Lakeside53
Stihl Wrenching
brutally hard on the bearings... and yes, any nylon will shatter...
The ring land area is only one thing to consider - measure the skirt - I bet it's tapered... Among other issues...worn skirts is noisy (piston slap) and raises poor idle issues.
It's hard to tell for sure, but is that light scoring all the way across, or is it only that one streak? If only the one streak, you could smooth it up and open the ring groove back up and put a new set of rings on it. I'd personally want to see a new piston in it if it was to see much use. I've seen a piston that had seized and locked up in a saw get polished and reused. Runs great.
I took the liberty of posting this of behalf of RR2 (and for my own knowledge).
Is this piston a candidate for cleaning/ light sanding/ polishing and a new set of rings? What would you need to look out for if you did this?
Experts, what say you?
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Just keep in mind that a new P&C is anywhere from $299 and up.
That's what I was thinking, that exhaust port has been worked over.
But he did say it was pop-up piston.
I just couldn't resist....
Saw... plus spare 41 inch bar:
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