Installing The Power Unit; 6H95G11 - Yamaha EK40G Service Manual

POWR
NOTE:
Apply LOCTITE 572 to the cylinder head
bolts and the cylinder head cover bolts before
installation.
Cylinder head bolt:
1st: 15 N·m (1.5 kgf·m, 11.1 ft·lb)
2nd:30 N·m (3.0 kgf·m, 22 ft·lb)
Cylinder head cover bolt 3:
12 N·m (1.2 kgf·m, 8.7 ft·lb)
8. Install the thermostat, a new gasket and
thermostat cover.
9. Install the spark plugs, tighten them fin-
ger tight, then to the specified torque with
a spark plug wrench.
Spark plug:
25 N·m (2.5 kgf·m, 18 ft·lb)
10. Install the reed valve assembly and the
intake manifold assembly, and then tight-
en the intake manifold bolts 4 to the
specified torques in two stages.
11. Connect the hoses 5.
5
12. Install the throttle pulley assembly, and
the electrical components to the power
unit.
5-39
Power unit
4
6F650680

Installing the power unit

1. Clean the power unit mating surface, and
install the dowels 1 and a new gasket
2.
2. Install the power unit 3, and then tighten
the power unit mounting bolts 4 to the
specified torque.
3. Install the apron 5.
1
3
NOTE:
Apply LOCTITE 572 to the power unit mount-
ing bolts before installation.
Power unit mounting bolt 4:
21 N·m (2.1 kgf·m, 15.5 ft·lb)
4. Connect the fuel hose and pilot water
hose.
5. Connect the engine stop lanyard switch
leads (MH).
6. Install the Woodruff key and flywheel
magnet.
2
1
5
4
6H950690

6H95G11