Yamaha C40 Manual

40
50
OWNER’S MANUAL
63B-28199-1E
U.S.A.Edition
LIT-18626-06-58
63B-9-1E Hyoshi  4/25/05 9:39 AM  Page 1 

 
EMU25060
ZMU01690
 
Read this owner’s manual carefully before operating your outboard motor.
63B-9-1E Hyoshi  4/25/05 9:39 AM  Page 2 

 
Important manual information 
EMU31280 
To the owner 
Thank you for choosing a Yamaha outboard
motor. This Owner’s Manual contains infor-
mation needed for proper operation, mainte-
nance and care. A thorough understanding
of these simple instructions will help you ob-
tain maximum enjoyment from your new
Yamaha. If you have any question about the
operation or maintenance of your outboard
motor, please consult a Yamaha dealer.
In this Owner’s Manual particularly important
information is distinguished...

 
Table of contents 
General information .......................... 1 
Identification numbers record ........... 1 
Outboard motor serial number .......... 1
Key number ....................................... 1 
Emission control information ............ 1 
North American models..................... 1 
Safety information ............................ 2
Important labels................................ 3 
Warning labels .................................. 3 
Basic boating rules 
(Rules of the road)...

 
Table of contents 
models .......................................... 33 
Shifting ........................................... 33 
Forward (tiller handle and remote 
control models) ............................. 33
Reverse (automatic reverse lock 
and power trim and tilt models)..... 34 
Stopping engine ............................. 34 
Procedure ....................................... 35 
Trimming outboard motor ............... 35 
Adjusting trim angle ........................ 36
Adjusting boat trim...

 
1 
General information 
EMU25170 
Identification numbers record 
EMU25182 
Outboard motor serial number 
The outboard motor serial number is
stamped on the label attached to the port
side of the clamp bracket or the upper part of
the swivel bracket.
Record your outboard motor serial number in
the spaces provided to assist you in ordering
spare parts from your Yamaha dealer or for
reference in case your outboard motor is sto-
len. 
EMU25190 
Key number 
If a main key switch is equipped with the mo-
tor,...

 
General information 
2 
EMU25262 
Manufactured date label 
This label is attached to the clamp bracket or
the swivel bracket. 
EMU25362 
 Safety information 
 
Before mounting or operating the outboard
motor, read this entire manual. Reading itshould give you an understanding of the
motor and its operation. 
 
Before operating the boat, read any own-
er’s or operator’s manuals supplied with it
and all labels. Be sure you understand
each item before operating. 
 
Do not overpower the boat with this...

 
General information 
3 
clude nausea, dizziness, and drowsiness.
Keep cockpit and cabin areas well ventilat-
ed. Avoid blocking exhaust outlets. 
 
Check throttle, shift, and steering for prop-
er operation before starting the engine. 
 
Attach the engine stop switch lanyard cord
to a secure place on your clothing, or your
arm or leg while operating. If you acciden-
tally leave the helm, the cord will pull from
the switch, stopping the engine. 
 
Know the marine laws and regulations
where you will...

 
General information 
4 
EMU25401 
Label
WARNING
 
EWM01260  
 
Be sure shift control is in neutral before
starting engine. (except 2HP) 
 
Do not touch or remove electrical parts
when starting or during operation. 
 
Keep hands, hair, and clothes away
from flywheel and other rotating parts 
while engine is running. 
EMU25500 
Basic boating rules (Rules of 
the road) 
Just as there are rules which apply when you
are driving on streets and high ways, there
are waterway rules which apply when you
are...

 
General information 
5 
sel head-on) 
Crossing: 
 (you are traveling across the oth-
er vessel’s path) 
Overtaking: 
 (you are passing or being
passed by another vessel)
In the following illustration, your boat is in the
center. You should give the right-of-way to
any vessels shown in white area (you are the
Give-Way vessel). Any vessels in the shad-
ed area must yield to you (they are the Give-
Way vessels). Both you and the meeting
vessel must alter course to avoid each other. 
Meeting 
If you are...