct 06, 2013 11:47 pm

    starts only for a sec

    by momuzik » Mon Feb 12, 2018 10:45 am

    ok rebuilt engine and will only start for a second after pumping alot of gas, 5 throttle pumps, then dies immediately..any helpful suggestions?
  • Aussiecrf230
    Posts: 1962
    Joined: Fri Jan 06, 2006 11:11 pm

    Re: starts only for a sec

    by Aussiecrf230 » Mon Feb 12, 2018 9:56 pm

    What year is yor bike?
    What jetting do you have?
    How old is the fuel?

    I am guessing it has a carby if so check the idle jet is not clogged and fuel screw is set correctly.
    Ray
    Australia

    CRF230F 2004
    C30F Power Up needle
    Mains 132
    Idle 45
    2 turns out
    Baffle out, Screens In

    It starts,it runs,it gets to where all CRFs can get to without the valve or valve plate dramas
  • User avatar
    momuzik
    Posts: 63
    Joined: Sun Oct 06, 2013 11:47 pm

    Re: starts only for a sec

    by momuzik » Mon Feb 12, 2018 11:30 pm

    04 carb..ok i will check idle jet..thanks Ray..ps fuel maybe 2months old but I will put fresh fuel also..thank you
  • Bogdangavra
    Posts: 3
    Joined: Tue Feb 20, 2018 11:39 am

    Re: starts only for a sec

    by Bogdangavra » Thu Mar 01, 2018 6:50 am

    Mine does the same (2009 crf250r)when is cold (in winter) even if it's with choke on but after 2 or 3 startings it runs ok . If you rebuild the engine , maybe you must do valve adjustment , and check if you put the engine on signs.

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