2-
3
9
）
Structure of cylinder head assembly is as follows:
10
）
Unscrew and remove the connecting bolt of cylinder head.
(NOTE: Hexagon socket bolt specification: M6
×
14 Tightening torque of
bolt 8
～
12N
·
m
）
11
）
Remove the cylinder head assembly.
12
）
Remove the split cone, valve spring and valve. Check them for wear.
Replace the worn parts if necessary.
