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Thread: 250 es

  1. #1
    Join Date
    Sep 2011
    Location
    new york
    --
    50

    250 es

    Hi all... working on update #3 on ES Bogging issue.. Before i do, i wanted to ask ES owners... Is it NORMAL for the 250 ES to bog if the throttle is opened quickly/rapidly? I have received some PM's stating that its normal for the big red to bog under quick accel due to lack of acceleration system in carb.. I know the QA carb does not have an accel system, I know what an accel. system does..Just wondering if other big reds, with an oem QA carb experience this infamous bog, or not... Thanks..

  2. #2
    Join Date
    Apr 2019
    Location
    South Dakota
    --
    248
    All of the 250 big reds i have owned or rode did this. Those carbs simply dont like it. It sounds like you already understand why, so i don't think i need to explain it.
    Currently : trx400fw, ct70, 250es,200x, xl80s, 350x, 350x, 225DX, trx300

  3. #3
    Join Date
    Nov 2003
    Location
    Columbia
    --
    5,131
    Yep, that an the SX both do it. Sometimes I use it as a kill switch lol.
    My feedback: http://www.3wheelerworld.com/showthr...k-for-ATC-Eric

    Survivor! TF: 07, 08, 09, 10, 11, 12, 13 Sandpuppies: 07, 08, 09, 10, 11, 16, 17, 18 Imperial Invasion 09, 10, 11, 13, 15, 16, 17, 18, 19, 20

    Everything Big Bore on FaceBook

  4. #4
    Join Date
    May 2010
    Location
    North GA
    --
    59
    I have a 200es with the same issue. Is it this a common problem in those as well?
    Honda 1984 ATC 200es

  5. #5
    Join Date
    Feb 2011
    Location
    fingerlakesny
    --
    2,835
    both my riders do not hesitate, but i ride em alot
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

  6. #6
    Join Date
    Mar 2003
    Location
    Australia
    --
    1,913
    Yeah mine would be the same if I stabbed it and held it on. She’s a workhorse not a speed demon haha
    1980 ATC 70 Needs Restoration
    1985 ATC 250es Fully Refurbed
    1986 ATC 350x Mint Original

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