Yamaha F75 User manual

F75
F90
OWNER’S MANUAL
LIT-18626-08-08
6D6-28199-16
U.S.A.Edition
Read this manual carefully before operating this
outboard motor.
©2019 Yamaha Motor Corporation, U.S.A.

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.
U6D616E0.book Page 1 Wednesday, March 12, 2008 10:22 AM
©2019 Yamaha Motor Corporation, U.S.A.

Important manual information
EMU31283
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 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 following
ways.
: This is the safety alert symbol. It is used
to alert you to potential personal injury haz-
ards. Obey all safety messages that follow
this symbol to avoid possible injury or death.
WARNING
EWM00781
A WARNING indicates a hazardous situa-
tion which, if not avoided, could result in
death or serious injury.
NOTICE
ECM00701
A NOTICE indicates special precautions
that must be taken to avoid damage to the
outboard motor or other property.
T
IP:
A TIP provides key information to make pro-
cedures easier or clearer.
Yamaha continually seeks advancements in
product design and quality. Therefore, while
this manual contains the most current product
information available at the time of printing,
there may be minor discrepancies between
your machine and this manual. If there is any
question concerning this manual, please con-
sult your Yamaha dealer.
T
IP:
The F75TR, F90TR and the standard acces-
sories are used as a base for the explanations
and illustrations in this manual. Therefore
some items may not apply to every model.
EMU25111
F75, F90
OWNER’S MANUAL
©2008 by Yamaha Motor Corporation,
USA
1st edition, February 2008
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Corporation, USA
is expressly prohibited.
Printed in Japan
P/N LIT-18626-08-08
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©2019 Yamaha Motor Corporation, U.S.A.

Table of contents
Safety information............................. 1
Outboard motor safety .................... 1
Propeller ............................................. 1
Rotating parts ..................................... 1
Hot parts............................................. 1
Electric shock ..................................... 1
Power trim and tilt............................... 1
Engine shut-off cord (lanyard) ............ 1
Gasoline ............................................. 1
Gasoline exposure and spills ............. 1
Carbon monoxide ............................... 2
Modifications ...................................... 2
Boating safety ................................. 2
Alcohol and drugs............................... 2
Personal flotation devices .................. 2
People in the water............................. 2
Passengers ........................................ 2
Overloading ........................................ 2
Avoid collisions................................... 2
Weather.............................................. 3
Accident reporting .............................. 3
Boat education and training................ 3
Passenger training ............................. 3
Boating safety publications................. 3
Laws and regulations ......................... 4
Boating organizations...................... 4
Basic boating rules
(Rules of the road) ....................... 4
Steering and sailing rules and sound
signals............................................. 4
Rules when encountering vessels...... 5
Other special situations ...................... 6
General information .......................... 9
Identification numbers record.......... 9
Outboard motor serial number ........... 9
Key number ........................................ 9
Read manuals and labels.............. 10
Warning labels.................................. 10
Specifications and requirements... 13
Specifications ................................ 13
Installation requirements ............... 14
Boat horsepower rating .................... 14
Mounting motor ................................ 14
Remote control requirements........ 14
Battery requirements..................... 15
Specifications of Battery................... 15
Mounting battery............................... 15
Propeller selection ........................ 15
Start-in-gear protection ................. 16
Engine oil requirements ................ 16
Fuel requirements ......................... 17
Gasoline ........................................... 17
Ring Free Fuel Additive .................... 17
Muddy or acidic water ................... 17
Anti-fouling paint ........................... 18
Motor disposal requirements......... 18
Emergency equipment .................. 18
Emission control information......... 18
North American models.................... 18
Star labels ........................................ 19
Components .................................... 21
Components diagram.................... 21
Remote control box .......................... 22
Remote control lever ........................ 23
Neutral interlock trigger .................... 23
Neutral throttle lever ......................... 23
Tiller handle...................................... 23
Gear shift lever ................................. 24
Throttle grip ...................................... 24
Throttle indicator............................... 24
Throttle friction adjuster.................... 24
Engine shut-off cord (lanyard) and
clip................................................. 25
Engine stop button ........................... 25
Main switch....................................... 26
Steering friction adjuster................... 26
Power trim and tilt switch on remote
control or tiller handle.................... 26
Power trim and tilt switch on bottom
engine cowling .............................. 27
Variable trolling RPM switches......... 27
Trim tab with anode.......................... 28
Tilt support lever for power trim and
tilt model........................................ 28
Top cowling lock lever
(pull up type) ................................. 29
Flushing device ................................ 29
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©2019 Yamaha Motor Corporation, U.S.A.

Table of contents
Fuel filter/Water separator................ 29
Alert indicator ................................... 30
Instruments and indicators ............ 31
Indicators....................................... 31
Low oil pressure-alert indicator ........ 31
Overheat-alert indicator.................... 31
Digital tachometer ......................... 31
Tachometer ...................................... 32
Trim meter........................................ 32
Hour meter ....................................... 32
Low oil pressure-alert indicator ........ 32
Overheat-alert indicator.................... 33
Digital speedometer ...................... 33
Speedometer.................................... 33
Fuel gauge ....................................... 33
Trip meter / Clock / Voltmeter........... 34
Fuel level-alert indicator ................... 35
Low battery voltage-alert indicator ... 35
Command link multifunction
meters ........................................ 35
Command link multifunction
tachometers ............................... 35
Start-up checks ................................ 36
Low oil pressure-alert....................... 36
Overheat alert................................... 37
Water separator alert........................ 37
Engine trouble alert .......................... 38
Low battery voltage-alert .................. 38
Command Link multifunction
speed & fuel meters ................... 39
Command link multifunction
speedometers ............................ 40
Command link multifunction fuel
management meters .................. 40
Engine control system.................... 42
Alert system .................................. 42
Overheat alert................................... 42
Low oil pressure alert ....................... 42
Installation ....................................... 44
Installation ..................................... 44
Mounting the outboard motor ........... 44
Operation ......................................... 46
First-time operation ....................... 46
Fill engine oil .................................... 46
Breaking in engine............................ 46
Getting to know your boat ................ 46
Checks before starting engine ...... 46
Fuel level .......................................... 47
Remove cowling ............................... 47
Fuel system ...................................... 47
Controls ............................................ 48
Engine shut-off cord (lanyard) .......... 48
Engine oil.......................................... 48
Engine .............................................. 49
Flushing device ................................ 49
Install cowling ................................... 49
Power trim and tilt system ................ 50
Battery .............................................. 50
Filling fuel...................................... 50
Operating engine .......................... 51
Feeding fuel...................................... 51
Starting engine ................................. 51
Checks after starting engine ......... 54
Cooling water ................................... 54
Warming up engine....................... 54
Electric start models ......................... 54
Checks after engine warm-up ....... 55
Shifting ............................................. 55
Stop switches ................................... 55
Shifting .......................................... 55
Stopping boat................................ 56
Trolling .......................................... 56
Adjusting trolling speed .................... 56
Stopping engine ............................ 57
Procedure......................................... 57
Trimming outboard motor.............. 58
Adjusting trim angle
(Power trim and tilt) ....................... 58
Adjusting boat trim............................ 59
Tilting up and down....................... 60
Procedure for tilting up
(power trim and tilt models)........... 60
Procedure for tilting down
(power trim and tilt models)........... 62
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©2019 Yamaha Motor Corporation, U.S.A.