Originally Posted by Rcrenew

No problem Your piston/sleeve had some scratches that we had to clean up. Usually we dont have to resize engines that are in perfect shape very tight. Our way of doing it is actually breaks in very easy compared to most others , and still last a long time. But each engine is different and requires different care. But in your case we had to snug it up a but more to insure a good wearing in of the piston and sleeve surface to each other because of the moderate scratches.

If we had done it light it just would not have lasted you.

But glad to hear eveythings good. Thanks for the update

Take care and thank you,
Lance
RcRenew