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NEED HELP WITH 91 KX 250

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hi guys I just bought a 1991 kx 250 and it has a cracked left side crank case and I was wondering if any other year would be able to fit on with the right side I have looked on ebay and cant find a used 91 left side crank case if anyone has an Idea please let me know thanks :)

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Only '91 will work as far as I know. The stroke changed in '92, and I believe there were tranny changes from '90 to '91 that altered the cases slightly.

 

You don't replace just one case half on a Kawasaki, you replace them as a matched set. The bearing seats are line-bored as a unit to ensure perfect alignment,and the sealing surface is machined to set the shaft end play.

 

That's not saying you can't replace just one half with no problems, but it's not recommended.

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