Piston circlip failure on Stihl 1127 series.

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Just an update.Ended up using a supplied clip and an Echo on other side.This is off the top of my head but I ordered 2 Wisco cw-10 supposed to be like .046 and were .039.Matched up some Kawasaki circlips also about .038.Both clips distorted installing, the Echo kept it's shape and any Stihl clip I used.Maybe the red neck install hurts but I hope they improve these.
 
Just an update.Ended up using a supplied clip and an Echo on other side.This is off the top of my head but I ordered 2 Wisco cw-10 supposed to be like .046 and were .039.Matched up some Kawasaki circlips also about .038.Both clips distorted installing, the Echo kept it's shape and any Stihl clip I used.Maybe the red neck install hurts but I hope they improve these.
No, I think the clips are made too soft. When I put some in they didn't seem like they were springy enough, more like plain wire only a bit stiffer.
 

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