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Thread: bad throttle response help.

  1. #1
    Join Date
    Apr 2003
    Location
    Bay Area CA.
    --
    2,638

    bad throttle response help.

    My atc70 has bad throttle response when i give it gas to go in 1st gear it runs about half a second to a second after i push the throttle. whats going on?
    1985 350x
    1985 atc70

    2006 ltz400
    2017 z125pro

  2. #2
    Join Date
    Jun 2003
    --
    11

    could be many things

    could have choke on

    could have clogged exhaust

    could have clogged intake/air filter

    could have damaged reeds

    Gas screw could need an outward turn or two on carb

    Points could be gapped too widely

    Just look for all those things, you'll probably find the problem, hopefully!

  3. #3
    Join Date
    Jun 2003
    --
    11

    How old is the carb?

    The screw in the bottom center of the carb bowl that surrounds/connects to the main jet is hollow and should have a smal hole or slits in the bottom of it to allow gas in and up the main jet. Check to see if it is all gummed up.

  4. #4
    Join Date
    Apr 2003
    Location
    Bay Area CA.
    --
    2,638
    Im pretty sure its the gas screw, but it has two, which one is it?
    1985 350x
    1985 atc70

    2006 ltz400
    2017 z125pro

  5. #5
    Join Date
    Mar 2003
    --
    472

    Re: could be many things

    Quote Originally Posted by piratepowwow
    could have damaged reeds
    no it couldent its a 4 stroke! lol
    1985 Tecate restoration project-R.I.P

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