Yamaha LF250 User manual

Read this manual carefully before operating this
outboard motor.
OWNER’S MANUAL
F200
LF200
F225
F250
LF250
LIT-18626-11-22
6AL-28199-36-E0
U6AL36E0.book Page 1 Tuesday, September 29, 2015 9:01 AM
©2019 Yamaha Motor Corporation, U.S.A.

ZMU07696
Les gaz d’échappement du moteur de ce produit
contiennent des substances chimiques connues
dans l’État de Californie pour provoquer le cancer,
des anomalies congénitales et des troubles de la
reproduction.
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.
U6AL36E0.book Page 1 Tuesday, September 29, 2015 9:01 AM
©2019 Yamaha Motor Corporation, U.S.A.

Important manual information
EMU44141
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 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
EWM00782
A WARNING indicates a hazardous situa-
tion which, if not avoided, could result in
death or serious injury.
NOTICE
ECM00702
A NOTICE indicates special precautions
that must be taken to avoid damage to the
outboard motor or other property.
TIP:
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 prod-
uct information available at the time of print-
ing, there may be minor discrepancies
between your machine and this manual. If
there is any question concerning this manual,
please consult your Yamaha dealer.
To ensure long product life, Yamaha recom-
mends that you use the product and perform
the specified periodic inspections and main-
tenance by correctly following the instruc-
tions in the owner’s manual. Any damage
resulting from neglect of these instructions is
not covered by warranty.
Some countries have laws or regulations re-
stricting users from taking the product out of
the country where it was purchased, and it
may be impossible to register the product in
the destination country. Additionally, the war-
ranty may not apply in certain regions. When
planning to take the product to another coun-
try, consult the dealer where the product was
purchased for further information.
If you purchased this outboard motor used,
see your Yamaha dealer to have it registered
in your name in Yamaha records.
TIP:
The F200A, LF200A, F225A, F250A, LF250A
and the standard accessories are used as a
base for the explanations and illustrations in
this manual. Therefore some items may not
apply to every model.
EMU44151
F200, LF200, F225, F250, LF250
OWNER’S MANUAL
©2015 by Yamaha Motor Co., Ltd.
1st Edition, September 2015
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan
U6AL36E0.book Page 1 Tuesday, September 29, 2015 9:01 AM
©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 ............................................. 2
Gasoline exposure and spills ............. 2
Carbon monoxide .............................. 2
Modifications...................................... 2
Boating safety ................................. 2
Alcohol and drugs .............................. 2
Personal flotation devices (PFDs) ...... 2
People in the water ............................ 2
Passengers......................................... 2
Overloading........................................ 2
Avoid collisions .................................. 3
Weather.............................................. 3
Accident reporting.............................. 3
Boat education and training............... 3
Passenger training ............................. 4
Boating safety publications................ 4
Laws and regulations ......................... 4
Boating organizations ..................... 4
Basic boating rules (Rules of the
road) ............................................. 5
Steering and sailing rules and sound
signals............................................. 5
Rules when encountering vessels...... 5
Other special situations...................... 6
General information .......................... 9
Identification numbers record ......... 9
Outboard motor serial number........... 9
Key number........................................ 9
EC Declaration of Conformity
(DoC)............................................ 9
CE Marking ..................................... 9
Compliance mark and
manufactured date label............ 10
Read manuals and labels ............. 12
Warning labels ................................. 12
Specifications and
requirements ................................... 15
Specifications ............................... 15
Installation requirements .............. 16
Boat horsepower rating.................... 16
Mounting outboard motor ................ 16
Remote control requirements ....... 16
Battery requirements .................... 17
Battery specifications....................... 17
Propeller selection ........................ 18
Counter rotation models .................. 18
Start-in-gear protection ................ 18
Engine oil requirements ................ 18
Fuel requirements ......................... 19
Gasoline ........................................... 19
Gasoline Additives............................ 21
Muddy or acidic water .................. 21
Anti-fouling paint .......................... 21
Outboard motor disposal
requirements.............................. 22
Emergency equipment.................. 22
Emission control information ....... 22
Star labels ........................................ 22
Components.................................... 25
Components diagram ................... 25
Remote control box.......................... 28
Remote control lever ........................ 29
Free accelerator ............................... 29
Throttle friction adjuster ................... 30
Engine shut-off cord (lanyard) and
clip ................................................ 30
Main switch ...................................... 31
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©2019 Yamaha Motor Corporation, U.S.A.

Table of contents
Power trim and tilt switch on remote
control........................................... 31
Power trim and tilt switch on bottom
cowling.......................................... 31
Power trim and tilt switches (twin
binnacle type) ............................... 32
Trim tab with anode ......................... 32
Tilt support lever for power trim and
tilt model ....................................... 33
Cowling lock lever ............................ 33
Flushing device ................................ 34
Fuel filter........................................... 34
Instruments and indicators ............ 35
Digital tachometer ......................... 35
Tachometer ...................................... 35
Trim meter ........................................ 35
Hour meter ....................................... 35
Low oil pressure-alert indicator........ 35
Overheat-alert indicator ................... 36
Digital speedometer ...................... 36
Speedometer.................................... 36
Fuel gauge........................................ 37
Trip meter / Clock / Voltmeter.......... 37
Fuel level-alert indicator ................... 38
Low battery voltage-alert
indicator ........................................ 38
Fuel management meter ............... 38
Fuel flow meter................................. 38
Fuel consumption meter / Fuel
economy meter / Twin engine
speed synchronizer....................... 39
Water separator-alert indicator ........ 41
6YC Multifunction meter ............... 41
6Y8 Multifunction meters .............. 44
Engine control system .................... 48
Alert system .................................. 48
Overheat alert................................... 48
Low oil pressure alert....................... 48
Water separator alert........................ 49
Installation ....................................... 51
Installation..................................... 51
Mounting the outboard motor .......... 51
Operation ......................................... 53
First-time operation ...................... 53
Fill engine oil..................................... 53
Breaking in engine............................ 53
Getting to know your boat ............... 53
Checks before starting engine...... 53
Fuel level .......................................... 54
Removing top cowling...................... 54
Fuel system ...................................... 54
Controls............................................ 55
Engine shut-off cord (lanyard) .......... 55
Engine oil.......................................... 55
Outboard motor................................ 56
Flushing device ................................ 56
Installing top cowling ....................... 56
Checking power trim and tilt
system........................................... 57
Battery.............................................. 58
Filling fuel ..................................... 59
Operating engine .......................... 59
Sending fuel ..................................... 59
Starting engine ................................. 60
Checks after starting engine......... 61
Cooling water ................................... 61
Warming up engine....................... 62
Procedure for warming up engine.... 62
Checks after engine warm up....... 62
Shifting ............................................. 62
Stop switches................................... 62
Shifting.......................................... 62
Stopping boat ............................... 63
Stopping engine............................ 63
Procedure......................................... 63
Trimming outboard motor............. 64
Adjusting trim angle (Power trim
and tilt) .......................................... 64
Adjusting boat trim ........................... 65
Tilting up and down ...................... 66
Procedure for tilting up..................... 66
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©2019 Yamaha Motor Corporation, U.S.A.