Question about Echo CS400 18" Chain Saw
Just repaired fuel line. To do so had to remove carb. Now when started all it does is runs at almost full throttle. all throttle linkages seem to be free with no binding. and not much change when adjust the throttle or idle settings. This is on a cs-400 echo
Make sure the carburetor was re-installed correctly as any air leak between the carburetor and cylinder will cause high engine speeds but almost no power. It can also scuff the piston/ring(s) and cylinder due to very lean lubrication from the fuel. Hope this helps!
Posted on Jul 13, 2010
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Posted on Jan 02, 2017
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