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Thread: 86 250r sputtering

  1. #1
    Join Date
    Mar 2004
    Location
    Gettysburg PA
    --
    498

    86 250r sputtering

    This just started out of now where so it has me comfused. its been running fine with no problems and it was even fine today in the morning. But today a little after lunch time some friends and decided to go riding. we got there and it turned on fine i ripped down the drive way once and about half way back up it started to backfire a little while i had the throttle in then it just spittered and sparterd and would not rev at all and it aventualy choked itself off. well i then took the spark plug off and checked it and it had spark so i put it back in and tried kicking it over and if fired up and idled rough and when i would rev it up it would just spitter and spater again and choked itself off again then i would try to kick it and it wouldnt even turn on any more what do you guys think this could be?
    My Trikes

    1985 250sx
    &
    1986 250r
    Parting out 85 kxt tecate pm me with your needs

  2. #2
    Hornetpowerspor's Avatar
    Hornetpowerspor is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Mar 2005
    Location
    Michigan
    --
    294
    Sounds like a fouled spark plug to me.

  3. #3
    Join Date
    Jun 2004
    Location
    potsdam ny
    --
    1,227
    make sure your pilot jet isnt plugged and its screwed in all the way....
    1985 Honda ATC250R drag trike with s/t kit and full drag CR hybrid motor and drag chassis...
    1986 Honda ATC250R daily rider fully modded engine, +4 swinger,etc...
    1997 Polaris Storm 800 triple, boyesen reeds, dg individual silencers, 240 studs, 123mph on radar...

  4. #4
    Join Date
    Mar 2004
    Location
    Gettysburg PA
    --
    498
    do fouled plugs still show spark?
    My Trikes

    1985 250sx
    &
    1986 250r
    Parting out 85 kxt tecate pm me with your needs

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