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
U6P216E0.book Page 1 Thursday, September 27, 2007 10:29 AM
©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
U6P216E0.book Page 2 Thursday, September 27, 2007 10:29 AM
©2019 Yamaha Motor Corporation, U.S.A.