nickcarlevaris Posted April 24, 2010 Share Posted April 24, 2010 I have a 73' TX500 and was wondering how difficult it would be to swap an xs650 engine into the TX frame. Are mounts similar? Would the xs650 be to big to fit in the frame. Thanks for any info -Nick Link to comment Share on other sites More sharing options...
Speedshop Posted April 26, 2010 Share Posted April 26, 2010 I dare say you could get the 500 engine to go as well as the 650, there wasn't a lot between them when new. Although you get more torque from the 650! Link to comment Share on other sites More sharing options...
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