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  #11  
Old 08-07-2008, 10:03 PM
EMJ EMJ is offline
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I have the same problem with my 2-stokes (mostly echo). I find this helps some. Let motor idle a little before shut down. Before starting pump the primer bulb 10- 20 times.. I find this helps alot. Also I will open and close the choke at full throttle without letting it die. It is a real pain in the #$$!
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  #12  
Old 08-12-2008, 06:11 PM
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jkilov jkilov is offline
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I had an echo blower years back doing something like you described. Took me a long time to find out vapor lock was causing it.

There were more factors contributing to the problem:
- the fuel itself (someone already made an excellent explanation)
- the fact that blower gas tanks are not protected from the sun (fuel getting hot)
- a small air leak between insulator and cylinder
- and echo making a low quality insulator block (the carb was always hot to the touch after running long)

I would take a can of carb cleaner on the job and once the problems started just spray it on the carb to cool it down and that's how I noticed the leak.

Fixed the problem by drilling a hole in the blower housing near the carburetor so it would blow a bit and cool it down. The carb was always dirty after that and I was afraid shooting debris might end up damaging fuel lines, but as simple as it was it worked flawlessly.

Hope it helps.
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  #13  
Old 08-12-2008, 06:20 PM
echoman8 echoman8 is offline
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Excellent post. Great ingenuity. I had noticed the motor changing sound immediately when the manifold was sprayed with wd40. I asked our old mech why and he said it was cooling it off. Will try

Thanks
echoman
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  #14  
Old 08-13-2008, 11:38 AM
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SLR SLR is offline
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Quote:
Originally Posted by jkilov View Post
Fixed the problem by drilling a hole in the blower housing near the carburetor so it would blow a bit and cool it down.
A+ trouble shooting!
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