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Thread: Tri moto 125 need carb help!

  1. #1
    Join Date
    Jun 2017
    Location
    CA
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    9

    Tri moto 125 need carb help!

    I have a Yamaha tri moto 1982 125 and i have taken the carb apart about 3 times i have cleaned it and blowen compressed air through every hole i can see i have made sure theres nothing plugged but it just wont run.. i have spark and if i spray gas right through the carb and into the cylinder it will run then rev really high (witch i know means its just leaning out from lack of fuel) and then dies nothing i do to this carb seems to make it work can anyone help me?

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  2. #2
    125Mmadness's Avatar
    125Mmadness is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Apr 2017
    Location
    McConnelsville,Oh
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    157
    Maybe the float is stuck shut and not letting fuel into the carb
    1985 ATC125M: Parts
    1985 ATC200S: 84 200S Bottem end, 200x Head, 200x Carb, S&S Cycle Exhaust, Wiseco 10.25:1 Piston, Reground Cam with About 1mm more lift(unknown specs).
    1988 TRX250X
    1983 ATC200E: Total Pile.


    "Bout Tree Fiddy" Master of Thy 22RE

  3. #3
    Join Date
    Jun 2017
    Location
    CA
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    9
    Quote Originally Posted by The Dude View Post
    Where are you mix screws set and can you shoot carb cleaner through the pilot jet and see it come out of the circuit on the other side
    Yes i can shoot carb cleaner through the pilot jet and see it come through and the idle mix screw is set at 1 and a half turns out (thats what the manual says to have it at)

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  4. #4
    Join Date
    Jun 2017
    Location
    CA
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    9
    How do i see if there is gas in the bowl?

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  5. #5
    Join Date
    Jun 2017
    Location
    CA
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    Okay then it does have gas filling the bowl because it spills everywhere when i take it apart

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  6. #6
    Join Date
    May 2016
    Location
    OH Canada
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    1,102
    I don't know much about your trike. But supply more details.

    Did you just get it? Did this all of a sudden happen? Yes it sounds like a fuel issue for sure. Or to the best of my knowledge.
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    '83 200X

    Chicks love guys that ride trikes

  7. #7
    Join Date
    Jun 2017
    Location
    CA
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    9
    Quote Originally Posted by Rob Canadian View Post
    I don't know much about your trike. But supply more details.

    Did you just get it? Did this all of a sudden happen? Yes it sounds like a fuel issue for sure. Or to the best of my knowledge.
    I just got it a week or so ago and when i got it. it didnt run also the fuel cock thing lets fuel come from the tank and i put a new feul line on it aswell the only thing i dont have hooked up to it is the exhaust and the air box and i dont have and air filter could that have something to do with it?

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