Posted: 5/14/2008 12:09:49 PM EDT
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I have a Ryobi weedeater and it doesn't want to run. It goes through the first two choke settings fine (full choke until it wants to start and then starts on half) but cuts off while warming up. It starts at the half choke setting and runs for maybe ten seconds, then cuts off. Any small engine gurus that can help? I assume its something easy but I'm not an engine guy (yet). It has sat for a while without use, my brother-in-law gave it to me. ETA: its a 31cc 775R model |
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I AM NO EXPERT... I would dump whatever gas is in there... I would pull the spark plug and clean it... I would pull the air filter, clean it and leave it off until you get it running... A little squirt of carb/choke cleaner will help to get it fired up... There are carb adjustment screws (usually with springs under them). Sometimes they wiggle around from the vibrations the motor gives off. I have adjusted (played with) these in the past once the motor is running to get the air/fuel mixture correct which will keep it running when you are off choke... |
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Bad gas can do this. Be sure to go get a fresh supply of gasoline and make some small amount of fresh pre-mix. Old gas left in the carburetor and fuel lines can cause clogs or restrictions. This will cause poor performance or stop it from starting or running. The fix here is to clean/rebuild the carburetor, replace th ecarburetor or replace the entire trimmer. They are just not that expensive that I would waste my tiime screwing with one. |
| This thing was free so if I can fix it myself or even learn a little about small engines its worth it. I'll replace the gas with fresh gas, spray some carb cleaner in the carb and see if I can clean the fuel lines. Where is this spark arrestor? The air filter looks good. I'm thinking fuel line. I messed with the idle settings and it didn't seem to make much difference. |
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depending on how old it is, the fuel lines crack and cause loss of fuel to the carb. There is also a fuel filter inside the gas tank. It comes out by pushing it through and removing it from the gas tank. BUT the new one is a pain to get back in. You basically have to get new fuel line if you do it. Run the fuel line up the hole the filter came out of to the filler hole. Put the filter on then pull it back through to get it in the hole. I had to use a brake adjuster spoon to get pressure on the filter to push it into the hole to seal it. But it runs fine now. 9 years old last month. |