Yamaha LF115Y User manual

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User manual

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E
PREFACE
This manual has been prepared by the Yamaha Motor Company, Ltd. primarily for use by
Yamaha dealers and their trained mechanics when performing maintenance procedures and
repairs to Yamaha equipment. It has been written to suit the needs of persons who have a
basic understanding of the mechanical and electrical concepts and procedures inherent in the
work, for without such knowledge attempted repairs or service to the equipment could render
it unsafe or unfit for use.
Because the Yamaha Motor Company, Ltd. has a policy of continuously improving its prod-
ucts, models may differ in detail from the descriptions and illustrations given in this publica-
tion. Use only the latest edition of this manual. Authorized Yamaha dealers are notified
periodically of modifications and significant changes in specifications and procedures, and
these are incorporated in successive editions of this manual.
F115A/FL115A
SERVICE MANUAL
©2000 Yamaha Motor Co., Ltd.
1st Edition, January 2000
All rights reserved.
No part of this publication may be
reproduced or transmitted in any form or by
any means including photocopying and
recording without the written permission of
the copyright holder.
Such written permission must also be
obtained before any part of this publication
is stored in a retrieval system of any nature.
Printed in Japan
P/N 68V-28197-ZA-C1
www.azovservis.ru
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HOW TO USE THIS MANUAL
MANUAL FORMAT
All of the procedures in this manual are organized in a sequential, step-by-step format. The
information has been compiled to provide the mechanic with an easy to read, handy refer-
ence that contains comprehensive explanations of all disassembly, repair, assembly, and
inspection operations.
For instance, the condition of a faulty component will precede an arrow symbol and the
course of action required will follow the symbol.
Bearings
Pitting/scratches
Replace.
To assist you in finding your way through this manual, the section title and major heading is
given at the top of every page.
MODEL INDICATION
Multiple models are mentioned in this manual and their model indications are noted as fol-
lows.
ILLUSTRATIONS
The illustrations within this service manual represent all of the designated models.
CROSS REFERENCES
The cross references have been kept to a minimum. Cross references will direct you to the
appropriate section or chapter.
Model name F115AET FL115AET
USA and
Canada name
F115TR LF115TR
Indication F115AET FL115AET
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IMPORTANT INFORMATION
In this Service Manual particularly important information is distinguished in the following
ways.
The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED!
WARNING
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 outboard motor.
CAUTION:
A CAUTION indicates special precautions that must be taken to avoid damage to the out-
board motor.
NOTE:
A NOTE provides key information to make procedures easier or clearer.
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HOW TO USE THIS MANUAL
1
The main points regarding removing/installing and disassembling/assembling procedures
are shown in the exploded views.
2
The numbers in the exploded views indicate the required sequence of the procedure and
should be observed accordingly.
3
Symbols are used in the exploded views to indicate important aspects of the procedure.
A list of meanings for these symbols is provided on the following page.
4
It is important to refer to the job instruction charts at the same time as the exploded views.
These charts list the sequence that the procedures should be carried out in, as well as pro-
viding explanations on part names, quantities, dimensions and important points relating
to each relevant task.
Example:
O-ring size 39.5
×
2.5 mm: inside diameter (D)
×
ring diameter (d)
5
In addition to tightening torques, the dimensions of the bolts and screws are also men-
tioned.
Example:
Bolt and screw size : bolt and screw diameter (D)
×
length (L)
6
In addition to the exploded views and job instruction charts, this manual provides individ-
ual illustrations when further explanations are required to explain the relevant procedure.
d
D
10 × 25 mm
D
L
E
SYMBOLS
Symbols
1
to
9
are designed as thumb-
tabs to indicate the content of a chapter.
1
General information
2
Specifications
3
Periodic inspections and adjustments
4
Fuel system
5
Power unit
6
Lower unit
7
Bracket unit
8
Electrical systems
9
Trouble analysis
Symbols
0
to
E
indicate specific data.
0
Special tool
A
Specified liquid
B
Specified engine speed
C
Specified torque
D
Specified measurement
E
Specified electrical value
[Resistance (
), Voltage (V), Electric current
(A)]
Symbol
F
to
H
in an exploded diagram
indicate the grade of lubricant and the loca-
tion of the lubrication point.
F
Apply Yamaha 4-stroke outboard motor oil
(TC-W3)
G
Apply water resistant grease
(Yamaha grease A, Yamaha marine grease)
H
Apply molybdenum disulfide oil
Symbols
I
to
N
in an exploded diagram
indicate the grade of the sealing or locking
agent and the location of the application
point.
I
Apply Gasket Maker
®
J Apply Yamabond #4
(Yamaha bond number 4)
K Apply LOCTITE
®
No. 271 (Red LOCTITE)
L Apply LOCTITE
®
No. 242 (Blue LOCTITE)
M Apply LOCTITE
®
No. 572
N Apply silicon sealant
12
34
56
78
90
AB
CD
EF
GH
IJ
KL
MN
GEN
INFO
SPEC
INSP
ADJ
FUEL
POWR
LOWR
BRKT
–+
ELEC
TRBL
ANLS
T
R
.
.
E
A
M
GM
4
271
LT
242
LT
572
LT
LT
SS
E
CONTENTS
GENERAL INFORMATION
SPECIFICATIONS
PERIODIC INSPECTIONS AND
ADJUSTMENTS
FUEL SYSTEM
POWER UNIT
LOWER UNIT
BRACKET UNIT
ELECTRICAL SYSTEMS
TROUBLE ANALYSIS
F
D
ES
TABLE DES
MATIERES
INFORMATIONS
GENERALES
SPECIFICATIONS
INSPECTION
PERIODIQUE ET
REGLAGE
SYSTEME
D’ALIMENTATION
MOTEUR
BLOC DE
PROPULSION
UNITE DE SUPPORT
EQUIPEMENT
ELECTRIQUE
DEPANNAGE
INHALT
ALLGEMEINES
TECHNISCHE
DATEN
REGELMÄßIGE
INSPEKTIONEN UND
EINSTELLUNGEN
KRAFTSTOFFAN-
LAGE
MOTOR
ANTRIEBSEINHEIT
MOTORHALTERUNG
ELEKTRISCHE
ANLAGE
STÖRUNGSSUCHE
TABLA DE
MATERIAS
INFORMACIÓN
GENERAL
1
ESPECIFICACIONES
2
SPEC
INSPECCIÓN
PERIÓDICA Y
AJUSTE
3
SISTEMA DE
COMBUSTIBLE
4
FUEL
MOTOR
5
POWR
UNIDAD INFERIOR
6
LOWR
UNIDAD DE
MÉNSULA
7
BRKT
SISTEMAS
ELÉCTRICOS
8
ELEC
ANÁLISIS DE
AVERÍAS
9
GEN
INFO
INSP
ADJ
–+
TRBL
ANLS
1-1
GEN
INFO
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IDENTIFICATION
IDENTIFICATION
1
SERIAL NUMBER
The outboard motor’s serial number is
stamped on a label which is attached to the
port side of the clamp bracket.
NOTE:
If the serial number label is removed,
“VOID” marks will be appear on the label.
1
Model name
2
Approved model code
3
Transom height
4
Serial number
S68V1010
1020
STARTING SERIAL NUMBERS
The starting serial number blocks are as fol-
lows:
Model name
Approved
model
code
Starting
serial
number
World-
wide
USA Canada
F115AET F115TR F115TR 68V
L: 300101 -
X: 700101 -
FL115AET LF115TR LF115TR 68W X: 800101 -
1-2
GEN
INFO
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SAFETY WHILE WORKING
SAFETY WHILE WORKING
1
The procedures given in this manual are
those recommended by Yamaha to be fol-
lowed by Yamaha dealers and their
mechanics.
FIRE PREVENTION
Gasoline (petrol) is highly flammable.
Petroleum vapor is explosive if ignited.
Do not smoke while handling gasoline and
keep it away from heat, sparks and open
flames.
1030
VENTILATION
Petroleum vapor is heavier than air and is
deadly if inhaled in large quantities. Engine
exhaust gases are harmful to breathe.
When test-running an engine indoors,
maintain good ventilation.
1040
SELF-PROTECTION
Protect your eyes with suitable safety
glasses or safety goggles, when grinding or
when doing any operation which may
cause particles to fly off. Protect hands and
feet by wearing safety gloves or protective
shoes if appropriate to the work you are
doing.
1050
OILS, GREASES AND SEALING
FLUIDS
Use only genuine Yamaha oils, greases and
sealing fluids or those recommended by
Yamaha.
1060
1-3
GEN
INFO
E
SAFETY WHILE WORKING
Under normal conditions of use, there
should be no hazards from the use of the
lubricants mentioned in this manual, but
safety is all-important, and by adopting
good safety practices, any risk is minimized.
A summary of the most important precau-
tions is as follows:
1. While working, maintain good stan-
dards of personal and industrial
hygiene.
2. Clothing which has become contami-
nated with lubricants should be
changed as soon as practicable, and
laundered before further use.
3. Avoid skin contact with lubricants; do
not, for example, place a soiled wiping-
rag in your pocket.
4. Hands and any other part of the body
which have been in contact with lubri-
cants or lubricant-contaminated cloth-
ing, should be thoroughly washed with
hot water and soap as soon as practica-
ble.
5. To protect the skin, the application of a
suitable barrier cream to the hands
before working, is recommended.
6. A supply of clean lint-free cloths should
be available for wiping purposes.
GOOD WORKING PRACTICES
1. The right tools
Use the recommended special tools to
protect parts from damage. Use the
right tool in the right manner – do not
improvise.
2. Tightening torque
Follow the tightening torque instruc-
tions. When tightening bolts, nuts and
screws, tighten the large sizes first, and
tighten inner-positioned fixings before
outer-positioned ones.
1070
1-4
GEN
INFO
E
SAFETY WHILE WORKING
3. Non-reusable items
Always use new gaskets, packings, O-
rings, split-pins, circlips, etc., on reas-
sembly.
1080
DISASSEMBLY AND ASSEMBLY
1. Clean parts with compressed air when
disassembling.
2. Oil the contact surfaces of moving parts
before assembly.
1090
3. After assembly, check that moving parts
operate normally.
1100
4. Install bearings with the manufacturer’s
markings on the side exposed to view,
and liberally oil the bearings.
5. When installing oil seals, apply a light
coating of water-resistant grease to the
outside diameter.
1-5
GEN
INFO
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SPECIAL TOOLS
SPECIAL TOOLS
1
Using the correct special tools recom-
mended by Yamaha, will aid the work and
enable accurate assembly and tune-up.
Improvising and using improper tools can
damage the equipment.
NOTE:
For U.S.A. and Canada, use part numbers
that start with “J-”, “YB-”, “YM-”, “YU-”
or “YW-”.
For others countries, use part numbers
that start with “90890-”.
MEASURING
1
Pressure tester
P/N. YB-35956
90890-06762
2
Mity vac
P/N. YB-35956
90890-06756
3
Pinion height gauge
P/N. YB-34432-6, YB-34432-11,
YB-34432-97
90890-06702
4
Dial gauge set
P/N. YU-03097
90890-01252
5
Magnetic base
P/N. YU-34481
90890-06705
6
Digital caliper
P/N. 90890-06704
7
Backlash indicator
P/N. YB-06265
90890-06706
8
Magnetic base attaching plate
P/N. YB-07003
90890-07003
9
Fuel pressure gauge
P/N. YB-06766
90890-06786
0
Hydraulic pressure gauge
P/N. 90890-06776
12
34
56
78
90
1-6
GEN
INFO
E
SPECIAL TOOLS
A
Up-relief valve attachment
P/N. 90890-06773
Down-relief valve attachment
P/N. 90890-06774
B
Digital tester
P/N. J-39299
90890-06752
C
Peak voltage adapter
P/N. YU-39991 ................................
a
90890-03169 ...........................
b
D
Spark gap tester
P/N. YM-34487 ...............................
a
90890-06754 ...........................
b
E
Shimming gauge
P/N. YB-34446-1, YB-34446-3,
YB-34446-5, YB-34446-7
F
Shimming gauge
P/N. YB-34468-2
G
Shimming plate
P/N. 90890-06701
H
Shift rod wrench
P/N. YB-06052
90890-06052
I
Test harness
P/N. 90890-06790, 90890-06791,
90890-06792, 90890-06793
C
b
AB
a
D
ba
E
G
F
H
I
1-7
GEN
INFO
E
SPECIAL TOOLS
REMOVING AND INSTALLING
1 Flywheel magnet assembly holder
P/N. YB-06139 ................................ a
90890-06522 ........................... b
2 Universal puller
P/N. YB-06117 ................................ a
90890-06521 ........................... b
3 Bearing/oil seal attachment
P/N. YB-06196 ................................ a
90890-06653 ........................... b
4 Driver rod
P/N. YB-06071
90890-06602, 90890-06604,
90890-06605, 90890-06606,
90890-06652
5 Bearing/oil seal attachment
P/N. YB-06430
90890-06630, 90890-06656
6 Bearing/oil seal attachment
P/N. YB-06199
90890-06620
7 Piston ring compressor
P/N. YU-33294 ................................ a
90890-06530 ........................... b
8 Bearing separator
P/N. YB-06219 ................................ a
90890-06534 ........................... b
9 Guide plate stand
P/N. 90890-06538
0 Guide plate
P/N. 90890-06501
1
ba
3
ba
45
90
7
ba
8
ba
2
ba
6
1-8
GEN
INFO
E
SPECIAL TOOLS
A Bearing puller
P/N. 90890-06535
B Bearing/oil seal attachment
P/N. 90890-06661
C Ring nut wrench
P/N. YB-34447
90890-06511
D Ring nut wrench extension
P/N. 90890-06513
E Propeller shaft housing puller
P/N. YB-06207 ................................ a
90890-06502 ........................... b
F Center bolt
P/N. 90890-06504
G Slide hammer
P/N. YB-06096
90890-06531
H Small universal claws
P/N. 90890-06536
I Bearing/oil seal depth plate
P/N. YB-06213, YB-34474 .............. a
90890-06603 ........................... b
J Drive shaft holder
P/N. YB-06151
90890-06519
K Pinion nut holder
P/N. 90890-06505
L Pinion nut holder attachment
P/N. 90890-06507
M Bearing/oil seal attachment
P/N. YB-06194, YB-06195,
YB-06200, YB-06376,
YB-06337, YB-06378
90890-06607, 90890-06608,
90890-06610, 90890-06612,
90890-06636
N Bearing puller
P/N. 90890-06523
O Large universal claws
P/N. 90890-06532
AB
CD
FG
H
JK
LM
NO
E
ba
I
ba
1-9
GEN
INFO
E
SPECIAL TOOLS
P Slide hammer attachment
P/N. YB-06335
90890-06514
Q Oil filter wrench
P/N. YU-38411
90890-01426
R End screw wrench
P/N. YB-06175-1A
S End screw wrench
P/N. YB-06548
90890-06548
T Valve spring compressor
P/N. YM-01253
90890-04019
U Valve spring compressor adapter
(ø22 mm)
P/N. YB-06554
90890-06554
V Valve seat cutter set
P/N. YM-91043-C............................ a
90890-06803 ........................... b
W Valve seat cutter holder (ø6 mm)
P/N. YB-06553
90890-06553
X Valve seat cutter
P/N. YB-06555 (45˚ - 30 mm)
YB-06556 (90˚ - 30 mm)
90890-06555 (45˚ - 30 mm)
90890-06556 (90˚ - 30 mm)
Y Valve guide remover (ø5.9 mm)
P/N. YM-4064-A
90890-04064
Z Valve guide reamer (ø6 mm)
P/N. YM-04066
90890-04066
[ Crankshaft holder
P/N. YB-06552
90890-06552
PQ
RS
TU
W
V
ba
X
YZ
[
E
SPEC
CHAPTER 2
SPECIFICATIONS
GENERAL SPECIFICATIONS
.......................................................................... 2-1
MAINTENANCE SPECIFICATIONS
................................................................ 2-3
POWER UNIT............................................................................................ 2-3
LOWER UNIT............................................................................................ 2-7
ELECTRICAL ............................................................................................. 2-7
DIMENSIONS ......................................................................................... 2-10
TIGHTENING TORQUES
.............................................................................. 2-13
SPECIFIED TORQUES ............................................................................ 2-13
GENERAL TORQUES ............................................................................. 2-15
1
2
3
4
5
6
7
8
9
F
D
ES
CHAPITRE 2
SPECIFICATIONS
SPECIFICATIONS GENERALES
...2-1
SPECIFICATIONS
D’ENTRETIEN
..................................2-3
MOTEUR..........................................2-3
BLOC DE PROPULSION ................2-7
SYSTEME ELECTRIQUE...............2-7
DIMENSIONS ................................2-10
COUPLES DE SERRAGE
...............2-13
COUPLES SPECIFIES...................2-13
COUPLES DE SERRAGE
GENERAUX..................................2-15
KAPITEL 2
TECHNISCHE DATEN
ALLGEMEINE TECHNISCHE
DATEN
.......................................... 2-1
WARTUNGSDATEN
...................... 2-3
MOTORBLOCK ........................... 2-3
ANTRIEBSEINHEIT .................... 2-7
ELEKTRISCHE ANLAGE ............ 2-7
ABMESSUNGEN...................... 2-10
ANZUGSDREHMOMENT
............ 2-13
VORGESCHRIEBENE
ANZUGSDREHMOMENTE ..... 2-13
ALLGEMEINE
DREHMOMENTANGABEN .... 2-15
CAPITULO 2
ESPECIFICACIONES
ESPECIFICACIONES
GENERALES
.....................................2-1
ESPECIFICACIONES DE
MANTENIMIENTO
..........................2-3
UNIDAD DEL MOTOR...................2-3
UNIDAD INFERIOR........................2-7
SISTEMA ELÉCTRICO...................2-7
DIMENSIONES..............................2-10
TORSIÓN DE APRIETE
.................2-13
TORSIONES ESPECIFICADAS....2-13
TORSIONES GENERALES...........2-15
2-1
SPEC
E
GENERAL SPECIFICATIONS
GENERAL SPECIFICATIONS
2
Item Unit
Model
Worldwide F115AET FL115AET
USA F115TR LF115TR
Canada F115TR LF115TR
DIMENSION
Overall length mm (in) 825 (32.5)
Overall width mm (in) 498 (19.6)
Overall height
(L) mm (in) 1,609 (63.3)
(X) mm (in) 1,736 (68.3)
Boat transom height
(L) mm (in) 516 (20.3)
(X) mm (in) 643 (25.3)
WEIGHT
(with aluminum propeller)
(L) kg (lb) 192 (422.4)
(X) kg (lb) 197 (433.4)
PERFORMANCE
Maximum output
kW (hp) @
5,500 r/min
84.6 (115)
Full throttle operating range r/min 5,000 - 6,000
Maximum fuel
consumption
L (US gal,
lmp gal)/hr
@ 5,500 r/min
38 (10.0, 8.4)
POWER UNIT
Type In-line, 4 stroke, DOHC, 16 valves
Number of cylinders 4
Displacement cm
3
(cu. in) 1,741 (106.2)
Bore
×
stroke mm (in) 79.0
×
88.8 (3.11
×
3.50)
Compression ratio 9.7
Minimum compression
pressure
kPa
(kgf/cm
2
, psi)
950 (9.5, 135)
Fuel system Electronic fuel injection
Fuel injection system Group injection
Starting system Electric
Ignition control system Microcomputer (TCI)
Alternator output 12 - 25A
Spark plugs (NGK) LFR6A-11
Cooling system Water
Exhaust system Through propeller boss
Lubrication system Wet sump
Lubrication oil pressure
at 65˚C (149˚F), with
low-30 engine oil
kPa
(kgf/cm
2
, psi)
@ 850 r/min
320 (3.2, 45.5)
2-2
SPEC
E
GENERAL SPECIFICATIONS
* PON: Pump Octane Number (Research octane + Motor octane)/2
RON: Research Octane Number
FUEL AND OIL
Fuel type Unleaded regular gasoline
Fuel rating *PON
RON
86
91
Engine oil type 4-stroke outboard engine oil
Engine oil grade API
SAE
SE, SF, SG, SH
10W-30, 10W-40
Engine oil capacity
(with oil filter) cm
3
(US oz,
lmp oz)
4,700 (159, 165)
(without oil filter) cm
3
(US oz,
lmp oz)
4,500 (152, 158)
Gear oil type Hypoid gear oil
Gear oil grade API
SAE
GL-4
90
Gear oil total quantity cm
3
(US oz,
lmp oz)
760 (25.7, 26.8) 715 (24.2, 25.2)
BRACKET
Trim angle
(at 12˚ boat transom)
Degree –4 - 16
Tilt-up angle Degree 70
Steering angle Degree 30 + 30
DRIVE UNIT
Gear shift positions F-N-R
Gear ratio 2.15 (28/13)
Reduction gear type Spiral bevel gear
Clutch type Dog clutch
Propeller shaft type Spline
Propeller direction
(rear view)
Clockwise Counterclockwise
Propeller mark K KL
ELECTRICAL
Battery capacity Ah (kC) 70 - 100 (252 - 360)
Minimum cold cranking
performance
A 380
Item Unit
Model
Worldwide F115AET FL115AET
USA F115TR LF115TR
Canada F115TR LF115TR
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Yamaha LF115Y User manual

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User manual
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