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Yamaha F50A - Checking the Cooling Water Passage; Control System; Checking the Throttle Cable Operation

Yamaha F50A
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CHK
ADJ
Periodic checks and adjustments
3-13
62Y3A11
4. Check the thermostat valve opening at
the specified water temperatures.
Replace if out of specification.
5. Install the thermostat, new gasket, ther-
mostat cover, and cover.
Checking the cooling water passage
1. Check the cooling water inlet cover
1
and cooling water inlet for clogs. Clean if
necessary.
2. Place the lower unit in water, and then
start the engine.
3. Check for water flow at the cooling water
outlet. If there is no water flow, check the
cooling water passage inside the out-
board.
Control system
3
Checking the throttle cable operation
1. Check that the throttle cam
1
is at the
fully closed position
a
when the remote
control lever is in neutral or the throttle
grip is fully closed. Adjust the throttle
cable length if necessary as follows.
2. Loosen the locknut
2
, remove the clip
3
, and then disconnect the throttle cable
joint
4
.
Water temperature Valve lift
a
below
60 °C (140 °F)
0 mm (0 in)
above
70 °C (158 °F)
more than
3 mm (0.12 in)
S62Y3320
1
1
S62Y3370
1

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