Honda FJ500 Owner's Manual page 48

3.Sediment cup cleaning
Gasoline is extremely flammable and is explosive under certain
conditions. Do not smoke or allow flames or sparks in the area.
1.Turn the engine switch to the OFF position.
2.Turn the fuel valve to the OFF position so that it touches the stopper
button.
3.Remove the sediment cup and O-ring with a 10 mm wrench.
4.Empty the sediment cup, and wash it in non-flammable solvent.
5.Install a new O-ring and the sediment cup. Tighten the sediment cup
securely.
6.Turn the fuel valve to the ON position, and check for leaks.
O-RING
(Replace)
SEDIMENT CUP
ON
OFF
STOPPER BUTTON
FUEL VALVE
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