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Carburetor blocked 20444 mower was sitting long time . wax/ varnish in carburetor. cleaned so gas flows into bowl , bu its not getting up through carb. Is the bolt that holds the bowl on supposed to deliver gas though it up into the cavity below venturi? there are two holes up there. on e that goes traight up into the venturi, where dows the other go?

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  • Anonymous Apr 11, 2009

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I have a Craftsman Snow Thrower model # 247.881731. At the end of last year I drained the gas as recommended in the manual, this year I filled it with fresh gas and it now has a problem starting. I pu


Draining the gas from the tank doesn't drain the float bowl in the carburetor. It still had last year's gas in it. Gas will start to turn to varnish if left sitting 6 to 12 months. You'll probably have to remove the carburetor, disassemble it and clean it out with Gumout carb cleaner or some similar product.
When you get it running and the snow's over and done with, put some Stabil in the gas tank to prevent the gas from converting to varnish and then start it up and run it until that stabilized gas is through the carburetor and into the engine. You can leave it with the treated gas in the tank.

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MY RYOBI GAS BLOWER AND VAC IS HARD TO START. IT IS NEVER BEEN USED SINCE I PURCHASED IT FROM HOME DEPOT. I HAVE ONLY BEEN ABLE TO GET IT STARTED TWICE AS A TEST START BEFORE USING IT. WHATS THE PRO


Without seeing in my shop it will hard to tell exactly what is going on. I have ran into a couple starting problems with Ryobi blowers. They carburetor were either being over choked or not enough choke. Both were Ruixing carburetors. Something you can try to find out if it is the carburetor into add a little fuel mix directly into cylinder through the spark plug hole.

Depending on how long you have had it, it may still be covered by the warranty and I would check into that if I was you.

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2 Answers

Why is my air filter on lawn mower saturated with gas?


Probably your Carburetor float seal is leaking inside. Have someone check your Carb.

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2 Answers

Toro 149cc Lawn Mower Won't Start


Most gas mower carburetors have a tiny hole for the fuel to rise into the vacuum venturi throat of the intake. The hole in this riser tube which goes down the center of your float chamber to the area where the fuel sits in the bowl is only as big as dental floss. Take the tine of a wire brush to clear it of crystallized or varnished gasoline and oxidized pot metal tube crust. When they make stainless carburetors, it will eliminate half of the heart attacks caused by this problem. Additives and condensation that settle out in old gas also can lead to clogging.

Apr 17, 2013 | Toro Lawn Mower With Toro Power Tools

2 Answers

I have a toro no prime no choke ready to start lawn mower that won't start


3 most common possibilities: Most gas mower carburetors have a tiny hole for the fuel to rise into the vacuum venturi throat of the intake. The hole in this riser tube which goes down the center of your float chamber to the area where the fuel sits in the bowl is only about as big as dental floss. Take the tine of a wire brush to clear it of crystallized or varnished gasoline and oxidized pot metal tube crust. When they make stainless carburetors, it will eliminate half of the heart attacks caused by this problem. Additives and condensation that settle out in old gas also can lead to clogging. Another very common problem is shearing the aluminum alignment pin in the top of the crankshaft when the mower whacks a log, root or rock. The inertia splits the alignment pin in half and throws spark timing off. So it backfires or won't run. Also check your spark by grounding the fat end of the sparkplug with a jumper cable to the engine casing, leave it plugged to the wire and pull the cord to see if it is firing. Keep spark away from fuel. Ignition points in some small engines get crusty when sitting in humid conditions. So they have to be filed clean of oxidation for proper contact and sparkplug operation.

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1 Answer

Toro push mower with B & S engine won' start unless I put gas in spark plug hole.. I removed carburater bowl and bolt holding bowl is clear. What's wrong?


There is trash in your carburetor blocking the main jet. You are going to have to remove the carburetor and give the carburetor a thorough cleaning. Watch out for the spray carb cleaner, wear safety glasses or a face shield as when cleaning out the carb the passages can redirect back at your face.

I hope this gets you going again.

Aug 05, 2011 | Toro Lawn Mower With Toro Power Tools

1 Answer

The mower starts, then stops immediately.


Try unscrewing the brass bolt that holds the carburetor bowl on and then cleaning it with carburetor/choke spray cleaner. It will have small hole in the bottom and very small holes in the smooth part near the top. Clean and reinstall (this is the main jet) and the gas flow through the carburetor should be normal again.

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2 Answers

I have a GTS 6.5HP Toro lawn mower it start good but will not keep runing what can I do


Does the fuel line have a filter? It sounds like the float in the carburetor is running out of gas. Sludge builds up and the deposits on the needle seat will not let the flow of fuel to be metered correctly.Drop the bowl down off the carb and check for junk in the bowl. Check to se if the float is set at the right setting. Little pieces or rust in the bowl will be sucked up into a jet and plug it up and stop it from running. Do not leave gas in your mower over extended periods of time, this is the cause of sludge and rust build up in gas drawing moisture.

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1 Answer

Toro Model # 20331 Starts, but doesn't run


Mr. Fixit...excellent advisement...really appreciate it. It got my grass cut today. Big yard! Problem is, when I finished, now I have the same problem with it not running...what do you think: take the Toro to the junk yard or what? Thanks!

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8 Answers

Toro Lawn Mower Won't Start


this is a very common problem with these toro mowers. the needle valve in the bowl of the carb. is plugged up with dirt or varnish from the fuel. just under the primer bulb there is the carb bowl. it has a nut under it that holds it on remove the bowl and make sure fuel flows constantly while the bowl is off. push up on the float to stop the gas flow. this could be messy and dangerous. careful with the gas. its flammable. best solution is to remove the carb and soak it overnight in a parts cleaner like gunk. caution small parts inside. this happins every year on mine no matter what i do. seems like the orifice is so small it clogs easily. good luck

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