Yamaha F50 Manual

 
Basic components 
25 
engine has been run. It can be set to show
the total number of hours or the number of
hours for the current trip. The display can
also be turned on and off. 
 
Changing the display format 
 
Pressing the “” (mode) button chang-
es the display format in the following pat-
tern: 
 
Total hours 
→ 
Trip hours 
→ 
Display off 
 
Resetting the trip hours 
 
Simultaneously pressing the “” (set)
and “” (mode) buttons for more than
1 second while the trip hours are displayed
resets...

 
Basic components 
26
NOTE:
 
The clock operates on battery power. Dis-
connecting the battery will stop the clock. 
Reset the clock after connecting the battery. 
EMU26710 
Fuel gauge 
The fuel level is indicated by eight segments.
When all segments are showing, the fuel
tank is full.
CAUTION:
 
ECM00860  
The Yamaha fuel tank sensor differs from
conventional sensors. Incorrectly setting
the selector switch on the gauge will give
false readings. Consult your Yamaha
dealer on how to correctly set the...

 
Basic components 
27 
EMU31640 
Command link multifunction meters 
Command link multifunction meters have 6
kinds of meter units; tachometer unit (square
or round types), speedometer unit (square
type), speed & fuel meter unit (square or
round types), and fuel management meter
(square type). The indicator system is slight-
ly different between the round and square
types. Check the model and type of your unit
carefully. This manual describes mainly the
warning indicators. For more details on set-
ting...

 
Basic components 
28
NOTE:
 
The tachometer unit shows various kinds of
information according to the setting made
using the “” (set) and “” (mode) but-
tons. For details, see the attached operation 
manual. 
Preoperation checks 
Place the gear shift lever in neutral and turn
the main switch to “” (on). After all the dis-
plays come on and the total hour display
comes on, the gauge will change to normal
operation. If the buzzer sounds and the wa-
ter separator warning indicator blinks, con-
sult your...

 
Basic components 
29 
Stop the engine immediately if the buzzer
sounds and the overheat warning device has
activated. Check the cooling water inlet for
clogging.
CAUTION:
 
ECM01590  
 
Do not continue to run the engine if the
overheat warning indicator blinks. Seri-
ous engine damage will occur. 
 
Do not continue to operate the engine if
a warning device has activated. Con-
sult your Yamaha dealer if the problem 
cannot be located and corrected.
Water separator warning 
This indicator will blink...

 
Basic components 
30
CAUTION:
 
ECM00920  
In such an event, the engine will not oper-
ate properly. Consult a Yamaha dealer 
immediately.
Low battery voltage warning 
When the battery voltage drops, the low bat-
tery voltage warning indicator and the bat-
tery voltage value will start to blink. Get back
to the port soon if the low battery voltage
warning device has activated. For charging
the battery, consult your Yamaha dealer. 
EMU31610 
Speed & fuel meter unit 
This unit shows the boat speed and...

 
Basic components 
31
NOTE:
 
After the main switch is first turned on, all the
displays come on as a test. After a few sec-
onds, the gauge will change to normal oper- 
ation.
NOTE:
 
The speed & fuel meter unit shows various
kinds of information according to the setting
made with the “” (set) and “” (mode)
buttons. For details, see the attached opera- 
tion manual. 
EMU31620 
Speedometer unit 
This unit shows the boat speed and has
functions of fuel meter and system voltage
display. If optional...

 
Basic components 
32
NOTE:
 
After the main switch is first turned on, all the
displays come on as a test. After a few sec-
onds, the gauge will change to normal oper- 
ation.
NOTE:
 
The speedometer unit shows various kinds
of information according to the setting made
using the “” (set) and “” (mode) but-
tons. In addition, the speedometer can show
the desired unit of measurement such as km/
h, mph, or knots. For details, see the at- 
tached operation manual. 
EMU31630 
Fuel management meter 
This...

 
Basic components 
33 
EMU26801 
Warning system
CAUTION:
 
ECM00090  
Do not continue to operate the engine if a
warning device has activated. Consult
your Yamaha dealer if the problem can- 
not be located and corrected. 
EMU26816 
Overheat warning 
This engine has an overheat warning device.
If the engine temperature rises too high, the
warning device will activate. 
Activation of warning device 
 
The engine speed will automatically de-
crease to about 2000 r/min. 
 
If equipped with an overheat...

 
Basic components 
34 
indicator, it will light or blink. 
 
The buzzer will sound (if equipped on the
tiller handle, remote control box, or main
switch panel).
If the warning system has activated, stop the
engine as soon as it is safe to do so. Check
the oil level and add oil as needed. If the oil
level is correct and the warning device does
not switch off, consult your Yamaha dealer.
CAUTION:
 
ECM00100  
Do not continue to run the engine if the
low oil pressure warning indicator is on. 
Serious...