Yamaha Waverunner FX 160, Руководство по обслуживанию

Страница: 358 / 774

5-66
E
POWR
CYLINDER HEAD
3. Measure:
• Cylinder head warpage
Out of specification
→
Replace the cyl-
inder head.
Cylinder head warpage limit:
0.1 mm (0.004 in)
Measurement steps:
• Place a straightedge
1
and a thickness
gauge
2
across the cylinder head.
• Measure the warpage.
• If the limit is exceeded, replace the cylin-
der head.
Cylinder head installation
1. Install:
• Cylinder head
NOTE:
• Pass the timing chain through the timing
chain cavity.
• Lubricate the cylinder head nuts with engine
oil.
• Tighten the cylinder head nuts in the
sequence shown.
T
R
.
.
Cylinder head nut
1
:
1st:
20 N • m (2.0 kgf • m, 14 ft • lb)
2nd:
121
±
5°
Cylinder head nut
2
:
1st:
20 N • m (2.0 kgf • m, 14 ft • lb)
2nd:
105
±
5°
Cylinder head nut
3
:
1st:
20 N • m (2.0 kgf • m, 14 ft • lb)
2nd:
140
±
5°