1983-1985 Original Honda ATC 200X Shop Manual, Page 58Get this manual
CYLINDER HEADVALVES
ROCKER ARM SHAFT INSPECTION
I nspect the rocker arm shafts for wear of damageMeasure the 0.0with micrometer
SERVICE LIMIT: 11.93 mm (0.470 in)
Calculate the rocker arm-to-shaft clearance
SERVICE LIMIT: 0.08 mm (0.003 in)
CAMSHAFT BEAR NG INSPECTION
Install the cylinder head cover with mm nuts
TORQUE: 28-30 N'm (2.8-3.0 kg-m, 20-22 ft-Ib)