Checking The Thermostat; Installing The Power Unit - Yamaha F225A Service Manual

20. Install the oil filter, and then tighten it to
the specified torque using a 72.5 mm
(2.9 in) oil filter wrench.
Oil filter: 18 N·m (1.8 kgf·m, 13 ft·lb)

Checking the thermostat

1. Remove the cover 1 and thermostat 2.
2. Suspend the thermostat in a container of
water.
3. Place a thermometer in the water and
slowly heat the water.
69J3D11
4. Check the thermostat valve opening at
the
Replace if out of specification.
60 °C (140 °F)
70 °C (158 °F)
5. Install the thermostat and cover.

Installing the power unit

1. Clean the power unit matching surface,
and install the dowel pins 1 and the new
gasket 2.
2. Install the power unit 3 by installing the
bolts 4, then tightening them to the
specified torque.
3. Install the aprons 5 and upper case
cover 6, then tighten them to the speci-
fied torque.
4. Connect the low-pressure fuel pump
driver coupler, PTT switch coupler, shift
cut switch coupler, neutral switch cou-
pler, and cooling water pilot hose.
S69J5E40
Cylinder block
specified water
Water
Valve lift a
temperature
0 mm (0 in)
(valve begins to lift)
above more than
4.3 mm (0.17 in)
temperatures.
1
2
3
4
5
6
7
8
9
5-60