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Everything Dirt Bike
Make / Model Specific
Yamaha
Pulled off my head, are these parts good or bad?
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<blockquote data-quote="cleonard" data-source="post: 112371" data-attributes="member: 21"><p>You don't really need to hone much if at all. It's not an iron sleeve. It's a really hard plating on the aluminum. If there are still crosshatch hone marks it may just need some vigorous cleanup with soap and a Scotchbrite pad or two . Unless the engine is high time a hone is not usually needed and can be a dangerous operation.</p><p> </p><p>Clean that bore first and post some pics as I doubt you need to hone.</p><p> </p><p>Here is a great document about doing a modern four stroke top end. <a href="http://www.eric-gorr.com/pdfs/4%20stroke.pdf" target="_blank">http://www.eric-gorr.com/pdfs/4 stroke.pdf</a></p></blockquote><p></p>
[QUOTE="cleonard, post: 112371, member: 21"] You don't really need to hone much if at all. It's not an iron sleeve. It's a really hard plating on the aluminum. If there are still crosshatch hone marks it may just need some vigorous cleanup with soap and a Scotchbrite pad or two . Unless the engine is high time a hone is not usually needed and can be a dangerous operation. Clean that bore first and post some pics as I doubt you need to hone. Here is a great document about doing a modern four stroke top end. [url]http://www.eric-gorr.com/pdfs/4%20stroke.pdf[/url] [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Yamaha
Pulled off my head, are these parts good or bad?
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