Yamaha 30D - CYLINDER HEAD AND EXHAUST COVER

5-13
POWR
E
ASSEMBLY AND ADJUSTMENT
5. Match the crank case and tighten the
bolts in sequence and in two steps of
torque.
Å Tightening sequence
6. Check that the crankshaft turns
smoothly.
T
R
.
.
1st step:
M8: 15 Nm (1.5 m • kgf, 11 ft • lb)
M6: 5 Nm (0.5 m • kgf, 3.6 ft • lb)
2nd step:
M8: 28 Nm (2.8 m • kgf, 20 ft • lb)
M6: 11 Nm (1.1 m • kgf, 8.0 ft • lb)
Å
G75004-0
CYLINDER HEAD AND EXHAUST
COVER
1. Install the new gaskets, cylinder-head
cover and exhaust cover.
CAUTION:
Do not apply any sealing compound to gas-
ket.
2. Tighten the bolts in two sequence and
in two steps of torque.
Å Tightening sequence
ı Tightening sequence
3. Install the thermostat, gasket and cover.
T
R
.
.
Cylinder head:
1st step:
15 Nm (1.5 m • kgf, 11 ft • lb)
2nd step:
28 Nm (2.8 m • kgf, 20 ft • lb)
T
R
.
.
Exhaust cover:
1st step:
3 Nm (0.3 m • kgf, 2.2 ft • lb)
2nd step:
8 Nm (0.8 m • kgf, 5.8 ft • lb)
Å
ı