Yamaha F 40 User Guide

 
Operation 
35 
quickly discharged, thus making it im-
possible to start the engine. The starter
can also be damaged. If the engine will
not start after 5 seconds of cranking,
return the main switch to “” (on), wait
10 seconds, then crank the engine 
again.
NOTE:
 
 
When the engine is cold, it needs to be
warmed up. For further information, see
page 35. 
 
If the engine is warm and fails to start,
open the throttle slightly and try to start the
engine again. If the engine still fails to 
start, see...

 
Operation 
36 
2. Move the gear shift lever quickly and
firmly from neutral to forward.
Remote control models
1. Pull up the neutral interlock trigger (if
equipped) and move the remote control
lever quickly and firmly from neutral to
forward.
 
EMU27785 
Reverse (automatic reverse lock and 
power trim and tilt models)
WARNING
 
EWM00190  
When operating in reverse, go slowly. Do
not open the throttle more than half. Oth-
erwise the boat could become unstable,
which could result in loss of control and...

 
Operation 
37 
Remote control models
1. Pull up the neutral interlock trigger (if
equipped) and move the remote control
lever quickly and firmly from neutral to
reverse.
 
EMU27796 
Reverse (manual tilt and hydro tilt 
models)
WARNING
 
EWM00190  
When operating in reverse, go slowly. Donot open the throttle more than half. Oth-
erwise the boat could become unstable,
which could result in loss of control and 
an accident. 
Tiller handle models
1. Place the throttle grip in the fully closed
position.
2....

 
Operation 
38 
Remote control models
1. Check that the tilt lock lever is in the lock
position.
2. Pull up the neutral interlock trigger (if
equipped) and move the remote control
lever quickly and firmly from neutral to
reverse.
 
EMU27820 
Stopping engine 
Before stopping the engine, first let it cool off
for a few minutes at idle or low speed. Stop-
ping the engine immediately after operating
at high speed is not recommended. 
EMU27844 
Procedure 
1. Push and hold the engine stop button or
turn the...

 
Operation 
39 
2. After stopping the engine, disconnect
the fuel line if there is a fuel joint on the
outboard motor.
3. Tighten the air vent screw on the fuel
tank cap (if equipped).
4. Remove the key if the boat will be left
unattended.
NOTE:
 
The engine can also be stopped by pulling
the lanyard and removing the lock plate fromthe engine stop switch, then turning the main 
switch to “” (off). 
EMU27861 
Trimming outboard motor 
The trim angle of the outboard motor helps
determine the position of...

 
Operation 
40 
EMU27882 
Adjusting trim angle 
Power trim and tilt models
WARNING
 
EWM00751  
 
Be sure all people are clear of the out-
board motor when adjusting the tilt an-
gle, also be careful not to pinch any
body parts between the drive unit and
clamp bracket. 
 
Use caution when trying a trim position
for the first time. Increase speed gradu-
ally and watch for any signs of instabil-
ity or control problems. Improper trim
angle can cause loss of control. 
 
If equipped with a power trim and...

 
Operation 
41 
“” (up).
To lower the bow (trim-in), press the switch
“” (down).
Make test runs with the trim set to different
angles to find the position that works best for
your boat and operating conditions. 
EMU27891 
Adjusting trim angle for hydro tilt 
models
WARNING
 
EWM00490  
 
Stop the engine before adjusting the
trim angle. 
 
Be sure all people are clear of the out-
board motor when adjusting the tilt an-
gle, also be careful not to pinch any
body parts between the drive unit and
clamp...

 
Operation 
42 
Bow Down 
Too much trim-in causes the boat to “plow”
through the water, decreasing fuel economy
and making it hard to increase speed. Oper-
ating with excessive trim-in at higher speeds
also makes the boat unstable. Resistance at
the bow is greatly increased, heightening the
danger of “bow steering” and making opera-
tion difficult and dangerous.
NOTE:
 
Depending on the type of boat, the outboard
motor trim angle may have little effect on the 
trim of the boat when operating. 
EMU27933...

 
Operation 
43 
2. Disconnect the fuel line from the out-
board motor.
3. Place the tilt lock lever in the release po-
sition.
4. Hold the rear of the top cowling with one
hand, tilt the engine up, and turn the tilt
support lever toward you or tilt support
knob into the clamp bracket, and then
place the tilt lock lever back into the lock
position to support the outboard motor. 
EMU28007 
Procedure for tilting up (power trim 
and tilt models / power tilt models) 
1. Place the remote control lever / gear...

 
Operation 
44 
3. Press the power trim and tilt switch /
power tilt switch “” (up) until the out-
board motor has tilted up completely.4. Push the tilt support knob into the clamp
bracket or pull the tilt support lever to-
ward you to support the engine.
WARNING
 
EWM00260  
After tilting the outboard motor, be sure
to support it with the tilt support knob or
tilt support lever. Otherwise the outboard
motor could fall back down suddenly if oil
in the power trim and tilt unit loses pres- 
sure. 
5....