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CYLINDER HEAD
Warpage limit:
0.03 mm (0.0012 in)
• If the warpage is out of specification,
resurface the cylinder head.
• Place #400 ~ 600 grit wet sandpaper on the
surface plate, and re-surface the head using
a figure-eight sanding pattern.
TIP
Rotate the cylinder head several times to
avoid removing too much material from one
side.
ASSEMBLY AND INSTALLATION
Cylinder head
1. Install:
• Dowel pin 1
• Gasket 2
2. Install:
• Cylinder head
• Copper washer
• Bolt (cylinder head)
M8
22 Nm (2.2 m • kg, 16 ft • lb)
M6
10 Nm (1.0 m • kg, 7.2 ft • lb)
TIP
• Apply Quick gasket
No.1215) on end of the cylinder head bolts
(M6), as shown.
• Apply the engine oil on the contact surfaces
of the bolts (cylinder head) and copper
washers.
• Follow the numerical order shown in the
illustration. Tighten the bolts in two stages.
Quick gasket
ACC-QUICK-GS-KT
YAMAHA Bond No.1215:
90890-85505
4-16
ENG
New
®
(YAMAHA Bond
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