Yamaha F6AMH Manuel D'entretien page 244

THERMOSTAT, TIMING BELT AND GEARS
B
CHECKING THE THERMOSTAT
Measure:




Measuring steps:
(1)Suspend the thermostat in a container
filled with water.
(2)Place a thermostat in the water.
(3)Slowly heat the water.
(4)While stirring the water, check that the
thermometer opens at the specified
temperature.
CHECKING THE TIMING BELT
Check:


INSTALLING THE DRIVEN GEAR
1. Install:


NOTE:
Install the driven gear so that counter mark
(∆) is at the top.
2. Install:
A


A
For USA and Canada
B
Except for USA and Canada
5-32
Valve operating temperature
a
Valve lift
Out of specification
Water temperature
Below
60 °C(140 °F)
Above
70 °C(158 °F)
Timing belt
Refer to "CHECKING THE TIMING
BELT" on page 3-19.
Driven gear
Driven gear bolt
Flywheel holder :
YB-06139/90890-06522
Replace.

Valve lift
0 mm
(0 in)
Min.3 mm
(0.12 in)