Honda FourTrax Rancher TRX420FA5 2019 Owner's Manual page 135

1. To open the fuel fill cap (1), turn it counterclockwise.
2. Add fuel until the level reaches the bottom of the filler neck (2).
Avoid over filling the tank. There should be no fuel in the filler
neck.
WARNING
Gasoline 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.
3. After refueling, turn the fuel fill cap clockwise securely.
If you replace the fuel fill cap, use a Honda Genuine replacement
part or equivalent.
NOTICE
Gasoline can damage the camouflage coating.
Do not allow spilled gasoline to pool on camouflage colored
bodywork. Also do not allow gasoline soaked rags to be placed on
camouflage bodywork.
WARNING
3
Servicing Your Honda
Fuel
125