If you used slightly longer bolts and made some spacers to go between the peg assembly and the engine would that work?
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E-mail ebay seller coloradokiteski , he has the China reproduction footpeg sets for the CT-70 that should work. If not there are always some on e-bay. I didnt have any problems adapting my CT-70 clone footpeg assemblies to the zongshen 125. On the XR-70 and CRF 70 dirtbikes I converted I would start all 4 bolts by hand and tighten them down and let the pegs bend themself into place then pry on them gently to get some more space.
1972 Honda CT-70H 97cc 4 speed
2004 CT-70H -Black Clone W/124cc Motor
2005 CT 70H -Red Clone W/86cc Motor
2002 Honda XR-70 W/ 108cc Motor
2005 Honda CRF-70 W/124cc Motor