Yamaha 25X Manuals

Manuals and User Guides for Yamaha 25X. We have 5 Yamaha 25X manuals available for free PDF download: Service Manual, Owner's Manual

Yamaha 25X Service Manual (385 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 7.74 MB

How to Use this Manual
4
Important Information
6
Symbols
10
Index
12
Table of Contents
14
General Information
14
Identification

16
- Serial Number
  16
- Starting Serial Numbers
  16
Chapter 1

16
Safety While Working

18
- Fire Prevention
  18
- Ventilation
  18
- Self-Protection
  18
- Oils, Greases and Sealing Fluids
  18
- Good Working Practices
  20
- Disassembly and Assembly
  22
- Measuring
  24
Special Tools

24
- Outillage Special
  25
- 90890-03169
  27
- 90890-06752
  27
- 90890-06754
  27
- P/N. J-39299
  27
- P/N. Ym-34487
  27
- P/N. Yu-39991
  27
  - Removal and Installation
    28
  - Specifications
    32
Chapter 2

34
General Specifications

34
Maintenance Specifications

42
Caracteristiques D'entretien

43
- Moteur
  43
- Bloc de Propulsion
  47
  - Electrical
    48
  - Partie Electricite
    49
  - Bracket Dimensions
    52
  - Outboard Dimensions
    52
  - Dimensions du Moteur Hors-Bord
    53
  - Dimensions du Support
    53
Daten

53
- Dimensiones de la Ménsula
  53
- Dimensiones del Fuera de Borda
  53
Wartungdaten

53
Especificaciones de Mantenimiento

53
Tightening Torque

54
Torsión de Apriete

55
General Tightening Torque

56
Torsiones de Apriete

57
- Periodic Inspection and Adjustment
  58
Predelivery Service

62
- Contents
  62
- Electric Wiring
  64
Chapter 3

64
- 25Jmh, 25Jmho, 30Dmh, 30Dmho
  64
- 30Dwh, 30Dwho
  66
- 25Jeo, 30Dmo, 30De, 30Deo
  68
- 25Jeto, 30Det, 30Deto
  70
- Fuel Line
  72
- Gear Oil Level
  74
- Operation of Controls and Moving Parts
  74
- Ignition Timing
  76
- Motor Exterior
  76
- Instructing the New Owner
  76
- Fuel Leakage
  76
- Water Leakage
  76
- Exhaust Leakage
  76
- Engine and Lower Unit Noise
  76
- Idle-Speed
  76
Periodic Service

78
- Maintenance Schedule
  78
- Anode
  78
- Battery
  82
- Cylinder Head Bolts, Engine Mounting Bolts, and Flywheel Nut
  84
- Gear Oil
  84
- Oil-Injection Pump
  84
- Operational Test
  84
- Fuel Filter
  84
- Fuel Line
  84
  - Carburetor
    86
  - Carburetor Link Adjustment
    88
  - Fuel Enrichment Valve Adjustment
    88
  - Ignition Timing Adjustment
    88
  - Idle-Speed
    92
  - Oil Pump Link Adjustment
    94
  - Pick-Up Timing
    94
  - 25Jeo, 25Jeto, 30Deo, 30Deto
    96
  - 25Jmho, 30Dmo, 30Dmho, 30Dwho
    96
  - Oil-Level Warning System
    96
  - Propeller
    96
  - Spark Plug
    98
  - Manual Handle Model
    100
  - Start-In-Gear Protection Adjustment
    100
  - Start-In-Gear Protection Model
    100
  - Throttle Cable Adjustment
    100
  - Neutral Opening Limit Adjustment
    102
  - Power Trim and Tilt Fluid Check
    102
  - Hydraulic System Air Bleeding
    104
    
    Fuel System
    106
    
    Fuel System Exploded Diagram
    108
    
    Fuel Filter Cleaning and Inspection
    110
  - Removal
    110
  - Fuel Joints
    112
  - Installation
    112
    
    Carburetor Exploded Diagram
    114
    
    Carburetor Removal and Disassembly
    116
  - Carburetor Body
    118
  - Collar
    118
  - Float
    118
  - Inspection
    118
  - Needle Valve
    118
  - Pilot Screw
    118
  - Fuel Pump
    120
  - Assembly
    122
  - Installation
    124
  - Oil Injection Exploded Diagram
    126
  - Installation
    128
  - Oil Injection Cleaning and Inspection
    128
  - Oil-Hoses
    128
  - Oil-Level Gauge
    128
  - Oil-Tank
    128
  - Oil Injection Removal
    128
  - Power Unit
    130
Exploded Diagram

134
CHAPTER 5 Preparation for Overhaul

136
Removal

136
Disassembly

138
- Cylinder Head
  140
Inspection

140
- Cleaning
  140
- Cylinder Block
  142
- Cleaning
  142
- Inspection
  142
  - Piston Cleaning
    144
  - Piston Inspection
    144
  - Inspection
    146
  - Piston Ring
    146
  - Cleaning
    148
  - Crankshaft
    148
  - Inspection
    148
  - Piston Pin and Small End Bearing
    148
  - Inspection
    150
  - Reed Valve
    150
  - Thermostat
    150
  - (Oil Injection Pump Drive)
    152
  - Cleaning
    152
  - Crank Main Bearing
    152
  - Drive Gear
    152
  - Driven Gear (Oil Injection Pump Drive)
    152
  - Inspection
    152
- Bearing, Oil Seal, O-Ring and Oil Pump Drive Gear
  154
Assembly and Adjustment

154
- Piston
  154
- Crank Cylinder Assembly
  156
- Small End Bearings and Piston Assembly
  156
- Cylinder Head and Exhaust Cover
  158
- Fuel System and Electrical System
  160
Installation

160
- Intake Manifold
  160
- Reed Valve
  160
  - Recoil Starter Exploded Diagram
    162
  - Drive Pawl and Spring
    164
  - Inspection
    164
  - Removal and Disassembly
    164
  - Collar and Roller
    166
  - Sheave Drum
    166
  - Starter Rope
    166
  - Start-In-Gear Protection
    168
  - Starter Spring
    168
  - Lower Unit
    174
  - Lower Unit Exploded Diagram
    178
Preparation for Removal

180
Disassembly

180
- Bearing Housing
  190
- Claw-Washer
  190
- Gear Case
  190
Inspection

190
- Ring-Nut
  190
- Water Pump Housing
  190
  - Bearing
    192
  - Clutch Dog and Components
    192
  - Gear
    192
  - OIL-SEAL HOUSING (Located under the Impeller)
    192
  - Drive Shaft and Propeller Shaft
    194
  - Drive Shaft Sleeve
    194
  - Propeller/Trim Tab/Anode
    194
  - Shift-Plunger, Shift-Shaft, and Boot
    194
  - Forward Gear Shim Selection
    196
  - Pinion Gear Shim Selection
    196
  - Propeller-Shaft Housing
    196
Assembly and Adjustment

196
- Impeller and Cartridge Insert
  192
- Assembly
  196
- Gear Case
  198
- Reverse Gear Shim Selection
  198
- SHIM SELECTION (for USA and CANADA)
  202
  - Pinion Gear Shim
    204
  - Forward Gear Shim
    206
  - Reverse Gear Shim
    210
  - SHIM SELECTION (Except for USA and CANADA)
    212
  - Forward Gear Shim
    216
  - Reverse Gear Shim
    218
  - Forward Gear
    220
  - Measuring the Backlash
    220
  - Reverse Gear
    222
  - Water Pump Installation
    224
  - Lower Unit Leakage Check
    226
  - Bracket Unit
    230
  - Steering Handle Exploded Diagram
    234
  - Steering Handle Removal and Installation Chart
    234
  - Bottom Cowling Exploded Diagram
    236
  - Bottom Cowling Removal and Installation Chart
    236
  - Upper Case Exploded Diagram
    240
  - Upper Case Removal and Installation Chart
    240
  - Steering Bracket Exploded Diagram
    246
  - Steering Bracket Removal and Installation Chart
    246
  - Power Trim and Tilt (Ptt) Unit Exploded Diagram
    250
  - Power Trim and Tilt (Ptt) Unit Removal and Installation Chart
    250
  - Clamp Bracket Exploded Diagram
    254
  - Clamp Bracket Removal and Installation Chart
    254
Clamp Bracket (Except Ptt Model)

254
Clamp Bracket (Ptt Model)

260
- Swivel Bracket Exploded Diagram
  264
- Swivel Bracket Removal and Installation Chart
  264
- Tilt Rod Exploded Diagram
  268
- Tilt Rod Removal and Installation Chart
  268
- Service Points
  272
  - Tilt Rod Removal
    272
  - Tilt Piston Installation
    274
  - Tilt Rod Installation
    274
  - Air Bleeding
    276
  - Ptt Motor, Pump Housing, and Tilt Cylinder Exploded Diagram
    280
  - Pump Housing Exploded Diagram
    284
  - Pump Housing Removal and Installation Chart
    284
  - Gear Pump Exploded Diagram
    290
  - Gear Pump Removal and Installation Chart
    290
  - Motor Inspection
    296
  - PTT Motor Assembly
    298
  - Electrical Systems
    300
Chapter 8

304
Electrical Components

304
- Jeho, 30Dwh, 30Deho
  306
Wire Harness

312
- Flywheel Magneto Removal
  316
- Flywheel Magneto Installation
  320
Electrical Analysis

322
- Digital Circuit Tester
  322
- Peak Voltage Adaptor
  322
Ignition System

326
- Peak Voltage Measurement
  322
- Ignition Spark Gap
  328
  - Ignition System Peak Voltage
    330
  - Engine Stop Switch
    332
Ignition Control System

334
- Spark Plug Cap
  332
- Oil Level Gauge
  336
- Pulser Coil
  336
- Thermo Switch
  336
- Oil Level/Engine Temp. Warning Lamp
  338
  - Starting System
    340
  - Fuse
    342
  - Starter Relay
    342
  - Wire Connections
    342
  - Neutral Switch
    344
  - Starter Switch
    344
  - Fuel Enrichment Valve
    346
  - Starter Motor Exploded Diagram
    348
  - Starter Motor Removal and Installation Chart
    348
  - Armature Inspection
    352
  - Pinion Inspection
    352
  - Brush Holder Inspection
    354
  - Rear Bracket Bushing Inspection
    354
  - Charging System
    356
  - Charging System Peak Voltage
    358
  - Power Trim and Tilt (Ptt) Control System
    360
  - Ptt Relay
    362
  - Trim Sensor
    364
  - Trouble Analysis
    366
  - Trouble Analysis Chart
    368

Yamaha 25X Owner's Manual (74 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 2.74 MB

Important Manual Information
3
Table of Contents
4
Safety Information

6
- Outboard Motor Safety
  6
  - Propeller
    6
  - Rotating Parts
    6
  - Hot Parts
    6
  - Electric Shock
    6
  - Engine Shut-Off Cord (Lanyard)
    6
  - Gasoline
    6
  - Gasoline Exposure and Spills
    6
  - Carbon Monoxide
    6
  - Modifications
    7
- Boating Safety
  7
  - Alcohol and Drugs
    7
  - Personal Flotation Devices
    7
  - People in the Water
    7
  - Passengers
    7
  - Overloading
    7
  - Avoid Collisions
    7
  - Weather
    8
  - Passenger Training
    8
  - Boating Safety Publications
    8
  - Laws and Regulations
    8
General Information

9
- Identification Numbers Record
  9
  - Outboard Motor Serial Number
    9
  - Key Number
    9
- EC Declaration of Conformity (Doc)
  9
- CE Marking
  9
- C-Tick Label
  10
- Read Manuals and Labels
  11
  - Warning Labels
    11
Specifications and Requirements

14
- Specifications
  14
- Installation Requirements
  15
  - Boat Horsepower Rating
    15
  - Mounting Motor
    16
- Remote Control Requirements
  16
- Battery Requirements
  16
  - Battery Specifications
    16
  - Mounting Battery
    16
  - Multiple Batteries
    16
  - Without a Rectifier or Rectifier Regulator
    16
- Propeller Selection
  17
- Start-In-Gear Protection
  17
- Engine Oil Requirements
  18
- Fuel Requirements
  18
  - Gasoline
    18
- Muddy or Acidic Water
  18
- Anti-Fouling Paint
  18
- Motor Disposal Requirements
  18
- Emergency Equipment
  19
Components

20
- Components Diagram
  20
  - Fuel Tank
    20
  - Fuel Joint
    21
  - Fuel Gauge
    21
  - Fuel Tank Cap
    21
  - Air Vent Screw
    21
  - Remote Control Box
    21
  - Remote Control Lever
    21
  - Neutral Interlock Trigger
    22
  - Neutral Throttle Lever
    22
  - Choke Switch
    22
  - Tiller Handle
    22
  - Gear Shift Lever
    22
  - Throttle Grip
    23
  - Throttle Indicator
    23
  - Throttle Friction Adjuster
    23
  - Engine Shut-Off Cord (Lanyard) and Clip
    24
  - Engine Stop Button
    24
  - Choke Knob for Pull Type
    25
  - Manual Starter Handle
    25
  - Main Switch
    25
  - Steering Friction Adjuster
    25
  - Trim Tab
    26
  - Trim Rod (Tilt Pin)
    26
  - Shallow Water Lever
    26
  - Tilt Lock Mechanism
    27
  - Tilt Support Knob
    27
  - Top Cowling Lock Lever(S) (Turn Type)
    27
  - 2-Pin Connector
    28
Engine Control System

29
- Alert System
  29
  - Overheat Alert
    29
Installation

30
- Mounting the Outboard Motor
  30
- Clamping the Outboard Motor
  31
Operation

33
- First-Time Operation
  33
  - Breaking in Engine
    33
  - Getting to Know Your Boat
    33
- Checks before Starting Engine
  33
  - Fuel Level
    34
  - Remove Cowling
    34
  - Fuel System
    34
  - Controls
    34
  - Engine Shut-Off Cord (Lanyard)
    35
  - Oil
    35
  - Engine
    35
  - Install Cowling
    35
  - Battery
    36
- Filling Fuel and Engine Oil
  36
  - Filling Fuel for Portable Tank
    36
  - Gasoline and Oil Mixing (100:1)
    36
- Operating Engine
  38
  - Feeding Fuel (Portable Tank)
    38
  - Starting Engine
    39
- Checks after Starting Engine
  44
  - Cooling Water
    44
- Warming up Engine
  44
  - Choke Start Models
    44
- Checks after Engine Warm-Up
  44
  - Shifting
    44
  - Stop Switches
    44
- Stopping Boat
  46
- Stopping Engine
  46
  - Procedure
    46
- Trimming Outboard Motor
  47
  - Adjusting Trim Angle for Manual Tilt Models
    48
  - Adjusting Boat Trim
    48
- Tilting up and down
  49
  - Procedure for Tilting up (Manual Tilt Models)
    50
  - Procedure for Tilting down (Manual Tilt Models)
    51
- Shallow Water
  51
  - Cruising in Shallow Water
    51
  - Tilt Models)
    51
- Cruising in Other Conditions
  52
Maintenance

53
- Transporting and Storing Outboard Motor
  53
  - Clamp Screw Mounting Models
    53
  - Storing Outboard Motor
    53
  - Procedure
    54
  - Lubrication
    55
  - Cleaning the Outboard Motor
    55
  - Checking Painted Surface of Motor
    55
- Periodic Maintenance
  55
  - Replacement Parts
    56
  - Severe Operating Conditions
    56
  - Maintenance Chart 1
    57
  - Maintenance Chart 2
    59
  - Greasing
    60
  - Cleaning and Adjusting Spark Plug
    60
  - Checking Fuel Filter
    61
  - Inspecting Idling Speed
    62
  - Checking Wiring and Connectors
    62
  - Checking Propeller
    62
  - Removing Propeller
    63
  - Installing Propeller
    63
  - Changing Gear Oil
    64
  - Cleaning Fuel Tank
    65
  - Inspecting and Replacing Anode(S)
    66
  - Checking Battery (for Electric Start Models)
    66
  - Connecting the Battery
    67
  - Disconnecting the Battery
    67
Trouble Recovery

68
- Troubleshooting
  68
- Temporary Action in Emergency
  71
  - Impact Damage
    71
  - Replacing Fuse
    71
  - Starter will Not Operate
    72
  - Emergency Starting Engine
    72
- Treatment of Submerged Motor
  73

Yamaha 25X Owner's Manual (74 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 3.63 MB

Important Manual Information
3
Table of Contents
4
Safety Information

7
- Outboard Motor Safety
  7
  - Propeller
    7
  - Rotating Parts
    7
  - Hot Parts
    7
  - Electric Shock
    7
  - Engine Shut-Off Cord (Lanyard)
    7
  - Gasoline
    7
  - Gasoline Exposure and Spills
    7
  - Carbon Monoxide
    7
  - 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
  - Passenger Training
    9
  - Boating Safety Publications
    9
  - Laws and Regulations
    9
General Information

10
- Identification Numbers Record
  10
  - Outboard Motor Serial Number
    10
  - Key Number
    10
- EC Declaration of Conformity (Doc)
  10
- CE Marking
  10
- C-Tick Label
  11
- Read Manuals and Labels
  12
  - Warning Labels
    12
Specifications and Requirements

15
- Specifications
  15
- Installation Requirements
  16
  - Boat Horsepower Rating
    16
  - Mounting Motor
    16
- Remote Control Requirements
  17
- Battery Requirements
  17
  - Battery Specifications
    17
  - Mounting Battery
    17
  - Multiple Batteries
    17
  - Without a Rectifier or Rectifier Regulator
    17
- Propeller Selection
  17
- Start-In-Gear Protection
  18
- Engine Oil Requirements
  18
- Fuel Requirements
  18
  - Gasoline
    18
- Muddy or Acidic Water
  19
- Anti-Fouling Paint
  19
- Motor Disposal Requirements
  19
- Emergency Equipment
  19
Components

20
- Components Diagram
  20
  - Fuel Tank
    20
  - Fuel Joint
    21
  - Fuel Gauge
    21
  - Fuel Tank Cap
    21
  - Air Vent Screw
    21
  - Remote Control Box
    21
  - Remote Control Lever
    21
  - Neutral Interlock Trigger
    22
  - Neutral Throttle Lever
    22
  - Choke Switch
    22
  - Tiller Handle
    22
  - Gear Shift Lever
    23
  - Throttle Grip
    23
  - Throttle Indicator
    23
  - Throttle Friction Adjuster
    23
  - Engine Shut-Off Cord (Lanyard) and Clip
    24
  - Engine Stop Button
    24
  - Choke Knob for Pull Type
    25
  - Manual Starter Handle
    25
  - Main Switch
    25
  - Steering Friction Adjuster
    25
  - Trim Tab
    26
  - Trim Rod (Tilt Pin)
    26
  - Shallow Water Lever
    26
  - Tilt Lock Mechanism
    27
  - Tilt Support Knob
    27
  - Cowling Lock Lever(S) (Turn Type)
    27
  - 2-Pin Connector
    28
  - Battery Charging Information
    28
Engine Control System

29
- Alert System
  29
  - Overheat Alert
    29
Installation

30
- Mounting the Outboard Motor
  30
- Clamping the Outboard Motor
  31
Operation

33
- First-Time Operation
  33
  - Breaking in Engine
    33
  - Getting to Know Your Boat
    33
- Checks before Starting Engine
  33
  - Fuel Level
    34
  - Remove the Top Cowling
    34
  - Fuel System
    34
  - Controls
    34
  - Engine Shut-Off Cord (Lanyard)
    35
  - Oil
    35
  - Engine
    35
  - Install Top Cowling
    35
  - Battery
    36
- Filling Fuel and Engine Oil
  36
  - Filling Fuel for Portable Tank
    36
  - Gasoline and Oil Mixing (100:1)
    37
- Operating Engine
  38
  - Sending Fuel (Portable Tank)
    38
  - Starting Engine
    39
- Checks after Starting Engine
  44
  - Cooling Water
    44
- Warming up Engine
  44
  - Choke Start Models
    44
- Checks after Engine Warm up
  44
  - Shifting
    44
  - Stop Switches
    44
- Stopping Boat
  46
- Stopping Engine
  46
  - Procedure
    46
- Trimming Outboard Motor
  47
  - Adjusting Trim Angle for Manual Tilt Models
    48
  - Adjusting Boat Trim
    48
- Tilting up and down
  49
- Shallow Water
  51
  - Cruising in Shallow Water (Manual Tilt Models)
    51
- Cruising in Other Conditions
  52
Maintenance

53
- Transporting and Storing Outboard Motor
  53
  - Clamp Screw Mounting Models
    53
  - Storing Outboard Motor
    54
  - Procedure
    54
  - Lubrication
    55
  - Cleaning the Outboard Motor
    55
  - Checking Painted Surface of Outboard Motor
    55
- Periodic Maintenance
  55
  - Replacement Parts
    56
  - Severe Operating Conditions
    56
  - Maintenance Chart 1
    57
  - Maintenance Chart 2
    59
  - Greasing
    60
  - Cleaning and Adjusting Spark Plug
    60
  - Checking Fuel Filter
    61
  - Inspecting Idle Speed
    61
  - Inspecting Wiring and Connectors
    62
  - Checking Propeller
    62
  - Removing Propeller
    63
  - Installing Propeller
    63
  - Changing Gear Oil
    64
  - Cleaning Fuel Tank
    65
  - Inspecting and Replacing Anode(S)
    65
  - Checking Battery (for Electric Start Models)
    66
  - Connecting the Battery
    66
  - Disconnecting the Battery
    67
Trouble Recovery

68
- Troubleshooting
  68
- Temporary Action in Emergency
  71
  - Impact Damage
    71
  - Replacing Fuse
    71
  - Starter will Not Operate
    72
  - Treatment of Submerged Motor
    73

Yamaha 25X Owner's Manual (70 pages)

Yamaha outboard motor

Brand: Yamaha | Category: Outboard Motor | Size: 2.74 MB

Important Manual Information
3
Table of Contents
4
General Information

6
- Identification Numbers Record
  6
  - Outboard Motor Serial Number
    6
  - Key Number
    6
- EC Label
  6
- C-Tick Label
  7
- Important Labels
  7
  - Warning Labels
    7
  - Caution Labels
    8
Safety Information

9
- Rotating Parts
  9
- Hot Parts
  9
- Electric Shock
  9
- Engine Shut-Off Cord
  9
- Gasoline
  9
- Gasoline Exposure and Spills
  9
- Carbon Monoxide
  9
- Modifications
  9
- Boating Safety
  10
  - Alcohol and Drugs
    10
  - Personal Flotation Devices
    10
  - People in the Water
    10
  - Passengers
    10
  - Overloading
    10
  - Avoid Collisions
    10
  - Weather
    11
  - Passenger Training
    11
  - Boating Safety Publications
    11
  - Laws and Regulations
    11
Basic Requirements

12
- Fueling Instructions
  12
  - Gasoline
    12
  - Engine Oil
    12
- Installation Requirements
  12
  - Boat Horsepower Rating
    12
  - Mounting Motor
    12
  - Remote Control Requirements
    13
  - Battery Requirement
    13
  - Propeller Selection
    13
- Start-In-Gear Protection
  14
Basic Components

15
- Main Components
  15
  - Fuel Tank
    15
  - Fuel Joint
    16
  - Fuel Gauge
    16
  - Fuel Tank Cap
    16
  - Air Vent Screw
    16
  - Remote Control
    16
  - Remote Control Lever
    16
  - Neutral Interlock Trigger
    17
  - Neutral Throttle Lever
    17
  - Choke Switch
    17
  - Tiller Handle
    17
  - Gear Shift Lever
    18
  - Throttle Grip
    18
  - Throttle Indicator
    18
  - Throttle Friction Adjuster
    18
  - Engine Shut-Off Switch
    19
  - Engine Stop Button
    20
  - Choke Knob for Pull Type
    20
  - Manual Starter Handle
    20
  - Main Switch
    20
  - Steering Friction Adjuster
    20
  - Trim Tab
    21
  - Trim Rod (Tilt Pin)
    21
  - Shallow Water Lever
    21
  - Tilt Lock Mechanism
    22
  - Tilt Support Knob
    22
  - Top Cowling Lock Lever(S) (Turn Type)
    22
  - 2-Pin Connector
    23
- Warning System
  23
  - Overheat Warning
    23
Operation

24
- Installation
  24
  - Mounting the Outboard Motor
    24
  - Clamping the Outboard Motor
    25
- Breaking in Engine
  26
  - Gasoline and Engine Oil Mixing Chart (25:1)
    26
  - Procedure for Pre-Mixed Models
    26
- Pre-Operation Checks
  27
  - Fuel
    27
  - Oil
    27
  - Controls
    27
  - Stop Switches
    27
  - Engine
    27
- Filling Fuel and Engine Oil
  27
  - Filling Fuel for Portable Tank
    27
  - Gasoline and Oil Mixing (100:1)
    28
- Operating Engine
  29
  - Feeding Fuel (Portable Tank)
    29
  - Starting Engine
    30
- Warming up Engine
  35
  - Choke Start Models
    35
- Shifting
  35
- Stopping Boat
  37
- Stopping Engine
  37
  - Procedure
    37
- Trimming Outboard Motor
  38
- Tilting up and down
  40
  - Procedure for Tilting up (Manual Tilt Models)
    41
  - Procedure for Tilting down (Manual Tilt Models)
    42
- Cruising in Shallow Water
  42
  - Cruising in Shallow Water (Manual Tilt Models)
    42
- Cruising in Other Conditions
  43
Maintenance

44
- Specifications
  44
- Transporting and Storing Outboard Motor
  45
  - Clamp Screw Mounting Models
    46
  - Storing Outboard Motor
    46
  - Procedure
    47
  - Lubrication
    48
  - Battery Care
    48
  - Cleaning the Outboard Motor
    49
  - Checking Painted Surface of Motor
    49
- Periodic Maintenance
  49
  - Replacement Parts
    49
  - Maintenance Chart
    50
  - Maintenance Chart (Additional)
    51
  - Greasing
    52
  - Cleaning and Adjusting Spark Plug
    52
  - Checking Fuel System
    53
  - Inspecting Fuel Filter
    54
  - Cleaning Fuel Filter
    54
  - Inspecting Idling Speed
    55
  - Checking Wiring and Connectors
    55
  - Exhaust Leakage
    56
  - Water Leakage
    56
  - Checking Propeller
    56
  - Removing Propeller
    57
  - Installing Propeller
    57
  - Changing Gear Oil
    57
  - Cleaning Fuel Tank
    58
  - Inspecting and Replacing Anode(S)
    59
  - Checking Battery (for Electric Start Models)
    59
  - Connecting the Battery
    60
  - Disconnecting the Battery
    61
  - Checking Top Cowling
    61
  - Coating the Boat Bottom
    61
Trouble Recovery

62
- Troubleshooting
  62
- Temporary Action in Emergency
  65
  - Impact Damage
    65
  - Replacing Fuse
    65
  - Starter will Not Operate
    66
  - Emergency Starting Engine
    66
- Treatment of Submerged Motor
  67
  - Procedure
    67

Yamaha 25X Owner's Manual (132 pages)

Yamaha Outboards

Brand: Yamaha | Category: Outboard Motor | Size: 18.76 MB

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Table of Contents

Identification

Chapter 1

Safety While Working

Special Tools

Chapter 2

General Specifications

Maintenance Specifications

Caracteristiques D'entretien

Daten

Wartungdaten

Especificaciones de Mantenimiento

Tightening Torque

Torsión de Apriete

General Tightening Torque

Torsiones de Apriete

Predelivery Service

Chapter 3

Periodic Service

Exploded Diagram

CHAPTER 5 Preparation for Overhaul

Removal

Disassembly

Inspection

Assembly and Adjustment

Installation

Preparation for Removal

Disassembly

Inspection

Assembly and Adjustment

Clamp Bracket (Except Ptt Model)

Clamp Bracket (Ptt Model)

Chapter 8

Electrical Components

Wire Harness

Electrical Analysis

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General Information

Specifications and Requirements

Components

Engine Control System

Installation

Operation

Maintenance

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