Smooth cylinder walls? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 3 (permalink) Old 04-20-2016, 04:22 PM Thread Starter
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Smooth cylinder walls?

Pulled the head off the front cylinder and noted that there was no cross-hatching on the cylinder walls, so wondered if there had been excessive wear, as the engine only has about 15k on it. However, I didn't feel any kind of a lip at the top to indicate that there was enough wear to have gone through the cross-hatching. Basically, it seems like the walls may have come from the factory perfectly smooth, which I wouldn't think is a good thing.

Anyone else seen this?
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post #2 of 3 (permalink) Old 04-20-2016, 05:22 PM
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It's normal, crosshatching should be gone by 15000 miles. It doesn't need to be there after the new rings have seated. Seeing crosshatch can be an indicator of how much wear or age is on an engine, but the lack of it at those miles is not a problem. The crosshatch hone marks aren't deep at all.

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post #3 of 3 (permalink) Old 04-30-2016, 10:06 PM
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I noticed my cylinder walls were smooth today when I removed both ..and this bike has 7,400 miles on it for reference.

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