2-12
CHK
ADJ
PERIODIC MAINTENANCE
BREATHER HOSE
1. Check:
9
Breather hose
1
Crack/damage
→
Replace.
Poor connection
→
Correct.
1
CYLINDER HEAD DECARBONIZATION
1. Remove:
9
Cylinder head
(Refer to “CYLINDER HEAD COVER,
CYLINDER HEAD” in 7VB-F8197-E0
chapter 3)
2. Eliminate:
9
Carbon deposits
(Refer to “CHECKING THE CYLINDER
HEAD” in 7VB-F8197-E0 chapter 3)
3. Install:
9
Cylinder head
( R e f e r t o “ I N S TA L L I N G T H E
CYLINDER HEAD ASSEMBLY” in
7VB-F8197-E0 chapter 3)
ADJUSTING THE VALVE CLEARANCE
1. Remove:
9
Spark plug cap
1
9
Spark plug
2
NOTICE
Before removing the spark plug, use com-
pressed air to clean the cylinder head
cover to prevent dirt from falling into the
engine.
2. Remove:
9
Breather hose
3
9
Cylinder head cover
4
9
Cylinder head cover gasket
1
3
4
2