Author Topic: Echo 590  (Read 4511 times)

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Offline Cut4fun .

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Re: Echo 590
« Reply #60 on: June 20, 2018, 08:08:45 am »
First echo 590 I have tore into. Interesting lay out. Had to pull tank to get to the t27 bolts for intake boot. If I had a small 90 degree could have done it without pulling tank down. Is there a easier way?
Also what is the normal psi on these? This one was pulling 140psi and ran pretty dang good still. I never pulled the muffler till yesterday to muffler mod. So could have been scored from being to lean since I got it from owner that bought it new. I just pulled the plastic stops last weekend to fine tune it. Domed piston. Like the cylinder layout too.

few pics showing

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