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Echo Carburetor Tuning


sgg93's Avatar
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Join Date: Jun 2012
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NC

06-28-12, 07:37 PM   #1  
Echo Carburetor Tuning

  • I have a GT 200 trimmer that refuses to run at full throttle. Top RPM is achieved at just over half throttle. Using full throttle results in a stumble that causes a stall. The PB 200 of slightly newer vintage runs rough and refuses to hold top RPM, instead swaying up and down when held at full throttle. I've messed with the screws, but not the stops. New plugs, air, and fuel filter on both. Just cleaned the spark screen on the PB 200 with no effect. Any suggestions?

Thanks,
Cole

 
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cheese's Avatar
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06-28-12, 08:35 PM   #2  
Sounds like a carb cleaning is in order for both.


"Who is John Galt?" - Ayn Rand (Atlas Shrugged)

God bless!

 
sgg93's Avatar
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06-29-12, 02:51 AM   #3  
Pull them off, strip them down, and soak them?

 
marbobj's Avatar
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06-29-12, 03:47 AM   #4  
Yep, then blow'em out with compressed air.

 
cheese's Avatar
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06-29-12, 09:52 AM   #5  
I would use spray carb cleaner rather than soaking them. Soaks can ruin rubber parts and some carbs have rubber check valves that can't be easily removed.


"Who is John Galt?" - Ayn Rand (Atlas Shrugged)

God bless!

 
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