1983-1985 Original Honda ATC 200X Shop Manual, Page 16Get this manual
LUBRICATION
OIL FILTER ROTOR CLEANING
NOTE: Clean the oil filter rotor before adding oilRemove the right crankcase cover (page 8-3)_
Remove the oil filter rotor cover and clean the rotorMake sure that the rotor cover gasket is in good condition and install the oil filter rotor cover_