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Thread: quad dpesnt idle!

  1. #1
    Join Date
    Aug 2003
    Posts
    3,444

    quad dpesnt idle!

    i am having some serious idling problems.

    The thing refusses to idle even when the screw is turned all the way up. and it has a realy problem starting too, i usually have to compression it.

    How can i fix this!

  2. #2
    Join Date
    Jul 2004
    Location
    Fullerton Nebraska
    Posts
    297
    Check the plug and air filter. Clean the carb. What the heck is compresssion it mean
    05 yfz450

    426ex, JE piston, 479 web cam, port&polish, Magnum rev box, 39fcr, Sparks X6, tinners scoops

  3. #3
    Join Date
    Aug 2003
    Posts
    3,444
    i guess you could call it push starting lol

  4. #4
    Join Date
    Aug 2003
    Posts
    3,444
    it might be the plug its pretty much fryed

  5. #5
    Join Date
    Nov 2004
    Location
    Esky, Michigan
    Posts
    294
    i dont know to much about mechanics but my friends pred had that problem and its the valves.
    04' Polaris Predator for sale
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  6. #6
    Join Date
    Aug 2003
    Posts
    3,444
    that might be my problem i will check it out!

  7. #7
    Join Date
    Jan 2004
    Location
    centralia illinois
    Posts
    2,818
    i just put a new idle screw on mine cause the idle screw broke. it could be the pilot jet too. i messed with a lil bit cause mine wouldnt idle right but its fine now.
    2007 LTR 450
    Pro Taper,Powermadd,Motoworks,One Industries,Rath,Blingstar,Maxxis,DWT

    2006 KTM 200xc-w

  8. #8
    Join Date
    Jul 2004
    Location
    Fullerton Nebraska
    Posts
    297
    Yea your pilot jet could be dirty. I still think your best bet would be a new plug and pull the carb off and clean it. Does it run good after you get it started other than idle? Another possability is your coil could be going bad. Try the other first.
    05 yfz450

    426ex, JE piston, 479 web cam, port&polish, Magnum rev box, 39fcr, Sparks X6, tinners scoops

  9. #9
    Join Date
    Aug 2003
    Posts
    3,444
    im pretty sure its my valves, i finally got it jetted right, and i need to hold it in mid range all the time or it stalls. i think the valves must be bent or warped because i noticed they looked a little pecular when i took it apart

    Also ware can i get a nice set of aftermarket valves and how much?

  10. #10
    Join Date
    Sep 2002
    Location
    Lake Stevens/Marysville/Everett,WA
    Posts
    4,475
    Originally posted by steveatv3


    Also ware can i get a nice set of aftermarket valves and how much?
    C&D racing OF COURSE
    Back to the ol' Kodiak 4x4 but at least it's a quad!
    00' 426ex
    04' YFZ450
    05' Kasea 70


    Better to be a racer for a moment than a spectator for a lifetime!

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