Service Manual

ENGINE TOP END 5-11
Cylinder Head
•
Remove:
PushRod(seePushRodRemoval)
Rocker Arm Bracket Bolts [A]
Rocker Arm Bracket [B]
•
Remove the cylinder head assembly (see Cylinder Head
Assembly Removal).
•
Support the valve head in the combustion chamber with
a suitable block.
•
To remove the collets [A], push down the valve retainer
[B] with suitable tool and remove the collets.
•
Remove the valve retainer, spring [C] and valve [D] .
•
Remove the stem seals [A].
NOTE
○
It is not necessary to remove the stem seal unless it is
being replaced.
○
Valve guide [B] is not replaceable, do no remove it.
•
App
ly engine oil to the valve stem to avoid damaging the
stem seal.
•
Check to see that the valve moves smoothly up and down
in the guide.
•
Check to see that the valve seats properly in the valve
seat [A]. If it does not, repair the valve seat (see Valve
Seat Repair in the Periodic Maintenance chapter).
•
Valve installation is the reverse of removal.
•
Install the cylinder head assembly (see Cylinder Head As-
sembly Installation).
•
Set the each piston at T.D.C of the compression stroke
(see Cylinder Head Assembly Installation).