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Can i put an 05 crf250 motor in a 04 X frame?

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The only difference is the head..... and cam... y not jsut change that
Also the gearing in the tranny...the engine isnt any better

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The X frame has a different motor mounting location which puts the motor a little more forward in the frame which could be beneficial for woods riding.:cry:

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The X frame has a different motor mounting location which puts the motor a little more forward in the frame which could be beneficial for woods riding.:cry:
All that trouble to put the engine slightly foward :cry: wouldnt it be easier to buy a R model and set it up for woods riding :cry:

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You can't just change the heads, the cases are different. the bore in the o4 case isn't big enough to accept a o5 sleeve.

That would be the cylinder your talking about. It can accept, an 05 head.:cry:

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