YAMAHA LF225C Manuals

Manuals and User Guides for YAMAHA LF225C. We have 3 YAMAHA LF225C manuals available for free PDF download: Service Manual, Owner's Manual

Yamaha LF225C Service Manual (323 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 11.71 MB

Gen Info General Information

4
- Important Information
  2
- Table of Contents
  4
- General Information
  4
- How to Use this Manual
  
  6
  - Manual Format
    6
  - Specifications
    6
  - Symbols
    7
- Safety While Working
  
  8
  - Fire Prevention
    8
  - Ventilation
    8
  - Self-Protection
    8
  - Parts, Lubricants, and Sealants
    8
  - Good Working Practices
    9
  - Disassembly and Assembly
    9
- Identification
  
  9
  - Applicable Models
    9
  - Serial Number
    9
  - General Information
    10
- Features and Benefits
  
  11
  - Newly Developed V6 4-Stroke Engine
    11
  - Valve Train System
    14
  - Intake System
    16
  - Exhaust System
    16
  - Fuel System
    18
  - PTT (Power Trim and Tilt) Unit
    22
- Technical Tips
  
  23
  - Fuel Injection Control
    23
  - Fail-Safe Function Table
    25
  - PTT (Power Trim and Tilt) Unit
    26
  - Cooling System
    31
  - Lubrication System
    31
- Propeller Selection
  
  32
  - Propeller Size
    32
  - Selection
    32
- Predelivery Checks
  
  33
Spec Specifications

37
- General Specifications
  
  38
- Maintenance Specifications
  
  40
  - Power Unit
    40
  - Lower Unit
    43
  - Electrical
    44
  - Dimensions
    48
- Tightening Torques
  
  51
  - Specified Torques
    51
  - General Torques
    54
Chk Adj/Chk Adj

55
- Chk Adj
  
  56
- Special Service Tools
  
  56
- Periodic Checks and Adjustments
  
  56
- Maintenance Interval Chart
  
  57
- Top Cowling
  
  59
  - Checking the Top Cowling
    59
- Fuel System
  
  59
- Power Unit
  
  60
- Control System
  
  64
- Power Trim and Tilt Unit
  
  70
  - Checking the Power Trim and Tilt Operation
    70
  - Checking the Power Trim and Tilt Fluid Level
    71
- Lower Unit
  
  71
- General
  
  73
  - Checking the Anodes
    73
  - Checking the Battery
    74
  - Lubrication
    75
Fuel Fuel System

77
- Special Service Tools
  
  78
- Fuel System
  
  78
- Hose Routing
  
  79
  - Fuel and Blowby Hoses
    79
- Intake Silencer, Fuel Filter, and Fuel Pump
  
  80
- Vapor Separator
  
  82
  - Removing the Hose Clamps
    84
  - Installing the Hose Clamps
    84
  - Checking the Check Valve
    84
  - Reducing the Fuel Pressure
    84
  - Checking the Vapor Separator
    85
- Intake Manifold and High-Pressure Fuel Line
  
  86
- Throttle Control
  
  90
Powr Power Unit

98
- Special Service Tools
  
  100
- Power Unit
  
  102
  - Checking the Compression Pressure
    113
  - Checking the Oil Pressure
    113
  - Checking the Oil Pressure Sensor
    114
  - Checking the Valve Clearance
    114
  - Replacing the Timing Belt
    120
  - Removing the Power Unit
    122
  - Removing the Oil Filter
    124
  - Removing the Timing Belt and Sprockets
    124
  - Checking the Timing Belt and Sprockets
    125
  - Installing the Sprockets and Timing Belt
    126
- Cylinder Head
  
  128
  - Removing the Cylinder Head
    132
  - Checking the Valve Springs
    133
  - Checking the Valves
    133
  - Checking the Valve Guides
    134
  - Replacing the Valve Guides
    134
  - Checking the Valve Seat
    135
  - Refacing the Valve Seat
    135
  - Checking the Camshaft
    137
  - Checking the Timing Chain Tensioner
    138
  - Checking the Timing Chain
    138
  - Checking the Cylinder Head
    138
  - Installing the Valves
    139
  - Installing the Cylinder Head
    140
- Cylinder Block
  
  142
  - Disassembling the Cylinder Block
    146
  - Checking the Piston Diameter
    146
  - Checking the Cylinder Bore
    147
  - Checking the Piston Clearance
    147
  - Checking the Piston Rings
    147
  - Checking the Piston Ring Grooves
    148
  - Checking the Piston Ring Side Clearance
    148
  - Checking the Piston Pin Boss Bore
    148
  - Checking the Piston Pin
    149
  - Checking the Connecting Rod Small End Inside Diameter
    149
  - Checking the Connecting Rod Big End Side Clearance
    149
  - Checking the Crankshaft
    149
  - Checking the Crankpin Oil Clearance
    150
  - Selecting the Connecting Rod Bearing
    151
  - Checking the Crankshaft Main Journal Oil Clearance
    152
  - Selecting the Crankshaft Main Bearing
    153
  - Disassembling the Oil Pump
    154
  - Checking the Oil Pump
    154
  - Assembling the Oil Pump
    154
  - Assembling the Piston and Cylinder Block
    155
  - Checking the Thermostat
    159
  - Installing the Power Unit
    159
Lowr Lower Unit

162
- Special Service Tools
  
  164
- Lower Unit
  
  164
- Lower Unit (Regular Rotation Model)
  
  166
- Propeller Shaft Housing (Regular Rotation Model)
  
  172
- Drive Shaft and Lower Case (Regular Rotation Model)
  
  178
  - Removing the Drive Shaft
    180
  - Disassembling the Drive Shaft Housing
    180
  - Disassembling the Forward Gear
    180
  - Disassembling the Lower Case
    180
  - Checking the Pinion and Forward Gear
    181
  - Checking the Bearings
    181
  - Checking the Drive Shaft
    181
  - Checking the Lower Case
    181
  - Assembling the Lower Case
    181
  - Assembling the Forward Gear
    182
  - Assembling the Drive Shaft Housing
    182
  - Installing the Drive Shaft
    182
  - Installing the Propeller Shaft Housing
    183
  - Installing the Water Pump and Shift Rod
    183
  - Installing the Lower Unit
    185
- Shimming (Regular Rotation Model)
  
  187
  - Shimming
    188
  - Selecting the Pinion Shims
    188
  - Selecting the Forward Gear Shims
    189
  - Selecting the Reverse Gear Shims
    190
- Backlash (Regular Rotation Model)
  
  191
  - Measuring the Forward and Reverse Gear Backlash
    191
- Lower Unit (Counter Rotation Model)
  
  192
- Propeller Shaft Housing (Counter Rotation Model)
  
  198
- Drive Shaft and Lower Case (Counter Rotation Model)
  
  204
  - Removing the Drive Shaft
    206
  - Disassembling the Drive Shaft Housing
    206
  - Disassembling the Reverse Gear
    206
  - Disassembling the Lower Case
    206
  - Checking the Pinion and Reverse Gear
    207
  - Checking the Bearings
    207
  - Checking the Drive Shaft
    207
  - Checking the Lower Case
    207
  - Assembling the Lower Case
    207
  - Assembling the Drive Shaft Housing
    208
  - Installing the Drive Shaft
    209
  - Installing the Propeller Shaft Housing
    209
  - Installing the Water Pump and Shift Rod
    210
  - Installing the Lower Unit
    211
- Shimming (Counter Rotation Model)
  
  213
  - Shimming
    214
  - Selecting the Pinion Shims
    214
  - Selecting the Reverse Gear Shims
    215
  - Selecting the Forward Gear Shims
    215
  - Selecting the Propeller Shaft Shims
    217
- Backlash (Counter Rotation Model)
  
  219
Brkt Bracket Unit

220
- Special Service Tools
  
  222
- Bottom Cowling
  
  224
- Upper Case, Steering Arm, Swivel Bracket and Clamp Brackets
  
  228
  - Draining the Engine Oil
    234
  - Disassembling the Oil Pan
    234
  - Checking the Oil Strainer
    234
  - Assembling the Oil Pan
    234
  - Removing the Steering Arm
    236
  - Installing the Steering Arm
    237
  - Installing the Upper Case
    238
  - Removing the Power Trim and Tilt Unit
    238
  - Removing the Clamp Brackets
    239
  - Installing the Clamp Brackets
    239
  - Installing the Power Trim and Tilt Unit
    239
  - Adjusting the Trim Sensor
    240
- Power Trim and Tilt Unit
  
  242
  - Disassembling the Power Trim and Tilt Motor
    248
  - Checking the Power Trim and Tilt Motor
    248
  - Assembling the Power Trim and Tilt Motor
    249
  - Checking the Hydraulic Pressure
    250
  - Disassembling the Gear Pump
    252
  - Disassembling the Tilt Cylinder and Trim Cylinders
    253
  - Checking the Reservoir
    255
  - Checking the Tilt Cylinder and Trim Cylinder
    255
  - Checking the Valves
    255
  - Checking the Filters
    256
  - Checking the Gear Pump
    256
  - Checking the Gear Pump Housing
    256
  - Assembling the Gear Pump
    256
  - Assembling the Tilt Ram
    257
  - Assembling the Trim Rams
    258
  - Installing the Tilt Cylinder
    259
  - Installing the Trim Rams
    259
  - Installing the Power Trim and Tilt Motor
    260
  - Installing the Reservoir
    261
  - Installing the Tilt Ram
    261
- Bleeding the Power Trim and Tilt Unit
  
  262
  - Not Installed
    262
  - Built-In
    263
- Power Trim and Tilt Electrical System
  
  264
  - Checking the Fuse
    265
  - Checking the Power Trim and Tilt Relay
    265
  - Checking the Power Trim and Tilt Switch
    266
  - Checking the Trim Sensor
    266
Elec Electrical Systems

267
- Electrical Systems
  
  268
- Special Service Tools
  
  268
  - Troubleshooting
    269
- Checking the Electrical Components
  
  269
  - Measuring the Peak Voltage
    269
  - Measuring the Lower Resistance
    269
- Electrical Components
  
  270
  - Starboard and Rear Views
    270
  - Port View
    271
  - Front View
    272
  - Top View
    273
- Wiring Harness
  
  274
- Ignition and Ignition Control System
  
  277
  - Checking the Ignition Spark Gap
    278
  - Checking the Ignition Coil
    278
  - Checking the ECM
    279
  - Checking the Pulser Coil
    279
  - Checking the Throttle Position Sensor
    279
  - Checking the Intake Air Temperature Sensor
    280
  - Checking the Engine Temperature Sensor
    280
  - Checking the Thermoswitch
    281
  - Checking the Shift Cut Switch
    281
  - Checking the Neutral Switch
    281
  - Checking the Main Relay
    282
- Fuel Control System
  
  283
  - Checking the Low-Pressure Fuel Pump and High-Pressure Fuel Pump
    285
- Starting System
  
  286
  - Checking the Fuse
    287
  - Checking the Wiring Harness (10 Pins)
    287
  - Checking the Starter Relay
    287
- Starter Motor
  
  288
  - Removing the Starter Motor Pinion
    290
  - Checking the Starter Motor Pinion
    290
  - Checking the Armature
    290
  - Checking the Brushes
    291
  - Checking the Magnet Switch
    291
  - Checking the Starter Motor Operation
    291
- Charging System
  
  292
  - Checking the Stator Coil
    293
  - Checking the Rectifier Regulator
    293
  - Trbl Shtg
    296
  - Troubleshooting
    296
  - Special Service Tools
    296
  - Yamaha Diagnostic System
    296
  - Power Unit
    300
  - Bracket Unit
    309
  - Electrical Systems
    313
  - Self-Diagnosis
    314
  - Diagnosing the Electronic Control System
    314

YAMAHA LF225C Owner's Manual (122 pages)

Outboard Motor F200B; LF200B; F225B; LF225B

Brand: YAMAHA | Category: Outboard Motor | Size: 6.93 MB

Table of Contents

5
- General Information
  7
- Chapter 1 IDENTIFICATION NUMBERS RECORD
  8
- Outboard Motor Serial Number
  8
  - Key Number
    8
- Emission Control Information
  9
  - North American Models
    9
  - Star Labels
    10
- Safety Information
  11
- Important Labels
  13
  - Warning Labels
    13
- BASIC BOATING RULES (Rules of the Road)
  14
- Fueling Instructions
  18
- Gasoline
  18
  - Gasoline
    19
- Engine Oil
  20
- Battery Requirement
  21
- Propeller Selection
  22
- Start-In-Gear Protection
  23
Chapter 2 Basic Components 2

25
- Basic Components
  25
- Main Components
  26
- Operations of Controls and Other Functions
  27
  - Remote Control
    27
  - Trim Tab
    33
  - Power Trim/Tilt Switch
    34
  - Digital Tachometer
    35
  - Digital Speedometer
    38
  - Fuel Management Meter
    41
  - Tilt Support Lever
    44
  - Top Cowling Lock Levers
    45
  - Flushing Device
    45
- Warning System
  46
  - Overheat Warning
    46
  - Low Oil Pressure Warning
    47
Chapter 3 Operation

49
- Operation
  49
- Installation
  50
- Breaking in (Running In) Engine
  51
- Pre-Operation Checks
  52
  - Checking the Engine Oil Level
    53
  - Filling Fuel
    53
- Starting Engine
  54
  - Procedure for Remote Control Model
    55
- Checking Points after Starting Engine
  57
- Warming up Engine
  57
- Shifting
  58
  - Forward
    58
  - Reverse
    58
- Stopping Engine
  59
- Trimming Outboard Motor
  60
  - Adjusting Trim Angle
    61
- Tilting Up/Down
  63
  - Procedure for Tilting up
    64
  - Procedure for Tilting down
    65
- Cruising in Other Conditions
  66
  - Cruising in Salt Water
    66
- Maintenance
  67
  - Specifications
    68
  - Storing Outboard Motor
    70
  - Trailering Outboard Motor
    70
  - Periodic Maintenance
    77
  - Replacement Parts
    77
  - Maintenance Chart
    78
  - Checking Fuel System
    83
  - Inspecting Fuel Filter
    84
  - Changing Engine Oil
    86
  - Replacing Fuse
    89
  - Checking Wiring and Connectors
    90
  - Exhaust Leakage
    90
  - Water Leakage
    90
  - Engine Oil Leakage
    90
  - Checking Propeller
    92
  - Changing Gear Oil
    94
  - Inspecting and Replacing Anode(S)
    95
  - Checking Battery
    96
  - For Electric Start Models
    96
  - Checking Bolts and Nuts
    99
  - Cleaning Cooling-Water Passages
    100
  - Checking Top Cowling
    101
  - Motor Exterior
    101
  - Coating the Boat Bottom
    101
Chapter 5 Trouble Recovery

103
- Trouble Recovery
  103
- Troubleshooting
  104
- Temporary Action in Emergency
  107
  - Impact Damage
    107
  - Running Single Engine
    107
  - Power Trim/Tilt will Not Operate
    108
  - Treatment of Submerged Motor
    109
- Index
  111

YAMAHA LF225C Owner's Manual (117 pages)

Outboard Motor F200C; LF200C; F225C; LF225C

Brand: YAMAHA | Category: Outboard Motor | Size: 6.96 MB

Table of Contents

4
- General Information
  5
- Chapter 1 IDENTIFICATION NUMBERS RECORD
  6
- Key Number
  6
- Outboard Motor Serial Number
  6
- Emission Control Information
  7
  - North American Models
    7
  - Star Labels
    8
- Safety Information
  9
- Important Labels
  11
  - Warning Labels
    11
- BASIC BOATING RULES (Rules of the Road)
  12
- Fueling Instructions
  16
- Gasoline
  16
  - Gasoline
    17
- Engine Oil
  18
- Battery Requirement
  19
- Propeller Selection
  20
- Start-In-Gear Protection
  21
Chapter 2 Basic Components 2

23
- Basic Components
  23
- Main Components
  24
- Operations of Controls and Other Functions
  25
  - Remote Control
    25
  - Trim Tab
    31
  - Power Trim/Tilt Switch
    32
  - Digital Tachometer
    33
  - Digital Speedometer
    36
  - Fuel Management Meter
    39
  - Tilt Support Lever
    42
  - Top Cowling Lock Levers
    43
  - Flushing Device
    43
- Warning System
  44
  - Overheat Warning
    44
  - Low Oil Pressure Warning
    45
Chapter 3 Operation

47
- Operation
  47
- Installation
  48
- Breaking in (Running In) Engine
  49
- Pre-Operation Checks
  50
  - Checking the Engine Oil Level
    51
  - Filling Fuel
    51
- Starting Engine
  52
  - Procedure for Remote Control Model
    53
- Checking Points after Starting Engine
  55
- Warming up Engine
  55
- Shifting
  56
  - Forward
    56
  - Reverse
    56
- Stopping Engine
  57
- Trimming Outboard Motor
  58
  - Adjusting Trim Angle
    59
- Tilting Up/Down
  61
  - Procedure for Tilting up
    62
  - Procedure for Tilting down
    63
- Cruising in Other Conditions
  64
  - Cruising in Salt Water
    64
- Maintenance
  65
  - Specifications
    66
  - Storing Outboard Motor
    68
  - Trailering Outboard Motor
    68
  - Periodic Maintenance
    75
  - Replacement Parts
    75
  - Maintenance Chart
    76
  - Cleaning and Adjusting Spark Plug
    78
  - Checking Fuel System
    80
  - Inspecting Fuel Filter
    81
  - Changing Engine Oil
    83
  - Replacing Fuse
    86
  - Exhaust Leakage
    87
  - Water Leakage
    87
  - Engine Oil Leakage
    87
  - Checking Power Trim and Tilt System
    88
  - Checking Propeller
    89
  - Changing Gear Oil
    91
  - Inspecting and Replacing Anode(S)
    92
  - Checking Battery
    93
  - For Electric Start Models
    93
  - Checking Bolts and Nuts
    96
  - Checking Top Cowling
    98
  - Motor Exterior
    98
  - Coating the Boat Bottom
    98
Chapter 5 Trouble Recovery

99
- Trouble Recovery
  99
- Troubleshooting
  100
- Temporary Action in Emergency
  103
  - Impact Damage
    103
  - Running Single Engine
    103
  - Power Trim/Tilt will Not Operate
    104
  - Treatment of Submerged Motor
    105
- Index
  107

YAMAHA Categories

Motorcycle Musical Instrument Electronic Keyboard Receiver Amplifier

More YAMAHA Manuals

YAMAHA LF225C Manuals

Yamaha LF225C Service Manual (323 pages)

Table of Contents

Gen Info General Information

How to Use this Manual

Safety While Working

Identification

Features and Benefits

Technical Tips

Propeller Selection

Predelivery Checks

Spec Specifications

General Specifications

Maintenance Specifications

Tightening Torques

Chk Adj/Chk Adj

Chk Adj

Special Service Tools

Periodic Checks and Adjustments

Maintenance Interval Chart

Top Cowling

Fuel System

Power Unit

Control System

Power Trim and Tilt Unit

Lower Unit

General

Fuel Fuel System

Special Service Tools

Fuel System

Hose Routing

Intake Silencer, Fuel Filter, and Fuel Pump

Vapor Separator

Intake Manifold and High-Pressure Fuel Line

Throttle Control

Powr Power Unit

Special Service Tools

Power Unit

Cylinder Head

Cylinder Block

Lowr Lower Unit

Special Service Tools

Lower Unit

Lower Unit (Regular Rotation Model)

Propeller Shaft Housing (Regular Rotation Model)

Drive Shaft and Lower Case (Regular Rotation Model)

Shimming (Regular Rotation Model)

Backlash (Regular Rotation Model)

Lower Unit (Counter Rotation Model)

Propeller Shaft Housing (Counter Rotation Model)

Drive Shaft and Lower Case (Counter Rotation Model)

Shimming (Counter Rotation Model)

Backlash (Counter Rotation Model)

Brkt Bracket Unit

Special Service Tools

Bottom Cowling

Upper Case, Steering Arm, Swivel Bracket and Clamp Brackets

Power Trim and Tilt Unit

Bleeding the Power Trim and Tilt Unit

Power Trim and Tilt Electrical System

Elec Electrical Systems

Electrical Systems

Special Service Tools

Checking the Electrical Components

Electrical Components

Wiring Harness

Ignition and Ignition Control System

Fuel Control System

Starting System

Starter Motor

Charging System

YAMAHA LF225C Owner's Manual (122 pages)

Table of Contents

Table of Contents

Chapter 2 Basic Components 2

Chapter 3 Operation

Chapter 5 Trouble Recovery

YAMAHA LF225C Owner's Manual (117 pages)

Table of Contents

Table of Contents