Question about Troy Bilt, Tuffy, Rear - Tine Tiller, 4.0 Tecumseh Engine

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Tecumseh 2 cycle snowblower

My 2 cycle snowblower starts but doesn't stay running. There is good gas in it. I change the inlet needle and seat and still does the same thing. I check all gas lines and they are clean. When I push the primer it sounds like air is coming out of the carbuter. The engine number is HSK850-8310C


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I know this may sound stupid but I've don it my self is the gas on? If it is then my next ? is, does the nut on the bottom of the bowl have an adjustment screw in it? If it does see if it is turned in all the way, if it's turned in than from just bottom out turn it out 1 1/4 turns out that is the fuel flow needle once running that needle may need to be fine tuned,also if it is turned out to far it wont run either cause it will flood out. If that doesn't work it might be something internal with the carb.let me know how you make out and if we need to check into it further.

Posted on Dec 27, 2008

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