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I wonder why the drive chain on the CRF-R is so small?

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I noticed the YZ85 has a beefier chain ... seems like the CRF chain is tiny in comparison.  Anyone ever break one?  I suppose they did it to save a little bit of weight. :excuseme:

Edited by zone47

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They don't seem to break. Sprockets are available for 428 chain if you are tough on your driveline.

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They don't seem to break. Sprockets are available for 428 chain if you are tough on your driveline.

I guess that's a good thing.  I wonder if they stretch any worse than a larger chain?   I guess I'll not worry about it until I have a problem.  Thanks.

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I guess that's a good thing. I wonder if they stretch any worse than a larger chain? I guess I'll not worry about it until I have a problem. Thanks.

never broke one even on a highly modded motor

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