Honda TRX420FPM Owner's Manual page 120

Fuel
1. To open the fuel fill cap ( ), turn it counterclockwise.
2. Pull the breather tube ( ) out of the handlebar cover hole ( ).
3. Add fuel until the level reaches the bottom of the filler neck ( ).
Avoid over filling the tank. There should be no fuel in the filler neck.
Petrol is highly flammable and explosive. You
can be burned or seriously injured when
handling fuel.
Stop the engine and keep heat, sparks and
flame away.
Handle fuel only outdoors.
Wipe up spills immediately.
4. After refueling, turn the fuel fill cap clockwise until it clicks.
5. Insert the breather tube into the handlebar cover hole.
6. If the fuel valve was set to RES, turn the fuel valve ON.
If you replace the fuel fill cap, use only a Honda Genuine replacement
part.
Servicing Your Honda
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