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Troy-bilt 4 stroke trimmer won't stay running

Panterawill's Avatar

Join Date: May 2012
Posts: 1

05-23-12, 06:50 PM   #1  
Troy-bilt 4 stroke trimmer won't stay running

I have a TB525 4 stroke trimmer. It is only 2 years old. I always drained the gas for the winter. It will start and only run in 1/2 choke with full throttle. Dies right away when I remove choke.
I disassembled the carb and it looked really clean. Gaskets looked good.If I spray WD40 around the carb, it will run better and run for a while with no choke. If I spray carb cleaner around the carb, it also changes the rpm.
I thought there was a leak but everything looks good.
Suggestions anyone?
BTW, fuel is fresh. I put some Seaform in there with no change.

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cheese's Avatar
Forum Topic Moderator

Join Date: Jul 2001
Posts: 16,567

05-23-12, 09:04 PM   #2  
Sounds like you need to clean the carb.

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