Ms310 cylinder (pics) is it still any good ?

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slowcar281

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So I ended up with a free ms310 with a scored piston, and a crank bearing that came apart. I tried cleaning the cylinder.. didn’t have any acid but lots of sandpaper. Had to go down as far as 100 grit to remove the aluminum. It’s pretty clean now but I don’t know if it’s still useable. If it’s not, no big deal as I only have my time and a few beers into it. The first pic is what it looked like once I tore it down.
 

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Thanks for the input. I couldn’t feel anything so I had my wife run her nails across it and I believe it’s fine.

I’d like to throw a set of bearings, a piston, and new impulse/ fuel lines and see what happens. The saw is in pretty good shape otherwise
 

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