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Other reading: NiCom (Nikasil) Cylinder Coating and Repair - US Chrome - https://www.uschrome.com/nicom-nikasil-cylinder-coating-and-repair

I know they write that, I find it very hard to believe As it has been a very long time sine I have seen it in an Echo. I find it hard to think they go back to an inferior more expensive way. Nicasil is a form of chrome too you know...

I doubt the Echo use chrome. Its likely nikasil The few I have seen made after 1990 had Nikasil. In chromed cylinders you see were the rings turn after some runtime, in Nikasil you don't. Rings are not same in the two. Nikasil coloring is mostly grey with sometimes some colors that fades/wear...

I have still to see a thick layer of Nikasil, It can't be thick, not even in the magical Hyway... It will not work. No one use chrome since late 80's. Not echo or anyone else in what I have seen. If it peels its from bad production as in inpurety's in material under. It has been seen on some...

Nicasil is very, very thin. A few hundreds of an mm... If you damage it in any way its gone. But its very hard to get thru unless there is an edge tool can get to and rip it off.

Yes, it is very strong and Nikasil is almost impossible to wear out. Something else break first. When piston get hotter than it should be sometimes aluminum get stuck on plating. Always combined with scoring and deformed piston/ring to some extent. Removing this is sometimes not as easy as...

A bit alumium after scoring is often not hard to remove. Plating is tuff and very very thin. If plating is damaged in any way its done. Honing etz usually don't di much with plating as its pretty hard stuff, if it does its gone as it's so super thin...