Yamaha F90B Outboard Motor User Manual


 
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NOTE:
If any water is in the fuel, the float 5 will
rise. If so, remove the cup and drain the
water.
1) Remove the nut holding the fuel filter
assembly if so equipped.
2) Unscrew the filter cup 1, catching
any spilled fuel in a rag.
3) Remove the filter element 2, and
wash it in solvent. Allow it to dry.
Inspect the filter element and O-ring
3 to make sure they are in good con-
dition. Replace them if necessary.
4) Reinsert the float in the filter cup,
making sure the indentations in the
float ring match the ribs inside the fil-
ter cup. 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.
5) Attach the filter assembly to the
bracket.
6) Run the engine and check the filter
and lines for leaks.
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