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04 CRF250R Cracked case

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I recently bought an 04 crf250r that I knew was blown up. After I got the motor off and split the cases I found that when the rod ceased up on the crank it cracked the case on both sides. I don't want to put the money in it going brand new oem, if possible I would rather buy a used bottom end on ebay. My question is, what year bottom end will go with my jug and head? From what I have seen I think 04 goes through 07. Any guru's out there with my answer?

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Judging by OEM part numbers, the following years fit your bike:

 

Right crankcase: 2004

Left crankcase:  2004, 2005, 2006

 

If you are planning on buying a complete bottom end already assembled then I have no idea.  I'd stick with a 2004 since the right side crankcase seems to be specific to the 2004 model.

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