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Will 75 cyl head fit on 74 engine
https://vintagedirtbikeforums.alp-sys.com/viewtopic.php?f=21&t=923
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Author:  Matt [ Thu Feb 23, 2006 9:32 pm ]
Post subject:  Will 75 cyl head fit on 74 engine

Hey guys, I wanted to know if a 75 CR250 cylinder head will wit on my 74 engine. The bolt paterns are the same, but do I have to worry about piston clearances or any other problems. Also the fins are lower on one side for the high pipe on the 75 bikes, is this a concern for cooling? Putting in some late nights to get my bike back together for Florida next weekend. Hope to see everyone there.

Thanks,
Matt

Author:  expat [ Wed Mar 01, 2006 12:09 am ]
Post subject: 

Fits straight on.....no problems at all.
Cooling with shorter fins will be fine

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