1983-1985 Original Honda ATC 200X Shop Manual, Page 76Get this manual
CYLINDERPISTON
Inspect the top of the cylinder for warpage
SERVICE LIMIT: 0.10 mm (0.004 in)
PISTON REMOVAL
NOTE: Stuff shop towel into the crankcase to prevent objects from falling inRemove the piston pin clip with pliersPress the piston pin out of the piston and remove the piston