Yamaha 25D Owner's Manual

Also see for 25D: Owner's manual

Contents

Operation222. Replace the fuel can cap and close tight-ly.3. Shake the fuel can to mix the fuel thor-oughly.4. Make sure that the oil and gasoline aremixed.5. Pour the gasoline and oil mixture into thebuilt-in fuel tank.CAUTION:ECM00810 Avoid using any oil other than the spec-ified type. Use a thoroughly blended fuel-oil mix-ture. If the mixture is not thoroughly mixed,or if the mixing ratio is incorrect, thefollowing problems could occur. Lowoil ratio: Lack of oil could cause majorengine trouble, such as piston seizure. High oil ratio: Too much oil could causefouled spark plugs, smoky exhaust,and heavy carbon deposits.NOTE:If using a permanently installed tank, pourthe oil gradually as the gasoline is being add-ed to the tank.EMU27450Operating engineEMU27461Feeding fuel (portable tank)WARNINGEWM00420 Before starting the engine, make surethat the boat is tightly moored and thatyou can steer clear of any obstructions.Be sure there are no swimmers in thewater near you. When the air vent screw is loosened,gasoline vapor will be released. Gaso-line is highly flammable, and its vaporsare flammable and explosive. Refrainfrom smoking, and keep away fromopen flames and sparks while loosen-ing the air vent screw. This product emits exhaust gaseswhich contain carbon monoxide, a col-orless, odorless gas which could causebrain damage or death when inhaled.Symptoms include nausea, dizziness,and drowsiness. Keep cockpit and cab-in areas well ventilated. Avoid blockingexhaust outlets.1. If there is an air vent screw on the fueltank cap, loosen it 2 or 3 turns.2. If there is a fuel joint on the motor, firmlyconnect the fuel line to the joint. Thenfirmly connect the other end of the fuelline to the joint on the fuel tank.ZMU02022ZMU04113