Yamaha 4 Stroke Owners Manual

F4
F6
OWNER’S MANUAL
LIT-18626-08-90
6BV-F8199-11
U.S.A.Edition    Read this manual carefully before operating this 
outboard motor.
DIC183 

ZMU01690
Read this manual carefully before operating this outboard motor. Keep this
manual onboard in a waterproof bag when boating. This manual should stay
with the outboard motor if it is sold.
U6BV10E0.book  Page 1  Friday, July 17, 2009  2:29 PM 

Important manual information
EMU31284
To the owner
Thank you for selecting 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 obtain
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 in the...

Table of contents
Safety information ............................. 1
Outboard motor safety ....................  1
Propeller .............................................  1
Rotating parts .....................................  1
Hot parts .............................................  1
Electric shock .....................................  1
Engine shut-off cord (lanyard) ............  1
Gasoline .............................................  1
Gasoline exposure and spills .............  1
Carbon...

Table of contents
Checks before starting engine ......  29
Fuel level ..........................................  29
Removing top cowling ......................  30
Fuel system ......................................  30
Controls ............................................  30
Engine shut-off cord (lanyard) ..........  31
Engine oil..........................................  31
Engine ..............................................  32
Installing top cowling ........................  32
Filling fuel...

1
Safety information
EMU33622
Outboard motor safety
Observe these precautions at all times.EMU36501Propeller
People can be injured or killed if they come in
contact with the propeller. The propeller can
keep moving even when the motor is in neu-
tral, and sharp edges of the propeller can cut
even when stationary.

Stop the engine when a person is in the wa-
ter near you.

Keep people out of reach of the propeller,
even when the engine is off.
EMU33630Rotating parts
Hands, feet, hair, jewelry, clothing,...

Safety information
2
EMU33780Modifications
Do not attempt to modify this outboard motor.
Modifications to your outboard motor may re-
duce safety and reliability, and render the out-
board unsafe or illegal to use.
EMU33740
Boating safety
This section includes a few of the many im-
portant safety precautions that you should fol-
low when boating.
EMU33710Alcohol and drugs
Never operate after drinking alcohol or taking
drugs. Intoxication is one of the most common
factors contributing to boating...

Safety information
3

Avoid sharp turns or other maneuvers that
make it hard for others to avoid you or un-
derstand where you are going.

Avoid areas with submerged objects or
shallow water.

Ride within your limits and avoid aggressive
maneuvers to reduce the risk of loss of con-
trol, ejection, and collision.

Take early action to avoid collisions. Re-
member, boats do not have brakes, and
stopping the engine or reducing throttle can
reduce the ability to steer. If you are not
sure that you can stop...

Safety information
4
Contact the U.S. Coast Guard, the National
Association of State Boating Law Administra-
tors, or your local Power Squadron for a com-
plete set of rules governing the waters in
which you will be using your boat.
EMU33682
Boating organizations
The following organizations provide boating
safety training and information about boating
safety and laws. 
United States Coast Guard
Consumer Affairs Staff (G-BC)
Office of Boating, Public, and Consumer Af-
fairs
U.S. Coast Guard Headquarters...

Safety information
5
slow down or change directions briefly and
pass behind the other vessel. You should al-
ways move in such a way that the operator of
the other vessel can see what you are doing.
“ The general prudential rule ”
This rule is called Rule 2 in the International
Rules and says,
“ In obeying and construing these rules due
regard shall be had to all dangers of naviga-
tion and collision, and to any special circum-
stances, which may render a departure from
the above rules necessary in order...