Cylinder Head Disassembly/ Assembly - Honda HRN216 Series Manual

HRN216

4. CYLINDER HEAD DISASSEMBLY/ ASSEMBLY

Remove the cylinder (P. 10-4).
Note
Rocker arm and push rod removal does not require cylinder removal.
After assembly, readjust the valve clearance
EXHAUST VALVE
INSTALLATION:
The intake and
exhaust valves are
the same. However,
if the valves are
being reused,
reinstall them in their
original locations.
INTAKE VALVE
INSTALLATION:
The intake and
exhaust valves are
the same. However,
if the valves are
being reused,
reinstall them in their
original locations.
CAMSHAFT/CRANKSHAFT/ PISTON/CYLINDER
(P. 3-15).
SPARK PLUG
ROCKER ARM SHAFT (2)
INSTALLATION:
Install each rocker
arm shaft in the
direction as shown.
VALVE SPRING RETAINER (2)
REMOVAL:
Do not remove the valve spring retainers
while the piston is installed, or the valves
will drop into the cylinder.
Push down and slide the retainer to the
side, so the valve stem slips through the
hole at the slide of the retainer.
VALVE STEM SEAL
(Intake valve only)
VALVE ADJUSTING SCREW (2)
VALVE
SPRING (2)
PUSH ROD (2)
VALVE ADJUSTING
LOCK NUT (2)
8 N•m (5.9 ft-lb)
ROCKER ARM (2)
REMOVAL:
Rotate the crankshaft
to top dead center of
the compression
stroke before
removing the rocker
arms.
10-7