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Thread: 250ex wont start

  1. #1
    Join Date
    Feb 2007
    Location
    southeastern Mass
    Posts
    1,575

    250ex wont start

    ok so i started my 250ex to move it to plug and pump up my tire so as im letting the plug dry to snip it so it dont stick out farther than the tread anyways onto the problem, when i go to start it again it wont start sounds like its spluttering and it only when its full choke full throttle it bogs if u dont keep the RPM's up i think something might be clogging the jets or the breather btw i have stock jetting lid off and its 95 degrees farenheight outside please someone help
    '07 250ex
    20 inch razr tires
    ITP C-series sport wheel

    '03 kawasaki bayou 250- Cleaned up
    '04 yamaha breeze-sisters

  2. #2
    Join Date
    Oct 2005
    Location
    Mount Airy NC
    Posts
    436
    If you have stock jetting you might want to put the lid back on.
    450R
    Bunch of overpriced $hit

  3. #3
    Join Date
    Jul 2006
    Location
    cape coral
    Posts
    469
    a is ur filter really dirty? if so something is probly cloging the jets so if ur filter is dirty take it off and blow in to teh carb and get all the dirt and stuff out of it
    ''MKF'''miakwadfathers
    mods:
    pro armor v cross bumper in black
    tusk nerf bars
    uni filter
    20 razers on the rear
    22 kenda radial up front
    powermade handgards
    hmf full system in black
    rear wheel spaces
    coming soon:
    rev box, shocks

  4. #4
    Join Date
    Feb 2007
    Location
    southeastern Mass
    Posts
    1,575
    yeh clutch it is pretty dirty lol how hard do i blow into the carb real hard or like what?
    '07 250ex
    20 inch razr tires
    ITP C-series sport wheel

    '03 kawasaki bayou 250- Cleaned up
    '04 yamaha breeze-sisters

  5. #5
    Join Date
    Feb 2007
    Location
    southeastern Mass
    Posts
    1,575
    just took of the air filter and blew into the carb i reinstalled the filter didnt work and it wont even start now like it wuld with the choke wide open and the throttle?
    '07 250ex
    20 inch razr tires
    ITP C-series sport wheel

    '03 kawasaki bayou 250- Cleaned up
    '04 yamaha breeze-sisters

  6. #6
    Join Date
    Feb 2007
    Location
    southeastern Mass
    Posts
    1,575
    anybody know?
    '07 250ex
    20 inch razr tires
    ITP C-series sport wheel

    '03 kawasaki bayou 250- Cleaned up
    '04 yamaha breeze-sisters

  7. #7
    Join Date
    Jul 2006
    Location
    cape coral
    Posts
    469
    un idk man does ur clutch cabel feel realy easy to pull in? is it like ticking like it wants to turn on or is it like firing upbut wont like completly turn the motor over? maybe u should clean ur jets or have u tryd push starting it cause im guessing if it starts by pushstarting its eaither ur batery or ur starter is going bad but i dout it
    ''MKF'''miakwadfathers
    mods:
    pro armor v cross bumper in black
    tusk nerf bars
    uni filter
    20 razers on the rear
    22 kenda radial up front
    powermade handgards
    hmf full system in black
    rear wheel spaces
    coming soon:
    rev box, shocks

  8. #8
    Join Date
    May 2007
    Location
    wellington, ohio
    Posts
    541
    nah dude, it wont start in gear.

  9. #9
    Join Date
    Jan 2006
    Location
    KANSAS
    Posts
    2,846
    is it getting spark ?
    you got compression ?
    is the gas fresh
    if yes, then

    clean the jets, remove them and spray carb cleaner through them.
    2006 trx450r
    2006 yfz450
    2008 400ex
    1999 400ex
    2008 250ex
    2011 rzr S

  10. #10
    Join Date
    Mar 2007
    Posts
    109
    Originally posted by mx825
    nah dude, it wont start in gear.
    I HAVE PUSH STARTED MY '07 MODEL A FEW TIMES. THE SPORT CLUTCH HELPS I THINK. ON THE OLDER MODEL I COULD NEVER DO IT.

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