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Yamaha F 15 Owners Manual

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Page 11

 
General information 
5 
EMU25431 
Label
WARNING
 
EWM01300  
 
This engine is equipped with a neutral
starting device. 
 
The engine will not start unless the shift 
control is in neutral position. 
EMU25465 
Caution labels 
EMU25472 
Label
CAUTION:
 
ECM01190  
Transport and store the engine only as
shown. Otherwise, engine damage could 
result from Leaking oil. 
EMU25500 
Basic boating rules (Rules of 
the road) 
Just as there are rules which apply when you
are driving on streets and high ways,...

Page 12

 
General information 
6 
tion and collision, and to any special circum-
stances, which may render a departure from
the above rules necessary in order to avoid
immediate danger.”
In other words, follow the standard rules ex-
cept when a collision will occur unless both
vessels try to avoid each other. If that is the
case, both vessels become “Give-Way” ves-
sels. 
EMU25520 
Rules when encountering vessels 
There are three main situations which you
may encounter with other vessels which
could lead to a...

Page 13

 
General information 
7 
other vessel is expected to maintain its
course and speed. You must stay out of its
way until you are clear of it. Likewise, if an-
other vessel is passing you, you should
maintain your speed and direction so that the
other vessel can steer itself around you. 
EMU25530 
Other special situations 
There are three other rules you should be
aware of when driving your boat around oth-
er vessels. 
Narrow channels and bends 
When navigating in narrow channels, you
should keep to the...

Page 14

 
General information 
8 
EMU25540 
Fueling instructions
WARNING
 
EWM00010  
GASOLINE AND ITS VAPORS ARE HIGH-
LY FLAMMABLE AND EXPLOSIVE! 
 
Do not smoke when refueling, and keepaway from sparks, flames, or other
sources of ignition. 
 
Stop engine before refueling. 
 
Refuel in a well-ventilated area. Refuel
portable fuel tanks off the boat. 
 
Take care not to spill gasoline. If gaso-
line spills, wipe it up immediately with
ZMU01708 

Page 15

 
General information 
9 
dry rags. 
 
Do not overfill the fuel tank. 
 
Tighten the filler cap securely after re-
fueling. 
 
If you should swallow some gasoline,
inhale a lot of gasoline vapor, or get
gasoline in your eyes, get immediate
medical attention. 
 
If any gasoline spills onto your skin, im-
mediately wash with soap and water.
Change clothing if gasoline spills on it. 
 
Touch the fuel nozzle to the filler open-
ing or funnel to help prevent electro- 
static sparks.
CAUTION:
 
ECM00010...

Page 16

 
General information 
10 
EMU25690 
Battery requirement
CAUTION:
 
ECM01060  
Do not use a battery that does not meet
the specified capacity. If a battery which
does not meet specifications is used, the
electric system could perform poorly or
be overloaded, causing electric system 
damage. 
For electric start models, choose a battery
which meets the following specifications. 
EMU25711 
Battery specifications 
EMU25730 
Without a rectifier or Rectifier 
Regulator
CAUTION:
 
ECM01090  
A battery cannot be...

Page 17

 
General information 
11 
accessories rated to withstand 18 volts or
higher with the above models. Consult your
Yamaha dealer for details on installing an
optional Rectifier Regulator. 
EMU25742 
Propeller selection 
The performance of your outboard motor will
be critically affected by your choice of propel-
ler, as an incorrect choice could adversely
affect performance and could also seriously
damage the motor. Engine speed depends
on the propeller size and boat load. If engine
speed is too high or too...

Page 18

 
12 
Basic components 
EMU25796 
Main components
NOTE:
 
* May not be exactly as shown; also may not be included as standard equipment on all mod- 
els. 
F9.9MH, F9.9ER, F15MH, F15EH, F15PR, F15PH
23
1
2
4 8
7
6 9 10
3
5
25 1812
1415
16
13
17 19
20
21
22
10
11
24
ZMU04951
20
 
1. Top cowling
2. Top cowling lock lever(s)
3. Drain screw
4. Anti-cavitation plate
5. Propeller*
6. Cooling water inlet
7. Trim rod*
8. Clamp bracket
9. Steering friction screw
10. Power tilt switch*
11. Manual starter handle*...

Page 19

 
Basic components 
13 
T9.9ER, T9.9EH 
EMU25802 
Fuel tank 
If your model was equipped with a portable
fuel tank, its function is as follows.
WARNING
 
EWM00020  
The fuel tank supplied with this engine is
its dedicated fuel reservoir and must not
be used as a fuel storage container. Com-
mercial users should conform to relevant
licensing or approval authority regula-
1
2
3
4
5
6
10
98
7
13 11
18
12
1716 1514
19 20
21
22
ZMU05129
 
1. Top cowling
2. Top cowling lock lever(s)
3. Drain screw
4....

Page 20

 
Basic components 
14 
tions. 
EMU25830 
Fuel joint 
This joint is used to connect the fuel line. 
EMU25841 
Fuel gauge 
This gauge is located on either the fuel tank
cap or on the fuel joint base. It shows the ap-
proximate amount of fuel remaining in the
tank. 
EMU25850 
Fuel tank cap 
This cap seals the fuel tank. When removed,
the tank can be filled with fuel. To remove the
cap, turn it counterclockwise. 
EMU25860 
Air vent screw 
This screw is on the fuel tank cap. To loosen
the screw, turn it...
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