The problem is likely varnish buildup in the carb. Add PAINT THINNER ( yes, I meant to say that !) to the gas. Use 1.5 ounces each of Xylol ( Xylel) and Acetone per 10 gallons of gas ( 5 gal. can will use 3/4 ounce each ).Drain gas tank and carb float bowl. Add fresh gas mixed with thinners. Remove air cleaner element and use quick starting fluid with upper cylinder lubricant to start mower, and keep it running with SHORT bursts of starting fluid until it will run on its own. You may also need to replace or clean air filter if it is old or dirty. continue procedure for 5 minutes or so. Remember to run Sta-bil fuel stabilizer through the system before you shut down for the season, as this will prevent the varnish build up.
I've been using thinner in all of my engines ( gas, pre mix, and diesel ) for a few years with no bad side effects. I've ridden over 15,000 miles on my motorcycle - getting better mileage and power, and not having to buy premium gas either.
Hope this helps!!
SOURCE: I have a 2006 Toro 6.75 hp GTS lawn mower. I am
Your carburetor needs cleaned,you had gas in it that you drained out and replaced with new ? What engine do you have tecumseh,briggs,? Anyway remove carburetor and take apart get acan of carburetor cleaner and spray though jets in carburetor and blow out jets be carefull not to blow out needle seat !
SOURCE: I have a GTS 6.5HP Toro lawn mower it start good
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.
Testimonial: "Icleaned the bowl it works good now"
SOURCE: mower will not stay running
cleaning the carb might work soak it in gas foe a lil wile and it may fix the problem
SOURCE: Toro self propelled mower rear wheel keeps falling off
Are these regular bolt on wheels? Have you changed the nut?
I would expectc to find a "Stover" nut on such an appllication. Stover nuts are similar to "NY-Lock" but without the nylon lock. Rather, Stover (and you have to ask for them at the hardware or auto parts place), are not round and/or have had a certain side portion punched to make the nut hard to put on. Some well meaning back yard mechanics (read me) have 'fixed' the Stover by running a tap through them maning them easier to get onto the threads ... but alas, it didnt stay. That was how I learned about Stover.
Let me know if this helps.
A
SOURCE: totr model #20479 GTS 5 motor, when you push prime
Fuel Starvation - Float Bowl Carburetor
1) remove air filter assembly
*be cautious of tearing the mounting gasket. If it does tear, you HAVE to replace it. It is part of the priming system
2) remove the float bowl fastener. This is the main jet
3) carefully remove the float bowl, the rubber o-ring/gasket will not be able to be used if it is removed, you WILL have to replace it
4) using a spray 'carb cleaner'
spray up thru the center of the carburetor
spray and clean the main jet with cleaner and 'tag' wire
(tag wire is very thin, and can be used to clean the hole in the center of the main jet)
5) clean any debris from inside the bowl or carb body
6) re-install bowl and center bolt, air filter assembly
*if you need gaskets, your Briggs dealer can supply. The kit is cheaper than individual gaskets, and all the parts needed to finish the above repair are in the kit.
I’m happy to assist further over the phone at https://www.6ya.com/expert/rolandw_c013176d62ee17ae
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