Yamaha 15D Owner's Manual download pdf (Page 24)

Operation

19

EMU27101

Preoperation checks

WARNING

EWM00080

If any item in the preoperation check is not

working properly, have it inspected and

repaired before operating the outboard

motor. Otherwise an accident could occur.

CAUTION:

ECM00120

Do not start the engine out of water. Over-

heating and serious engine damage can

occur.

EMU27110

Fuel

● Check to be sure you have plenty of fuel for

your trip.

● Make sure there are no fuel leaks or gaso-

line fumes.

● Check fuel line connections to be sure they

are tight (if equipped Yamaha fuel tank or

boat tank).

● Be sure the fuel tank is positioned on a se-

cure, flat surface, and that the fuel line is not

twisted or flattened, or likely to contact

sharp objects (if equipped Yamaha fuel

tank or boat tank).

EMU27120

Oil

● Check to be sure you have plenty of oil for

your trip.

EMU27130

Controls

● Check throttle, shift, and steering for proper

operation before starting the engine.

● The controls should work smoothly, without

binding or unusual free play.

● Look for loose or damaged connections.

● Check operation of the starter and stop

switches when the outboard motor is in the

water.

EMU27140

Engine

● Check the engine and engine mounting.

● Look for loose or damaged fasteners.

● Check the propeller for damage.

EMU27233

Filling fuel and engine oil

EMU27242

Filling fuel for portable tank

WARNING

EWM00060

Gasoline and its vapors are highly flam-

mable and explosive. Keep away from

sparks, cigarettes, flames, or other sourc-

es of ignition.

1. Remove the fuel tank cap.

2. Fill the fuel tank carefully.

3. Close the cap securely after refueling.

Wipe up any spilled fuel.

EMU27270

Ring Free Fuel Additive

Gasoline is a precise blend of many different

substances, each chosen to give certain char-

acteristics. Gasoline blends have been

changing in recent years in response to con-

cerns about pollution and resulting emissions

regulations. One of the most obvious changes

has been the elimination of lead from most fu-

els.

As gasoline has changed, the amount of addi-

tives such as aromatics and oxygenates has

increased. These additives are important for

the engines in passenger cars, but they can

have detrimental effects in marine engines,

because of increased deposits in the combus-

tion chamber. When enough deposits collect,

piston rings begin sticking. Performance

drops and engine wear increases dramatical-

ly.

Fuel tank capacity (if equipped Yamaha

fuel tank):

24.0 L (6.34 US gal) (5.28 Imp.gal)

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