Ryobi string trimmer starting problem

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  #1  
Old 03-05-16, 12:47 PM
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Ryobi string trimmer starting problem

My string trimmer will run briefly (2-3 seconds) and then stop. I have to wait a while and try again. I'll start it again, run briefly (2-3 seconds) again and stops again. What is wrong? Do I need a new carburetor?
 
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  #2  
Old 03-05-16, 01:22 PM
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Trimmer

Check your fuel lines for deterioration.
 
  #3  
Old 03-05-16, 03:16 PM
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While a new carb may fix the problem, there are things to check before you do that.
1-Make sure fuel is in the tank.
2-When was the fuel filter in the tank changed?
3-When was the spark plug changed?
4-When was the spark arrester cleaned?
5- If the engine was running fine before this problem, I would get a repair kit that included the 2 diaphragms. Make sure the diaphragm/gasket sequence is correct.
To provide more help, will need to know the current carb manufacturer and model.
Good luck.
 
  #4  
Old 03-05-16, 05:51 PM
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I've just now changed the fuel lines. Only a year old but what the heck... Haven't changed a plug or an arrester (not even sure it has an arrester). I'll get some fresh gas and try in the morning. Thanks for the responses.
 
  #5  
Old 03-06-16, 10:12 AM
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Ok, I put some fresh gas in and it fired up. I let it run so it warms up. As it warms up it starts to die down. I flip the lever to open the carburetor and it it cuts off. What's wrong now?
 
  #6  
Old 03-06-16, 11:49 AM
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At least 90% of the time it's going to be a carb. issue.
Last time I looked for parts to rebuild one all you could buy is the whole thing, not the parts to rebuild it.
 
  #7  
Old 03-06-16, 06:33 PM
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Ok, thanks. Any idea what they cost or where to order one?
 
  #8  
Old 03-06-16, 06:40 PM
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https://www.ryobitools.com/outdoor/support/parts\
Keep in mind you've bought the cheapest brand on the market and it's not going to last very long before spending to much money on it.
Buy a higher end Stihl brand and use it for a life time.
You gave use no model number so no idea what the cost would be.
 
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