Cylinder Head Assembly Repair
600 SRM 1068
Install
1.
Check the condition of the valve cover gasket,
bolts, and seal washers. Replace components as
necessary. Verify that the surfaces are clean.
2.
Install the valve cover and gasket on the cylinder
head. See Figure 4.
3.
Install the valve cover bolts. Torque to 9 N•m
(80 lbf in) in sequence shown in Figure 5.
Figure 5. Valve Cover Torque Sequence
4.
Connect the breather pipe.
ROCKER ARM ASSEMBLY
Remove
1.
Remove the valve cover.
2.
Loosen the nuts evenly that fasten the brackets
for the rocker arm shafts to the cylinder head.
Loosen the brackets at each end of the cylinder
head first and loosen the brackets in sequence
towards the center. Remove the nuts and wash-
ers when the pressure is removed from the rocker
arms. Lift the rocker arm assembly from the
cylinder head.
3.
Remove the rubber seal from the oil supply con-
nection or the hole for the oil supply in the cylin-
der head. See Figure 6.
Disassemble
1.
Remove the clips from both ends of the rocker
arm shaft. Verify that the ends of the rocker arm
shaft are not damaged. Loosen the location screw
for the oil supply connection.
2.
Make a note of the position of each component on
the rocker arm shaft so that they can be assem-
bled correctly. Remove the components from the
rocker arm shaft.
Figure 6. Rubber Seal Location
Inspect
Clean and inspect all the components for wear and
damage. Check the clearance of the rocker arms on
the rocker arm shaft. If the clearance is greater than
0.09 mm (0.0035 in.), install a new rocker arm, or
install a new rocker arm shaft if it is worn.
Assemble
1.
Verify that the lubrication holes in the rocker
arms and the rocker arm shaft are open and
clean.
2.
Lubricate the components with clean engine oil
as they are assembled on the rocker arm shaft.
Verify the components are assembled in the cor-
rect order. See Figure 7. Verify that the loca-
tion screw for the oil supply connection is fitted
correctly in the rocker arm shaft and torqued to
4 N•m (35 lbf in). Install the clips at the ends of
the rocker arm shaft.
Install
1.
Verify that the rocker arm assembly is clean and
dry.
2.
Install a new rubber seal in the hole for the oil
supply in the cylinder head. See Figure 6.
3.
Check that the push rods fit correctly in the sock-
ets for the tappets. Install the rocker arm assem-
bly over the four studs, insert the oil supply con-
nection into the oil supply hole in the cylinder
head.
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