Cylinder Head Removal - Honda C8R600F4 Service Manual

CAMSHAFT OIL CLEARANCE
NOTE:
Do not rotate the camshaft during inspection.
The camshafts
Wipe any oil from the journals of the cylinder head,
have the identifi-
camshaft and camshaft holder.
cation mark:
Put the camshaft onto the cylinder head and lay a
- IN: intake
strip of plastigauge lengthwise on each camshaft
- EX. f:fxl1au::1l
journa avoiding the oil hole.
Carefully install the camshaft holder onto the
camshafts.
Apply engine oil to the threads and seating
surfaces of the camshaft holder bolts.
Install the twenty holder bolts with the eight
washers as shown.
The camshaft holder have the number "1 thru. 20".
Temporarily tighten the four bolts of the center
area gradually in the sequence 6-5-8-7 until the
dowel pins on the camshaft holder inserts into the
pin holes in the cylinder head properly (The
clearance between the holder and head is 1-5
llllll ).
Next, tighten the all bolts in numerical order cast
on the camshaft holder (1 thru. 20) in several steps.
TORQUE:
12 N·m (1.2 kgf·m, 9 lbf·ft)
Remove the camshaft holder and measure the
compressed plastigauge at its widest point on the
camshaft to determine the oil clearance.
SERVICE LIMIT: 0.10 mm (0.004 in)
If the oil clearance exceeds the service limit,
replace the camshaft and recheck the oil clearance.
Replace the cylinder head and camshaft holders as
a set if the oil clearance still exceeds the service
limit.
CYLINDER HEAD REMOVAL
Drain the coolant (page 6-5).
Remove the following:
-camshafts (page 8-4)
-two bolts and thermostat housing
CYLINDER HEAD/VALVE
8-7