1983-1985 Original Honda ATC 200X Shop Manual, Page 33Get this manual
MAINTENANCE
STEERING HEAD BEARINGS
Make sure the cables do not interfere with the rotation of the handlebar -
Raise the front wheel off the ground and make sure that the handlebar rotates freelyIf the handlebar moves unevenly, binds or has vertical play adjust the steering head bearing by turning the steering head adjusting nut with pin spanner (page 11-30)If after adjustment the handlebar still moves unevenly binds or has vertical play, inspect the steering head bearings and replace if necessary (page 11-26)