Yamaha F40BMHD Manuel D'entretien page 244

POWR
a
EXHAUST COVER
INSTALLING THE OIL FILTER
Install:
• Oil filter
Refer to "REPLACING THE ENGINE
OIL AND OIL FILTER" on page 3-12.
CHECKING THE THERMOSTAT
Measure:
• Valve operating temperature
• Valve lift
Out of specification → Replace.
Water
temperature
Below 60 °C
(140 °F)
Above 70 °C
(158 °F)
Measuring steps
(1) Suspend the thermostat in a container
filled with water.
(2) Slowly heat the water.
(3) Place a thermometer in the water.
(4) While stirring the water, observe the
thermometer's indicated temperature.
5-38
a
Valve lift
0 mm (0 in)
Min. 3 mm
(0.12 in)
E