102. Fuel supplySTORAGE PERIOD OF FUELFuel should be used within a period of 4 weeks, even if it is kept in a special container in a well-ventilated shaded area.If a special container is not used or if the container is not covered, fuel may deteriorate in one day.FUELThe engine is a four-stroke engine. Be sure to use an automobile gasoline (regular gasoline or premium gasoline).When refuelling, be sure to stop the engine and confirm that the engine cools down.REFUELLING METHOD• Loosen the tank cap a little to release the tank pressure.• Detach the tank cap, and refuel, discharging air by tilting the fuel tank so that the refuel port will be oriented upward.(DO NOT fill fuel up to the top of the tank.)• After refuelling, securely tighten the tank cap.• If there is any flaw or damage on the tank cap, replace it.• The tank cap wears out in course of time. Replace it every two to three years.• DO NOT put fuel in the oil fill port.WARNING• When refuelling the unit, be sure to observe the following instructions to prevent ignition or fire:- Fuel supply must be made in a place free of fire. Never bring the fire (smoking, etc.) near the place of fuel supply.- Stop the engine and allow the engine to cool down before refuelling.- Open the fuel tank cap slowly. The fuel may be spilled out under internal pressure.- Take care not to spill the fuel. Any spilled fuel must be wiped clean.- Carry out fuel supply in a well-ventilated place.• Handle the fuel with care.- Fuel sticking to the skin or entering an eye may cause allergies or irritation. When any physical abnormality is detected, consult the medicalspecialist immediately.• DO NOT put oil in the fuel tank.Storage of machine and refill tank• Keep the machine and tank at a cool place free from direct sunshine.• Never keep the fuel in a car.Points for Fuel• Never use a gasoline mixture which contains engine oil. Otherwise, it will cause excessive carbon accumulation or mechanical troubles.• Use of deteriorated oil will cause irregular startup.