Inspecting Fuel Filter; Cleaning Fuel Filter - Yamaha F250 LF250 Owner's Manual

Maintenance
Fuel system parts leakage
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Fuel line joint leakage
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Fuel line cracks or other damage
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Fuel connector leakage
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EMU28980

Inspecting fuel filter

EWM00310
WARNING
Gasoline is highly flammable, and its va-
pors are flammable and explosive.
If you have any question about properly
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doing this procedure, consult your
Yamaha dealer.
Do not perform this procedure on a hot
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or running engine. Allow the engine to
cool.
There will be fuel in the fuel filter. Keep
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away from sparks, cigarettes, flames or
other sources of ignition.
This procedure will allow some fuel to
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spill. Catch fuel in a rag. Wipe up any
spilled fuel immediately.
The fuel filter must be reassembled
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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.
EMU30640

Cleaning fuel filter

NOTE:
If any water is in the fuel, the float will rise. If
so, remove the cup and drain the water.
1. Unscrew the filter cup, catching any
spilled fuel in a rag.
53
2. Remove the filter element, and wash it in
solvent. Allow it to dry. Inspect the filter el-
ement and O-ring to make sure they are
in good condition. Replace them if neces-
sary. If any water is found in the fuel, the
Yamaha portable fuel tank or other fuel
tanks should be checked and cleaned.
3. Reinstall the filter element in the cup.
Make sure the O-ring is in proper position
in the cup. Firmly screw the cup onto the
filter housing.
4. Attach the filter assembly to the bracket.
1. O-ring
2. Filter element
3. Float
4. Filter cup
5. Filter housing
5. Run the engine and check the filter and
lines for leaks.