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Repair guides and support for weed whackers, also known as string trimmers, weed eaters, edge trimmers or line trimmers.

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I’m Out Of Ideas. Fuel Leaks

Had problems with my strimmer leaking fuel from lines. Replaced them, but then started leaking out of the Carburetor. Bought a new Carburetor which seemed to fixed the problem and it started first pull (although priming bulb seemed very difficult to press and more bubbles than I can remember were inside). But after about 20 minutes of use the engine started dying and fuel started leaking out of the air filter. Anyone have any ideas or shall I call it a day.


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After fighting with these things for years, all the maintenance and frustration, smell and oily mess, I threw the cursed thing in the trash and got a battery driven Worx WG124 Trimmer & Edger and love it!

Actually after using it for three weeks I bought one of their electric mowers after taking my Toro to the repair shop again and getting a quote of $275 to rebuild the carburetor. I got this one and it’s great, does the job and my blood pressure does not go sky high fighting with these gas powered nightmares.

2023 - Well this is to refute my praise for the electric. The battery went bad and the company does not make the battery anymore so the mower is useless to me.

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I realise this is a very old question, but it came up now because someone had answered (but it was removed), and I do have some experience with small engines. Having a leaky engine is common, especially in the US/Canada/UK, due to the fuel there. The ethanol used as additive destroys the fuel system, gums up in the carb(s) and wreaks havoc on diaphragms in the 2 stroke carbs and the fuel lines. Fuel lines and filter must be replaced fairly often, and the machine should be run dry of fuel before storage.

Changing the gas tank cap is also often needed, because there is a vent there that very often gums up, increasing pressure in the tank and stopping airflow.

@mayer I just have to note: $275 to rebuild a carb is just appalling!! That’s a $50-60 job, and that should even include most parts (unless it uses a more expensive float). Toro mowers are dang easy to work on too!


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Luke davies will be eternally grateful.
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