Yamaha F115 Owners Manual

 
Basic components 
15
NOTE:
 
The neutral throttle lever will operate only
when the remote control lever is in neutral.
The remote control lever will operate only
when the neutral throttle lever is in the closed 
position. 
EMU26232 
Free accelerator 
To open the throttle without shifting into ei-
ther forward or reverse, push the free accel-
erator button and move the remote control
lever.
NOTE:
 
 
The free accelerator button can only beused when the remote control lever is in
the neutral position....

 
Basic components 
16 
EMU25941 
Throttle grip 
The throttle grip is on the tiller handle. Turn
the grip counterclockwise to increase speed
and clockwise to decrease speed. 
EMU25961 
Throttle indicator 
The fuel consumption curve on the throttle
indicator shows the relative amount of fuel
consumed for each throttle position. Choose
the setting that offers the best performance
and fuel economy for the desired operation. 
EMU25971 
Throttle friction adjuster 
A friction device provides adjustable resis-...

 
Basic components 
17 
When constant speed is desired, tighten the
adjuster to maintain the desired throttle set-
ting. 
EMU25990 
Engine stop lanyard switch 
The lock plate must be attached to the en-
gine stop switch for the engine to run. The
lanyard should be attached to a secure place
on the operator’s clothing, or arm or leg.
Should the operator fall overboard or leave
the helm, the lanyard will pull out the lock
plate, stopping ignition to the engine. This
will prevent the boat from running away...

 
Basic components 
18 
EMU26001 
Engine stop button 
To open the ignition circuit and stop the en-
gine, push this button. 
EMU26090 
Main switch 
The main switch controls the ignition system;
its operation is described below. 
 
“”  
(off) 
With the main switch in the “ ” (off) posi-
tion, the electrical circuits are off, and the key
can be removed. 
 
“”  
(on) 
With the main switch in the “ ” (on) posi-
tion, the electrical circuits are on, and the key
cannot be removed. 
 
“”  
(start) 
With the...

 
Basic components 
19 
To decrease resistance, turn the lever to the
starboard side “B”.
WARNING
 
EWM00040  
Do not overtighten the friction adjuster. If
there is too much resistance, it could be
difficult to steer, which could result in an 
accident.
NOTE:
 
 
Check the tiller handle for smooth move-
ment when the lever is turned to the star-
board side “B”. 
 
Do not apply lubricants such as grease to
the friction areas of the steering friction ad- 
juster. 
EMU26141 
Power trim and tilt switch on...

 
Basic components 
20 
current position.
WARNING
 
EWM01030  
Use the power trim and tilt switch located
on the bottom engine cowling only when
the boat is at a complete stop with the en-
gine off. Attempting to use this switch
while the boat is moving could increase
the risk of falling overboard and could
distract the operator, increasing the risk
of collision with another boat or an obsta- 
cle.
NOTE:
 
For instructions on using the power trim and 
tilt switch, see page 50. 
EMU26161 
Power trim and...

 
Basic components 
21 
protect the engine from electrochemical
corrosion. Never paint the trim tab as it 
will become ineffective as an anode. 
EMU26340 
Tilt support lever for power trim and 
tilt or hydro tilt model 
To keep the outboard motor in the tilted up
position, lock the tilt support lever to the
clamp bracket. 
EMU26382 
Top cowling lock lever (pull up type) 
To remove the engine top cowling, pull up
the lock lever(s) and lift off the cowling.
When installing the cowling, check to be sure
it...

 
Basic components 
22 
EMU26460 
Flushing device 
This device is used to clean the cooling wa-
ter passages of the motor using a garden
hose and tap water.
NOTE:
 
For details on usage, see page 60. 
EMU31702 
Water separator 
This engine has a combination fuel filter/wa-
ter separator and associated warning sys-
tem. If water separated from the fuel
exceeds a specific volume, the warning de-
vice will activate.Activation of warning device 
 
The water separator warning indicator will
blink. 
 
The...

 
Basic components 
23 
tarily after the main switch is turned on and 
will return to normal thereafter.
NOTE:
 
The water separator and engine trouble
warning indicators only operate when the en-
gine is equipped with the appropriate func- 
tions. 
EMU26503 
Low oil pressure warning indicator 
If oil pressure drops too low, this indicator will
flash. For further information, see page 36.
CAUTION:
 
ECM00020  
 
Do not continue to run the engine if the
low oil pressure warning indicator is on
and the...

 
Basic components 
24 
EMU26572 
Overheat warning indicator 
If the engine temperature rises too high, this
indicator will flash. For further information on
reading the indicator, see page 36.
CAUTION:
 
ECM00050  
Do not continue to run the engine if the
overheat warning indicator is on. Serious 
engine damage will occur. 
EMU26581 
Overheat warning indicator (digital 
type) 
If the engine temperature rises too high, the
warning indicator will start to blink. For fur-
ther information on reading the...