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Cam asked in Cars & TransportationMotorcycles · 1 decade ago

Mini-ATV carb problem(s)?

My girlfriends son has one of those cheapy 50cc Jackal ATV's. It started running terrible so I pulled the carb and it was pretty gunked up. I cleaned it thoroughly and it still is running extremely rich and the idle screw doesn't have any effect. So what I am thinking is that the idle circuit air supply passage is still clogged. However, when I pulled it off and cleaned it out, the engine is still running very rich. Anyone know how I can clean the passage better or have any other ideas about what is wrong? Oh, I adjusted the floats about every way possible to no avail...

Update:

oh it's a thumper too, not a 2-stroke

Update 2:

It has a manual choke....thanks for the answer

1 Answer

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  • Anonymous
    1 decade ago
    Favorite Answer

    that has an electric choke?try cleaning out the passage and then maybe replacing the seal surface. maybe lower the fuel bowl a smidge.im guessing the electric choke isnt shutting down, either cause its siezed or the passage is gunked up.

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