Echo SRM-2501... Won't Start

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  #1  
Old 06-18-12, 08:13 PM
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Echo SRM-2501... Won't Start

Hello all,

I have an Echo SRM-2501. I started having problems for the first time this season. I have changed the filter, fuel lines, piston and rings. I have also cleaned the carb (let me also say that I am a wanna be small engine mechanic that is starting to get extremely frustrated). I can pull and pull and pull and no start.

Do I need to take the carb off and re-clean
Do I need new spark plug (I am getting spark now)?
Why is my air filter wet?
The screen at the bottom of the exhaust is also wet?

Any imput would be appreciated
 
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  #2  
Old 06-18-12, 08:38 PM
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When you cleaned the carb, did you install a repair kit?? Ethenol in the gas destroys them...Also make sure you have the metering lever adjusted correctly & the metering gasket & diaghragm installed in the right order.. Hope this helps... Roger
 
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Old 06-19-12, 04:05 PM
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not sure what the metering lever is? I bought all new gaskets, including the prime plug.

some additional information I have ran into today... I took the exhaust off an slowly pulled the starter cord as I did this I watched the piston.. the piston is moving freely but it doesn't seem to be an air tight seal.. I have bubbling as the piston is pushed upward in the cylinder causing gas to exit through the exhaust? did i stretch the rings to much putting them on?
 
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Old 06-19-12, 09:26 PM
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If you hear bubbling, your filter is wet, etc... then your carb is messed up and your engine is flooding terribly.
 
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Old 06-19-12, 09:53 PM
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Go to the web site for the people that make your carb (walbro,, Zama, Etc),,They have excellent shop & parts manuals online!!! They show the metering Lever & how to adjust it.... Roger
 
  #6  
Old 06-19-12, 10:01 PM
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To add to what the others have said, it sounds to me like Carburetor problems that are leading to a flood. This is always tricky to diagnose because you can't do a simple "mix in the cylinder" test because your plug is already too wet to start.

I would certainly start with the carb kit as suggested & take it from there. Good luck.
 
  #7  
Old 06-20-12, 06:41 PM
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Update!!

I really appreciate all the posts. I have it running!!! I am not happy about the torque. It seems when I hit a large patch of crab grass it wants to bog down.. It also seems to be burning a lot of fuel. One other thing I noticed is that it seems to be burning hot! I don't recall the trimmer producing the heat that it is? I know that I am mixing the fuel correctly 50:1, but I don't know if the carb is set correctly. It idles good and the throttle is good. Again thanks for all the help
 
  #8  
Old 06-20-12, 07:54 PM
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Have you put the rebuild kit in it & adjusted the metering lever yet?? If not, this may make them run hot,,, Roger
 
  #9  
Old 06-21-12, 07:32 PM
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not yet Roger. I have a kit from zama on order. I did take everything apart and noticed te metering lever wasn't springing very well. I gently stretched the spring out and it seemed to work. I know this isn't optimal but right now its getting the weeds trimmed. I appreciate your insight.
 
  #10  
Old 04-04-13, 04:35 PM
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Echo SRM-211 trimmer with starting problem

Had an Echo SRM-211 that would not start, even though I had used it one week earlier. I found that a mud wasp had decided to put its larvae in a mud nest inside of the exhaust port, completely blocking the output.
 
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