Running/ choke issues?
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Thread: Running/ choke issues?

  1. #1
    Member Waymore's Avatar
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    Apr 2017
    Payson, Utah

    Running/ choke issues?

    I just bought a 92 tw and it will not run unless it's at least half choked. It will hold itself revved up at time when I'm not touching the throttle then other times it will just die if I let it idle down when I'm stopping or something. I know it say with ethanol fuel all winter long. Could the carb just need cleaning? Or could it be something else?
    littletommy likes this.

  2. #2
    Senior Member scotti158's Avatar
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    May 2013
    Groton, NY
    Plugged pilot jet. A good carb cleaning is needed. Just replace the pilot jet while your at it.
    Last edited by scotti158; 04-20-2017 at 11:40 PM.
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    2013 Yamaha TW200

    1996 Yamaha TW200

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    2002 Yamaha RoadStar 1600 with sidecar

  3. #3
    Senior Member elime's Avatar
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    Jul 2010
    San Jose, CA
    Try easy first -- open the idle mixture screw 2.5 to 3 turns.
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    Long live the internal combustion engine!

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  5. #4
    Senior Member Tweaker's Avatar
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    Dec 2015
    San Diego
    And try some seafoam too it may clear up.
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    ”Everything You Know is Wrong”

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    Twin 2014 TW200's made side by side on the assembly line, Moose rear racks, Protaper ATV high bars, DG oval pipes, kick starters, rejetted carbs, 130 main jets, 2 -3 -.020 shims on the needles and @ 2 1/2 turns on the pilot screw, #34 pilot jets, Acerbis hand guards, Shinko 241 front tires, modified Krator foot pegs, 14-55t sprockets, Ricochet skid plates and 90 degree fuel filters.

  6. #5
    Senior Member supachip1's Avatar
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    Apr 2013
    just had the exact same thing, clogged pilot jet, i soaked mine in diesel overnight and used a pin and compressed air, all sorted now
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  7. #6
    Senior Member cowboyjeff's Avatar
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    Nov 2013
    West Jordan, Utah
    Im with the others, Dirty Pilot Jet & or Pilot circuit. Like Elime said well you have the Carb off pop the Cap off the Idle air adjusting screw and start at 2.50 turns out. Also you probably ought to make sure there is no rust in the tank.

  8. #7
    Senior Member jbfla's Avatar
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    Jul 2010
    FL. GA, NC
    Quote Originally Posted by Waymore View Post
    ........ I know it say with ethanol fuel all winter long......
    Fresh gas would help, too.

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  9. #8
    Member Waymore's Avatar
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    Apr 2017
    Payson, Utah
    Thanks for all the replies guys! I took the carb apart today and man was it filthy. Replaced all the jets and o rings and stuff and cleaned the rest up so hopefully it does the tricks. But first I have to replace the boots on each side between the engine and the air filter box.

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