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Discussion Starter · #1 ·
Hello All,

During the engine teardown I managed to scratch the cylinder wall when removing the piston. Below are some images that show the scratch I am concerned with (hard to capture in an image). . There is definitely a defined scratch I can feel when wiping my fingers across it. . Is this something I should be concerned about? I was looking at purchasing a honing tool to try and smooth it out some (image also shown below). Looking for peoples opinons/experience on this. Did I destroy the block and should I start looking for a new one?

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Images will obviously not do any justice
 

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2021 Benelli Leoncino Trail - 2021 CSC SG400 - 2017 SSR Buccaneer 250i - Several CX project bikes
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Lightly hone it until there are no high edges. If there are no high edges, don't bother honing it. Then run it. You'll have zero problems. I had a V30 that broke a wrist pin, and the rod put a 2mm deep 1" long vertical scar on the cylinder. Honed the high points off fit a new rod and piston and went on my merry way. It used a little oil, but it ran like a top for another 10k miles. That was a deep gouge, yours is a tiny scuff, I think you'll be completely fine.

Charles.
 

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Discussion Starter · #4 ·
Thanks for the feedback guys. I will try to hone it a bit to see if it will smooth out some and just run as-is.

Thanks,
Dave
 
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