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Cylinder Head Installation - Yamaha WaveRunner FZR-GX1800 Service Manual

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POWR
Cylinder head
6
2
0
6
3
9
5
2
1
E
6
2
2
2
3
7
1
4
8
2
2
5-78
4. Lightly tap the upper spring seat with a
plastic hammer to set the valve cotters 6
securely.

Cylinder head installation

1. Install:
• Cylinder head
Installation steps:
1. Pass the timing chain 1 through the tim-
ing chain cavity.
2. Apply engine oil to the cylinder head bolts.
3. Tighten the cylinder head bolts 2 and 3
to the specified torques.
NOTICE
Do not reuse the cylinder head bolts, al-
ways replace them with new ones.
TIP
• Tighten the cylinder head bolts in the
sequence shown.
• Use a commercially available angle gauge to
tighten the bolts to the specified angle.
Cylinder head bolt (M12 × 140 mm) 2:
1st: 48 N·m (4.8 kgf·m, 35.4 ft·lb)
2nd: 90°
Cylinder head bolt (M6 × 55 mm) 3:
10 N·m (1.0 kgf·m, 7.4 ft·lb)
E
1
2
3
4
5
6
7
8
9

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Waverunner fzr-gx1800a

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