1983-1985 Original Honda ATC 200X Shop Manual, Page 93Get this manual
CLUTCHOIL PUMPGEARSHIFT LINKAGE
01 PUMP ASSEMBLY
Install the pump drive gear on the oil pump drive shaft
DRIVE GEAR
Align the cutout in the shaft with the cutout in the pump drive gearInstall the oil pump shaft and gear in the body
DRIVE SHAFT OUTER ROTOR
Install the inner and outer rotors and then install the pump cover
Align the boss on the cover with the cutout in the pump bodyCheck operation of the pump by rotating the pump gear by hand