Yamaha F225 User manual

F225
F250
LF250
OWNER’S MANUAL
LIT-18626-07-85
6P2-28199-16
U.S.A.Edition
©2019 Yamaha Motor Corporation, U.S.A.

ZMU01690
Read this owner’s manual carefully before operating or working on your
outboard motor. Keep this manual onboard in a waterproof bag when boating.
This manual should stay with the outboard motor if it is sold.
U6P216E0.book Page 1 Thursday, September 27, 2007 10:29 AM
©2019 Yamaha Motor Corporation, U.S.A.

Important manual information
EMU31281
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.
The Safety Alert Symbol means AT-
TENTION! BECOME ALERT! YOUR SAFE-
TY IS INVOLVED!
WARNING
EWM00780
Failure to follow WARNING instructions
could result in severe injury or death to the
machine operator, a bystander, or a per-
son inspecting or repairing the outboard
motor.
CAUTION:
ECM00700
A CAUTION indicates special precautions
that must be taken to avoid damage to the
outboard motor.
NOTE:
A NOTE provides key information to make
procedures 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.
NOTE:
The F225TR, F250TR, LF250TR and the
standard accessories are used as a base for
the explanations and illustrations in this man-
ual. Therefore some items may not apply to
every model.
EMU25111
F225, F250, LF250
OWNER’S MANUAL
©2007 by Yamaha Motor Corporation,
USA
1st edition, September 2007
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-18626-07-85
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©2019 Yamaha Motor Corporation, U.S.A.

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
Star labels .......................................... 2
Read manuals and labels................ 4
Warning labels.................................... 4
Safety information............................. 7
Safety information ........................... 7
Rotating parts ..................................... 7
Hot parts............................................. 7
Electric shock ..................................... 7
Power trim and tilt............................... 7
Engine shut-off cord ........................... 7
Gasoline ............................................. 7
Gasoline exposure and spills ............. 7
Carbon monoxide ............................... 8
Modifications ...................................... 8
Boating safety ................................. 8
Alcohol and drugs............................... 8
Personal flotation devices .................. 8
People in the water............................. 8
Passengers ........................................ 8
Overloading ........................................ 8
Avoid collisions................................... 8
Weather.............................................. 9
Accident reporting .............................. 9
Boat education and training................ 9
Passenger training ............................. 9
Boating safety publications................. 9
Laws and regulations ......................... 9
Boating organizations.................... 10
Basic boating rules
(Rules of the road) ..................... 10
Steering and sailing rules and
sound signals ................................ 10
Rules when encountering vessels.... 11
Other special situations.................... 12
Basic requirements......................... 14
Fueling instructions ....................... 14
Gasoline ........................................... 14
Engine oil.......................................... 14
Installation requirements............... 15
Boat horsepower rating .................... 15
Mounting motor ................................ 15
Remote control requirements ........... 15
Battery requirement .......................... 16
Propeller selection............................ 16
Basic components .......................... 17
Main components.......................... 17
Remote control ................................. 18
Remote control lever ........................ 19
Free accelerator ............................... 19
Throttle friction adjuster .................... 20
Engine shut-off switch ...................... 20
Main switch....................................... 21
Power trim and tilt switch on remote
control ........................................... 21
Power trim and tilt switch on bottom
engine cowling .............................. 22
Power trim and tilt switches
(twin binnacle type) ....................... 22
Trim tab with anode.......................... 22
Tilt support lever for power trim and
tilt model........................................ 23
Top cowling lock lever
(pull up type) ................................. 24
Flushing device ................................ 24
Fuel filter/Water separator................ 25
Digital tachometer ............................ 25
Low oil pressure-warning indicator... 25
Overheat-warning indicator
(digital type) .................................. 26
Speedometer (digital type) ............... 26
Trim meter (digital type) ................... 27
Hour meter (digital type)................... 27
Trip meter ......................................... 27
Clock ................................................ 28
Fuel gauge ....................................... 28
Fuel warning indicator ...................... 28
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©2019 Yamaha Motor Corporation, U.S.A.

Table of contents
Low battery voltage-warning
indicator ........................................ 28
Fuel management meter .................. 29
Fuel flow meter................................. 29
Fuel consumption meter................... 30
Fuel economy................................... 30
Twin-engine speed synchronizer...... 31
Water separator-warning indicator ... 31
Command link multifunction
meters ........................................... 31
Tachometer unit ............................... 32
Speed & fuel meter unit.................... 35
Speedometer unit ............................. 36
Fuel management meter .................. 37
Warning system ............................ 37
Overheat warning ............................. 37
Low oil pressure warning.................. 38
Operation ......................................... 39
Installation ..................................... 39
Mounting the outboard motor ........... 39
Breaking in engine ........................ 40
Procedure for 4-stroke models ......... 40
Pre-operation checks .................... 41
Fuel .................................................. 41
Controls ............................................ 41
Stop switches ................................... 41
Engine .............................................. 41
Checking the engine oil level............ 41
Filling fuel ...................................... 42
Ring Free Fuel Additive.................... 42
Operating engine........................... 42
Priming fuel system .......................... 42
Starting engine ................................. 43
Warming up engine ....................... 44
Electric start models ......................... 44
Shifting .......................................... 45
Stopping boat ................................ 46
Stopping engine ............................ 46
Procedure......................................... 46
Trimming outboard motor.............. 46
Adjusting trim angle
(Power trim and tilt)....................... 47
Adjusting boat trim............................ 48
Tilting up and down....................... 48
Procedure for tilting up
(power trim and tilt models)........... 49
Procedure for tilting down
(power trim and tilt models)........... 50
Cruising in shallow water .............. 51
Power trim and tilt models ................ 51
Cruising in other conditions........... 52
Maintenance .................................... 53
Specifications................................ 53
Transporting and storing outboard
motor.......................................... 54
Storing outboard motor..................... 54
Procedure......................................... 55
Lubrication........................................ 55
Cleaning and anticorrosion
measures ...................................... 55
Battery care ...................................... 55
Flushing power unit .......................... 56
Checking painted surface of motor... 57
Periodic maintenance ................... 57
Replacement parts ........................... 57
Maintenance interval guidelines ....... 57
Maintenance chart 1......................... 58
Maintenance chart 2......................... 60
Greasing ........................................... 61
Cleaning and adjusting spark plug ... 62
Checking fuel system ....................... 63
Changing engine oil.......................... 64
Checking wiring and connectors ...... 67
Exhaust leakage............................... 67
Water leakage .................................. 67
Engine oil leakage ............................ 67
Checking power trim and tilt
system........................................... 67
Checking propeller ........................... 69
Removing propeller .......................... 70
Installing propeller ............................ 70
Changing gear oil ............................. 71
Inspecting and replacing anode(s) ... 72
Checking battery
(for electric start models) .............. 73
Connecting the battery ..................... 74
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©2019 Yamaha Motor Corporation, U.S.A.

Table of contents
Disconnecting the battery................. 75
Checking top cowling ....................... 75
Coating the boat bottom................... 75
Trouble Recovery ............................ 76
Troubleshooting ............................ 76
Temporary action in emergency.... 79
Impact damage................................. 79
Running single engine
(twin engines)................................ 79
Replacing fuse.................................. 80
Power trim and tilt will not operate ... 81
Water separator-warning indicator
blinks while cruising ...................... 81
Treatment of submerged motor..... 83
Consumer information.................... 84
Important warranty information
for U.S.A. and Canada ............... 84
YAMAHA MOTOR
CORPORATION, U.S.A.
FOUR-STROKE OUTBOARD
MOTOR THREE-YEAR
LIMITED WARRANTY ............... 86
IMPORTANT WARRANTY
INFORMATION IF YOU USE
YOUR YAMAHA OUTSIDE
THE USA OR CANADA ............. 88
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©2019 Yamaha Motor Corporation, U.S.A.

General information
1
EMU25171
Identification numbers record
EMU25183
Outboard motor serial number
The outboard motor serial number is stamped
on the label attached to the port side of the
clamp 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, the key identification number is stamped
on your key as shown in the illustration.
Record this number in the space provided for
reference in case you need a new key.
EMU25221
Emission control information
EMU25230
North American models
This engine conforms to U.S. Environmental
Protection Agency (EPA) regulations for ma-
rine SI engines. See the label affixed to your
engine for details.
EMU31560
Approval label of emission control certifi-
cate
This label is attached to the bottom cowling.
New Technology; (4-stroke) MFI
1. Outboard motor serial number location
1. Key number
1. Approval label location
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©2019 Yamaha Motor Corporation, U.S.A.

General information
2
EMU25262
Manufactured date label
This label is attached to the clamp bracket or
the swivel bracket.
EMU25273
Star labels
Your outboard motor is labeled with a Califor-
nia Air Resources Board (CARB) star label.
See below for a description of your particular
label.
EMU25280
One Star—Low Emission
The one-star label identifies engines that
meet the Air Resources Board’s 2001 ex-
haust emission standards. Engines meeting
these standards have 75% lower emissions
than conventional carbureted two-stroke en-
gines. These engines are equivalent to the
U.S. EPA’s 2006 standards for marine en-
gines.
EMU25290
Two Stars—Very Low Emission
The two-star label identifies engines that meet
the Air Resources Board’s 2004 exhaust
emission standards. Engines meeting these
standards have 20% lower emissions than
One Star-Low-Emission engines.
1. Manufactured date label location
Manufactured:
ZMU04346
1. Star labels location
ZMU01702
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©2019 Yamaha Motor Corporation, U.S.A.

General information
3
EMU25300
Three Stars—Ultra Low Emission
The three-star label identifies engines that
meet the Air Resources Board’s 2008 ex-
haust emission standards. Engines meeting
these standards have 65% lower emissions
than One Star-Low-Emission engines.
EMU33861
Four Stars—Super Ultra Low Emission
The four-star label identifies engines that
meet the Air Resources Board’s Sterndrive
and Inboard marine engine 2009 exhaust
emission standards. Personal Watercraft and
Outboard marine engines may also comply
with these standards. Engines meeting these
standards have 90% lower emissions than
One Star-Low-Emission engines.
ZMU01703
ZMU01704
ZMU05663
U6P216E0.book Page 3 Thursday, September 27, 2007 10:29 AM
©2019 Yamaha Motor Corporation, U.S.A.

General information
4
EMU33520
Read manuals and labels
Before operating or working on this motor:
●Read this manual.
●Read any manuals supplied with the boat.
●Read all labels on the outboard motor and the boat.
If you need any additional information, contact your Yamaha dealer.
EMU33831
Warning labels
If these labels are damaged or missing, contact your Yamaha dealer for replacements.
F225, F250, LF250
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©2019 Yamaha Motor Corporation, U.S.A.