Yamaha Z250 User manual

Z250
LZ250
Z300
LZ300
OWNER’S MANUAL
6D0-28199-14
U.S.A.Edition
LIT-18626-06-66
6D0-9-14 Hyoshi 4/25/05 5:06 PM Page 1
©2019 Yamaha Motor Corporation, U.S.A.

EMU25071
ZMU01690
Read this owner’s manual carefully before operating your outboard motor.
6D0-9-14 Hyoshi 4/25/05 5:06 PM Page 2
©2019 Yamaha Motor Corporation, U.S.A.

Important manual information
EMU31280
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 ob-
tain 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
ATTENTION! BECOME ALERT! YOUR
SAFETY IS INVOLVED!
WARNING
EWM00780
Failure to follow WARNING instructions
could result in severe injury or death to
the machine operator, a bystander, or a
person inspecting or repairing the out-
board 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 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 manu-
al, please consult your Yamaha dealer.
NOTE:
The Z250TR, LZ250TR, Z300TR, LZ300TR
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.
EMU25110
Z250, LZ250, Z300, LZ300
OWNER’S MANUAL
©2005 by Yamaha Motor Corporation, USA
1st edition, April 2005
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-18626-06-66
✩✱✣✬✤✧✲✣ ✤  
©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
Safety information ............................ 3
Important labels................................ 4
Warning labels .................................. 4
Caution labels ................................... 5
Basic boating rules
(Rules of the road) ......................... 5
Steering and sailing rules and
sound signals.................................. 6
Rules when encountering vessels .... 6
Other special situations..................... 7
Fueling instructions ......................... 9
Gasoline.......................................... 10
Engine oil ........................................ 10
Battery requirement........................ 10
Battery specifications ...................... 11
Propeller selection.......................... 11
Start-in-gear protection .................. 11
Basic components .......................... 12
Main components........................... 12
Remote control................................ 12
Remote control lever....................... 13
Neutral interlock trigger................... 13
Neutral throttle lever........................ 14
Free accelerator.............................. 14
Throttle friction adjuster................... 14
Engine stop lanyard switch ............. 15
Main switch ..................................... 16
Power trim and tilt switch on remote
control or tiller handle ................... 16
Power trim and tilt switch on bottom
engine cowling .............................. 16
Power trim and tilt switches
(twin binnacle type)....................... 17
Trim tab with anode ........................ 17
Tilt support lever for power trim
and tilt or hydro tilt model.............. 18
Top cowling lock lever
(pull up type) ................................. 18
Flushing device ............................... 18
Tachometer ..................................... 19
Digital tachometer ........................... 19
Oil level indicators
(three indicators) ........................... 19
Oil level indicator (digital type) ........ 20
Overheat warning indicator
(digital type) .................................. 20
Speedometer (digital type) .............. 20
Trim meter ....................................... 21
Trim meter (digital type) .................. 21
Hour meter (digital type)..................21
Trip meter ........................................ 22
Clock ............................................... 22
Fuel gauge ...................................... 22
Fuel warning indicator ..................... 23
Low battery voltage warning
indicator ........................................ 23
Fuel management meter ................. 23
Fuel flow meter................................24
Fuel consumption meter..................24
Fuel economy.................................. 25
Twin-engine speed synchronizer ....25
Water separator warning
indicator ........................................ 26
Warning system ............................. 26
Overheat warning (twin engines) ....26
Oil level warning and oil filter
clogging warning ........................... 27
Operation ......................................... 29
Installation...................................... 29
Mounting the outboard motor .......... 29
Breaking in engine ......................... 30
Procedure for HPDI models ............ 31
Preoperation checks ...................... 31
Fuel ................................................. 31
Oil .................................................... 31
Controls ........................................... 32
Engine ............................................. 32
Operation after a long period of
storage .......................................... 32
Filling fuel and engine oil ............... 33
Filling fuel for models without a fuel
joint ............................................... 33
Ring Free Fuel Additive...................33
✩✱✣✬✤✧✲✣ ✤  
©2019 Yamaha Motor Corporation, U.S.A.

Table of contents
Filling oil for oil injection models...... 33
Oil level indicator operation............. 35
Operating engine............................ 36
Feeding fuel .................................... 36
Starting engine................................ 36
Warming up engine ........................ 38
Electric start and prime start
models .......................................... 38
Shifting ........................................... 38
Forward (tiller handle and remote
control models) ............................. 38
Reverse (automatic reverse lock
and power trim and tilt models)..... 39
Stopping engine ............................. 39
Procedure ....................................... 39
Trimming outboard motor............... 40
Adjusting trim angle ........................ 40
Adjusting boat trim .......................... 41
Tilting up and down ........................ 42
Procedure for tilting up.................... 43
Procedure for tilting down ............... 44
Cruising in shallow water ...............45
Power trim and tilt models /
power tilt models........................... 45
Cruising in other conditions............ 46
Maintenance..................................... 47
Specifications ................................. 47
Transporting and storing outboard
motor ............................................ 48
Storing outboard motor ................... 48
Procedure ....................................... 49
Lubrication (oil injection models)..... 50
Cleaning and anticorrosion
measures ...................................... 50
Battery care..................................... 50
Flushing power unit......................... 51
Cleaning the outboard motor .......... 52
Checking painted surface of
motor............................................. 52
Periodic maintenance..................... 52
Replacement parts.......................... 52
Maintenance chart .......................... 53
Maintenance chart (additional)........ 54
Greasing ......................................... 55
Cleaning and adjusting spark plug.. 55
Checking fuel system ...................... 56
Inspecting fuel filter .........................57
Cleaning fuel filter ...........................57
Inspecting idling speed....................58
Checking water in engine oil tank ...59
Checking wiring and connectors .....59
Exhaust leakage.............................. 59
Water leakage ................................. 59
Checking power trim and tilt
system........................................... 59
Checking propeller .......................... 60
Removing the propeller ................... 61
Installing the Propeller.....................62
Changing gear oil ............................ 62
Inspecting and replacing
anode(s)........................................ 63
Checking battery
(for electric start models) ..............64
Connecting the Battery....................65
Disconnecting the battery................66
Checking top cowling ......................66
Coating the boat bottom.................. 66
Trouble Recovery............................ 67
Troubleshooting ............................. 67
Temporary action in emergency .... 70
Impact damage ............................... 70
Running single engine.....................70
Replacing fuse ................................ 71
Power trim and tilt / power tilt will
not operate.................................... 71
Engine fails to operate ................... 72
Low oil level warning activates........ 72
Treatment of submerged motor ..... 73
Procedure........................................ 73
Consumer information ................... 74
Important warranty information for
U.S.A. and Canada...................... 74
YAMAHA MOTOR
CORPORATION, U.S.A.
OUTBOARD MOTOR TWO
YEAR LIMITED WARRANTY ...... 76
IMPORTANT WARRANTY
INFORMATION IF YOU USE
YOUR YAMAHA OUTSIDE THE
USA OR CANADA ....................... 79
✩✱✣✬✤✧✲✣ ✥  
©2019 Yamaha Motor Corporation, U.S.A.