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EMU28980
Inspecting fuel filter
WARNING
EWM00310
Gasoline is highly flammable, and its va-
pors are flammable and explosive.
●
If you have any question about properly
doing this procedure, consult your
Yamaha dealer.
●
Do not perform this procedure on a hot
or running engine. Allow the engine to
cool.
●
There will be fuel in the fuel filter. Keep
away from sparks, cigarettes, flames or
other sources of ignition.
●
This procedure will allow some fuel to
spill. Catch fuel in a rag. Wipe up any
spilled fuel immediately.
●
The fuel filter must be reassembled
carefully with the O-ring, filter cup, and
hoses in place. Improper assembly or
replacement could result in a fuel leak,
which could result in a fire or explosion
hazard.
EMU29001
Cleaning fuel filter
1. Remove the nut holding the fuel filter as-
sembly if equipped.
2. Unscrew the filter cup, catching any
spilled fuel in a rag.
3. Remove the filter element, and wash it in
solvent. Allow it to dry. Inspect the filter
element and O-ring to make sure they
are in good condition. Replace them if
necessary. If any water is found in the
fuel, the Yamaha portable fuel tank or
other fuel tanks should be checked and
cleaned.
4. Reinstall the filter element in the cup.
Make sure the O-ring is in position in the
cup. Firmly screw the cup onto the filter
housing.
5. Attach the filter assembly to the bracket
so that the fuel hoses are attached to the
filter assembly.
6. Run the engine and check the filter and
lines for leaks.
EMU29040
Inspecting idling speed
WARNING
EWM00450
●
Do not touch or remove electrical parts
when starting or during operation.
●
Keep hands, hair, and clothes away
from the flywheel and other rotating
1. Nut
ZMU02309
1
1. Filter cup
2. Filter element
3. Filter housing
4. O-ring
ZMU02079
1
4
2
3