Honda GX240RT2 Service And Repair Manual page 229

Hold the rocker arm pivot (1) and loosen the pivot
adjusting nut (2).
Turn the rocker arm pivot to obtain the specified clear-
ance.
VALVE CLEARANCE:
IN: 0.15 ± 0.02 mm
EX: 0.20 ± 0.02 mm
Hold the rocker arm pivot and retighten the pivot adjust-
ing nut to the specified torque.
TORQUE: 10 N·m (1.0 kgf·m, 7 lbf·ft)
Recheck the valve clearance, and if necessary, readjust
the clearance.
Check the head cover packing for damage or deteriora-
tion, and install it to the head cover.
Attach the cylinder head cover to the cylinder head, and
tighten the head cover bolt securely.
COMBUSTION CHAMBER CLEANING
Remove the cylinder head
Clean any carbon deposits from the combustion cham-
ber (1).
gx240ut2_gx270ut2_gx340ut2_gx390ut2
(page 12-2).
VALVE STEM
(1)
To increase valve clearance: screw out.
To decrease valve clearance: screw in.
(1)
(2)
(2)