Honda PCX150 2013 Service Manual page 235

Install the camshaft with its flange tab [1] facing
backward.
Turn the camshaft 180° so that the tab [1] on the
camshaft flange is facing forward as shown.
Install and tighten the camshaft stopper bolt [2] to the
specified torque.
TORQUE: 10 N·m (1.0 kgf·m, 7 lbMt)
Apply engine oil to the rocker arm [1] roller surface.
Apply molybdenum oil solution to the sliding surface of
the rocker arm needle bearing [2] and rocker arm shaft
[3].
Intake and exhaust rocker arms have identification
marks, "I" [1] is for the intake rocker arm and "E" [2] is
for the exhaust rocker arm.
, [ 2 ]
[2]
CYLINDER HEADNALVES
[ 3 ] ,
[1]
1 1