60C5D11
3-8
1
2
3
4
5
6
7
8
9
6. Install the spark plug, tighten it finger
tight
b
, then to the specified torque with
a spark plug wrench
c
.
Checking the thermostat
1. Remove the flywheel magnet cover.
2. Disconnect the cooling water hose
1
,
and then remove the thermostat cover
2
and thermostat
3
.
3. Suspend the thermostat in a container of
water.
4. Place a thermometer in the water and
slowly heat the water.
5. Check the thermostat valve opening at
the specified water temperatures.
Replace if out of specification.
6. Install the thermostat, new gasket, ther-
mostat cover, and then connect the cool-
ing water hose.
7. Install the flywheel magnet cover.
Checking the cooling water passage
1. Check the cooling water inlet cover
1
and cooling water inlet
2
for clogs.
Clean if necessary.
T
R
.
.
Spark plug:
25 N·m (2.5 kgf·m, 18 ft·lb)
S60C3320
Water
temperature
Valve lift
a
50 °C (122 °F)
0 mm (0 in)–
(When the valve
begins to open.)
above
60 °C (140 °F)
more than
4.3 mm (0.17 in)
S60C3330
Power unit