ENG
5-8
EAS00222
REMOVING THE CYLINDER HEAD
1. Remove:
• cylinder head nuts
NOTE:
NOTE:
• Loosen the nuts in the proper sequence as
shown.
• Loosen each nut 1 / 2 of a turn at a time. After
all of the nuts are fully loosened, remove
them.
EAS00229
CHECKING THE CYLINDER HEAD
1. Eliminate:
• combustion chamber carbon deposits
(with a rounded scraper
)
NOTE:
NOTE:
Do not use a sharp instrument to avoid damag-
ing or scratching:
• spark plug bore threads
2. Check:
• cylinder head
Damage / scratches
→
Replace.
• cylinder head water jacket
Mineral deposits / rust
→
Eliminate.
3. Measure:
• cylinder head warpage
Out of specification
→
Resurface the cylin-
der head.
a. Place a straightedge
and a thickness
gauge
across the cylinder head.
b. Measure the warpage.
c. If the limit is exceeded, resurface the cylin-
der head as follows.
Maximum cylinder head warpage
0.03 mm (0.012 in)
CYLINDER HEAD, CYLINDER AND PISTON
