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Thread: 1990 Yamaha RT100 throttle body stuck open in carb?

  1. #1
    Join Date
    Jul 2014
    Location
    Illinois, United States
    --
    79

    Question 1990 Yamaha RT100 throttle body stuck open in carb?

    Hey guys. Just picked up a '90 Yamaha RT100. All it needed was a carb cleaning and it runs. However, it idles super high. Inside the carb, the throttle is stuck up high, so its wide open and running as if I had the throttle maxed out. If I shifted it it would probably wheelie and take off across the yard. Anyone know how to fix this? Do I need a new throttle cable? If it matters at all it has a Chinese carb on it. Any help is appreciated. Thanks.
    3 Wheelers:
    1983 Honda ATC 200E Big Red "The Barn Find"
    1984 Honda 200x with 200s engine "Auto-X"
    1981 185s junker SOLD
    1983 Honda ATC 185s "the original" SOLD
    1984 Honda ATC 200s "The FrankenTrike" SOLD
    1984 Honda ATC 200s "ole reliable" SOLD
    1986 Honda ATC 200x SOLD

  2. #2
    Join Date
    May 2015
    Location
    San Diego, CA
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    1,774
    Quote Originally Posted by d.walker43 View Post
    the throttle is stuck up high, so its wide open and running as if I had the throttle maxed out.
    when you say the throttle is stuck open do you mean the slide is stuck open and can't move?

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