85cr 500 engine to aluminum frame

odell42089

Member
Jan 8, 2008
1
0
hey does anyone have any info on what needs to be done to put an 85 cr 500 engine into a 97 cr 250 frame. i put the 500 engine in the frame earlier and it looks like alot of stuff is going to have to altered and if anyone knows what all of those things are i would really like to know. im hesitant with this because i dont want to ruin the frame it wasnt cheap ya know
 

XR250rdr

Member
May 27, 2003
95
0
That generation frame is the easiest, but the older engines take a lot more work to convert than the newer ones.

Your best bet is to take a look at CR500riders.com, conversions have been pretty much beaten to death over there.
 
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