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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Re: tecumseh 2 cycle snowblower
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.
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Sounds like the Needle valve in the carburetor is stuck 'down' letting gas continually run from gas tank into carb. When the valve can't go up (Close) gas will run past the carburetor and into the crank case I bet your oil is full of gas. Check oil level see if it is overfull
Same thing happened to me.. I took off carburator and rebuilt it with a 20 Dollar seal and jet rebuild kit. i found all gaskets worn out. all tiny fuel inlets clogged....started first pull after and videos on rebuild on youtube make it too simple!
Many small engine problems such as you described are fuel related. In today's world, most of our gasolines are blended with ethanol and thus gasoline shelf life has been reduced to 4-6 months. It is important that after each season's use you be certain to run the snowblower until all gasoline in the tank and carburetor have been used - effectively running the snowblower out of gas. If you did't do that last season the "old" gasoline in the carburetor has began to gum up and will not let the carburetor mix fuel and air properly. The solution will be to remove, disassemble and clean the carburetor. It is likely the gas tank will also need to be drained, removed, and cleaned. If you are unable to do this you will need to take to a qualified small engine mechanic in your area.
Lastly and, very importantly, make certain when you are ready to use your repaired snowblower that you use FRESH gasoline. And, remember the first part of this discussion at the end of the season.
Having to run the engine with choke on indicates that there is an air leak somewhere in the fuel delivery. Check the gas line for cracks, and if your model has a primer, the hose from the primer to the carb may be cracked.
Hi there is a small stone fuel filter in the tank. this filter stops fuel from running back into the tank from the carb check to insure it still on and make sure there are no cracks or hole in fuel line that should fix your problem
make sure you cleaned the main jet and low speed jet good and make sure your needle and seat are in good condition some time the seats swell up do to bad gas. there for no gas gets through the seat and make sure your gas is clean w no water, if this isnt a needle and seat carb use regular wire and clean it good.
I had the same problem like 3 days ago
all I did was open the choke up all thie way get it to where it want close
then the screw that pushes the acclerator in to give it more gas when you start it
screw that in about 1cm or lil less
after that mess with that screw
you should get it
my starts first pull now and runs great and i had the same exact problem