Inspecting Idling Speed - Yamaha SX150C Owner's Manual

4) Reinstall the filter element in the cup.
Make sure the O-ring is in position in
the cup. Insert the cup and O-ring into
the filter housing 6. Lift up and hold
the spring to screw the ring nut onto
the filter housing until the ring is
lightly seated.
5) Tighten the ring nut approximately an
additional 1/4 turn until the ring nut is
tight. Align one of the four larger ring
nut tabs with the spring and release it
to lock the ring nut in position.
6) Run the engine and check the filter
and lines for leaks.
NOTE:
If any water is in the fuel, the red ring in
the fuel filter unit will float. If so, remove
the cup and drain the water.
EMU09912

INSPECTING IDLING SPEED

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8 Do not touch or remove electrical parts
when starting or during operation.
8 Keep hands, hair and clothes away
from flywheel and other rotating parts
while engine is running.
cC
This procedure must be performed while
the outboard motor is in the water. A
flushing attachment or test tank can also
be used.
4-15
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