Bilt Tiller/Edger 26cc, Model No. 21at144r766

The 26cc will start but will not run what is my problem?

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The Model number is eleven characters long and is printed on the left side of the Product Identification Label. Characters can include numbers, letters or hyphens.
Powered by a Briggs & Stratton 140cc EX 550 Series™ Engine.
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Model numbers on current (1997 and later) Troy-Bilt equipment are usually 11 characters in length and can be made up of a combination of numbers, dashes, or letters. Model numbers are typically formatted like this: 11AA111A111.
The motor tiller is essentially a lever that utilizes the torque leverage coming from the attached rudder post to change the direction of the motor and, eventually, the direction of your boat. Remember the bow of your boat is always going the opposite way as you pull or push the tiller.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Does not run, will start with starting fluid – Mantis 2-Cycle Tiller
ANSWER : You should never use starting fluid on this model.

Add a couple of ounces of 100% acetone (available at Walmart) to some fresh fuel. Attempt to start for several pulls. Let sit for several minutes and repeat until it sounds like it wants to run.

Then watch this video and do it:

Will only start and run in choked position, when throttle applied chokes out. If started with out choke and throttle position in low speed will start and run for 10 sec then like it runs out of gas.
ANSWER : I have your solution guaranteed, I fixed mine yesturday remove H L screw plastic caps and on high 11 threads exposed and on the low side 8 threads exposed. removing the plastic caps allows u further adjusting these wear out or move soo just take them things off and you will be rolling

Weed eater starts but won't stay running – Weedeater 19 in 25cc Gas Hedge Trimmer
ANSWER : Probably “gum” and “varnish” build-up clogging the TINY passages [called ‘galleries”] inside the carb!

Lawn mower will start and run for 5 seconds and shut down
ANSWER : Will it stay running with your choke on? if so then clean your carb. if not then look for a blockage from tank to carb. ie fuel shut off, deteriorated fuel line. plugged filter etc

Engine will crank with starting fluid, but dies.
ANSWER : Have you checked the spark plug and see if its clean and also check the fuel line and carburetor for clogs. And you can also check the air filter.

Hope you find this helpful.

Seems to start easily run for a few minutes and then slow and stop–bulb remains full –gas is good–have tried half choke in case too lean–did not solve–also seems possibly related to the angle I hold it at–seems to cut out quicker if blower tube angled more downward.
ANSWER : Your filter may be hanging up in the tank. you also my be losing compression

We can start the tiller but it only runs for about a minute (we just changes the carburator) and the blades don’t spin at the correct speed. Any ideas?
ANSWER : Do what this video shows you:

Starts right up on choke. then run inrun position for a minute and have to go back to choke to keep it running ,then it runs fine for a couple of minutes and have to go back to choke and start all over again.
ANSWER : This happens with the cover off, so not the filter.