125's bore & stroke is similar to ANF125 (Innova/Wave...)
https://en.wikipedia.org/wiki/Honda_Wave_series | Honda
https://www.scribd.com/doc/98307128/...a-X-125-PGM-FI said
.002" ±.001"
The 150 is a GY6 clone. In good old Kymco
GY6D shop manual
.12mm (something btw .004" & .005" )
RHINO = powered by
CG family (push rod machine) Honda spec is ~ .003"±.001" | Chinese maker said ~ .002" |From experience in here:
IN .002" / EX .003"