Question about Troy Bilt Tb425cs 26cc 4 - Cycle Curved - Shaft Gas Trimmer with Ez - Start and Speed Spool

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Weed eater starts, won't stay running. Have replaced fuel lines, cleaned carb, cleaned screen in the carb, and followed pretty much all other suggestions on line. Fuel line has bubbles in it, but is not leaking from anywhere. Any suggestions for finding the culprit and/or moving ahead to fix problem.

Posted by Anonymous on

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

#1 Taper
  • 1040 Answers

SOURCE: Troy Bilt TB 465SS Pony 4 cycle weed trimmer won't start

Sounds like you need to take the carb. apart and clean it. I like to use a Den Tek Brush, (used for cleaning teeth), to clean the small ports in carb. they work great for this job. Make sure to either clean or replace the small screen in thcarb. as well.

Jim

Posted on May 26, 2009

  • 7 Answers

SOURCE: 25cc weed eater, will only idle

double check your carb as it should have a screw for the fuel mixture. some carbs have a plastic piece over them that only lets you move the screws so far if you need more extreme adjustment they pull out about a 1/8th of a inch then you can turn in then push it back in, same principals as making a flame on a bic lighter bigger, if you cant find it take some pics of your carb and email them to me @ prerunnerrngr@yahoo.com and i will point them out

Posted on Jul 14, 2009

  • 130 Answers

SOURCE: Trot Bilt 4 cycle weed eater catches, but wont run.

rebuild carb to fix problem.let me know if this help you.ok

Posted on Jul 25, 2009

  • 1 Answer

SOURCE: Fuel line size for troy built TB20CS weed eater

You probably have found the solution by now I would assume... TB won't tell you this because they want you to buy their stuff..
You probably are looking at the 0.08" diameter that's just a bit smaller than the 3/32". Hope this helps....

Posted on Apr 09, 2010

  • 78 Answers

SOURCE: replaced primer bulb and all fuel lines still

The primer bulb pulls fuel from bottom of fuel tank,when bulb is full it will return fuel back into tank,the hose entering bulb runs in the tank to bottom with filter on the end,the return hose stops just as it enters the tank maybe 3/4",make sure the hoses entering tank are tight fit or they will pull air in and leak.the carb may also need rebuild/clean,there is a screen inside of carb that may be stopped up which will need to be replaced.(carb kit).

Posted on Feb 18, 2011

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Won't stay running


You will need to disassemble the carburetor and spray with carb.cleaner. Make sure the small screen is free of debris.(Should be able to see daylight through it.)

Use a Den Tek Brush, (http://www.drugstore.com/products/prod.asp?pid=165357&catid=1152),to clean the small portals in carb. These portals can become blocked. Reassemble and start.

If the carb. parts are more than 4 years old, you may have to replace them.


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