Yamaha FT50G Manuals

Manuals and User Guides for Yamaha FT50G. We have 5 Yamaha FT50G manuals available for free PDF download: Service Manual, Owner's Manual

Yamaha FT50G Service Manual

Yamaha FT50G Service Manual (305 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 21.27 MB

Table of Contents

Gen Info General Information

5
- Important Information
  2
- General Information
  
  5
  - Table of Contents
    5
- How to Use this Manual
  
  6
  - Manual Format
    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
    10
- Outline of Features
  
  11
- Features and Benefits
  
  12
  - Fuel System
    12
  - Solenoid Valve
    13
  - Electronic Control System
    14
  - ECM (Electric Control Module)
    15
  - Variable Trolling RPM Switch (Optional)
    16
- Propeller Selection
  
  17
  - Propeller Size
    17
  - Selection
    17
- Predelivery Checks
  
  18
Spec Specifications

23
- General Specifications
  
  24
- Specifications
  
  24
- Maintenance Specification
  
  28
  - Power Unit
    28
  - Lower Unit
    31
  - Electrical
    32
  - Power Unit
    34
  - Lower Unit
    37
  - Electrical
    38
  - Dimensions
    40
- Tightening Torques
  
  44
  - Specified Torques
    44
  - General Torques
    47
Chk Adj/Chk Adj

49
- Chk Adj
  
  50
- Special Service Tools
  
  50
- Periodic Checks and Adjustments
  
  50
- Maintenance Interval Chart
  
  51
- Top Cowling
  
  52
  - Checking the Top Cowling
    52
- Fuel System
  
  52
  - Checking the Fuel Joint and Fuel Hoses (Fuel Joint-To-Fuel Injector)
    52
  - Checking the Fuel Filter
    52
- Power Unit
  
  52
- Control System
  
  59
- Bracket Unit
  
  62
- Lower Unit
  
  63
- General
  
  65
  - Checking the Anodes
    65
  - Checking the Battery
    66
  - Lubricating the Outboard Motor
    67
Fuel Fuel System

69
- Special Service Tools
  
  70
- Fuel System
  
  70
- Hose Routing
  
  71
  - Fuel and Blowby Hoses
    71
  - Cooling Water Pilot Hoses
    72
- Fuel Filter and Fuel Pump
  
  73
  - Checking the Fuel Pump
    75
  - Disassembling the Fuel Pump
    75
  - Checking the Diaphragm and Valves
    76
  - Assembling the Fuel Pump
    76
  - Checking the Fuel Joint
    76
- Intake Manifold
  
  77
- Vapor Separator
  
  83
Powr Power Unit

90
- Special Service Tools
  
  92
- Power Unit
  
  92
- Power Unit
  
  94
- Cylinder Head
  
  110
  - Removing the Cylinder Head
    114
  - Checking the Valve Springs
    115
  - Checking the Valves
    115
  - Checking the Valve Guides
    116
  - Replacing the Valve Guides
    116
  - Checking the Valve Seat
    117
  - Refacing the Valve Seat
    118
  - Checking the Rocker Arms and Rocker Arm Shaft
    120
  - Checking the Camshaft
    120
  - Checking the Cylinder Head
    121
  - Checking the Oil Pump
    122
  - Installing the Valves
    122
  - Installing the Camshaft
    123
  - Installing the Rocker Arm Shaft Assembly
    123
  - Installing the Oil Pump
    124
  - Installing the Cylinder Head
    125
- Exhaust Cover
  
  126
- Cylinder Block
  
  128
  - Disassembling the Cylinder Block
    129
  - Checking the Piston Diameter
    130
  - Checking the Cylinder Bore
    130
  - Checking the Piston Clearance
    130
  - Checking the Piston Rings
    130
  - Checking the Piston Ring Grooves
    131
  - Checking the Piston Ring Side Clearance
    132
  - Checking the Piston Pin Boss Bore
    132
  - Checking the Piston Pin
    132
  - Checking the Connecting Rod Small End Inside Diameter
    132
  - Checking the Connecting Rod Big End Side Clearance
    132
  - Checking the Crankshaft
    133
  - Checking the Crankpin Oil Clearance
    133
  - Selecting the Connecting Rod Bearing
    134
  - Checking the Crankshaft Journal Oil Clearance
    135
  - Selecting the Main Bearings
    136
  - Assembling the Power Unit
    137
  - Installing the Power Unit
    140
Lowr Lower Unit

142
- Special Service Tools
  
  144
- Lower Unit
  
  144
- Lower Unit (F50, F60)
  
  148
  - Removing the Lower Unit
    150
  - Removing the Water Pump
    150
  - Checking the Water Pump
    150
- Propeller Shaft Housing (F50, F60)
  
  151
- Drive Shaft and Lower Case (F50, F60)
  
  157
  - Removing the Drive Shaft
    157
  - Disassembling the Drive Shaft
    157
  - Disassembling the Forward Gear
    157
  - Disassembling the Oil Seal Housing
    157
  - Disassembling the Lower Case
    158
  - Checking the Shift Rod and Shift Cam
    158
  - Checking the Pinion and Forward Gear
    158
  - Checking the Bearings
    158
  - Checking the Drive Shaft
    158
  - Checking the Lower Case
    159
  - Assembling the Oil Seal Housing
    159
  - Assembling the Lower Case
    159
  - Assembling the Forward Gear
    160
  - Assembling the Drive Shaft
    160
  - Installing the Pinion
    160
  - Installing the Oil Seal Housing
    161
  - Installing the Propeller Shaft Housing
    161
  - Installing the Water Pump
    162
  - Installing the Lower Unit
    162
- Shimming (F50, F60)
  
  165
  - Shimming
    166
  - Selecting the Pinion Shims
    166
  - Selecting the Forward Gear Shims
    167
  - Selecting the Reverse Gear Shims
    168
- Backlash (F50, F60)
  
  168
  - Measuring the Forward and Reverse Gear Backlash
    168
- Lower Unit (FT50, FT60)
  
  170
- Propeller Shaft Housing (FT50, FT60)
  
  177
- Drive Shaft and Lower Case (FT50, FT60)
  
  180
  - Removing the Drive Shaft
    182
  - Disassembling the Drive Shaft
    182
  - Disassembling the Forward Gear
    182
  - Disassembling the Oil Seal Housing
    182
  - Disassembling the Lower Case
    183
  - Checking the Pinion and Forward Gear
    183
  - Checking the Bearings
    183
  - Checking the Drive Shaft
    183
  - Checking the Lower Case
    183
  - Assembling the Lower Case
    184
  - Assembling the Forward Gear
    184
  - Assembling the Drive Shaft
    185
  - Installing the Pinion
    185
  - Installing the Propeller Shaft Housing
    185
  - Installing the Water Pump and Shift Rod
    186
  - Installing the Lower Unit
    187
- Shimming (FT50, FT60)
  
  190
  - Shimming
    191
  - Selecting the Pinion Shims
    191
  - Selecting the Forward Gear Shims
    192
- Backlash (FT50, FT60)
  
  193
  - Measuring the Forward Gear Backlash
    193
Brkt Bracket Unit

196
- Bracket Unit
  
  198
- Special Service Tools
  
  198
- Tiller Handle
  
  199
- Bottom Cowling
  
  206
- Upper Case
  
  210
  - Removing the Upper Case
    215
  - Disassembling the Upper Case
    215
  - Checking the Drive Shaft Bushing
    215
  - Disassembling the Oil Pan
    215
  - Checking the Oil Strainer
    215
  - Assembling the Oil Pan
    216
  - Assembling the Upper Case
    217
  - Installing the Upper Case
    218
- Steering Arm
  
  219
  - Removing the Steering Arm
    220
  - Installing the Steering Arm
    220
- Clamp Brackets and Swivel Bracket
  
  222
  - Removing the Clamp Brackets
    224
  - Installing the Clamp Brackets
    224
  - Adjusting the Trim Sensor
    224
- Power Trim and Tilt Unit
  
  226
  - Removing the Power Trim and Tilt Unit/Hydro Tilt Unit
    227
- Power Trim and Tilt Motor
  
  228
- Gear Pump
  
  232
- Power Trim and Tilt Electrical System
  
  246
  - Checking the Fuse
    246
  - Checking the Power Trim and Tilt Relay
    246
  - Checking the Power Trim and Tilt Switch
    247
  - Checking the Trim Sensor
    248
Elec Electrical Systems

250
- Special Service Tools
  
  252
- Electrical Systems
  
  252
- Checking the Electrical Components
  
  253
  - Measuring the Peak Voltage
    253
  - Measuring the Lower Resistance
    253
- Electrical Components
  
  254
  - Port View
    254
  - Bow View
    255
  - Starboard View
    256
  - Top View
    257
  - Tiller Handle Model
    258
- Ignition and Ignition Control System
  
  259
- Fuel Control System
  
  264
- Starting System
  
  266
  - Checking the Fuses
    266
  - Checking the Starter Relay
    266
- Starter Motor
  
  269
  - Disassembling the Starter Motor
    269
  - Checking the Starter Motor Pinion
    269
  - Checking the Armature
    269
  - Checking the Brushes
    270
  - Checking the Magnet Switch
    270
  - Checking the Starter Motor Operation
    270
- Charging System
  
  271
  - Checking the Stator Coil
    271
  - Checking the Rectifier Regulator
    271
Trbl Shtg Troubleshooting

273
- Special Service Tools
  274
- Trbl Shtg
  274
- Troubleshooting
  274
- Yamaha Diagnostic System
  274
- Diagnosing the Electronic Control System
  278
- Self-Diagnosis
  278
- Power Unit
  280
- Power Trim and Tilt Unit
  295

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Yamaha FT50G Owner's Manual

Yamaha FT50G Owner's Manual (110 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 4.33 MB

Table of Contents

Yamaha FT50G Owner's Manual

Yamaha FT50G Owner's Manual (94 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 4.35 MB

Table of Contents

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Yamaha FT50G Owner's Manual

Yamaha FT50G Owner's Manual (86 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 3.9 MB

Table of Contents

Important Manual Information
3
Table of Contents
5
General Information

7
- Identification Numbers Record
  7
  - Outboard Motor Serial Number
    7
  - Key Number
    7
- C-Tick Label
  7
- Safety Information
  8
- Important Labels
  9
  - Warning Labels
    9
  - Caution Labels
    9
- Fueling Instructions
  10
  - Gasoline
    10
  - Engine Oil
    10
- Battery Requirement
  11
  - Battery Specifications
    11
- Propeller Selection
  11
- Start-In-Gear Protection
  12
Basic Components

13
- Main Components
  13
  - Fuel Tank
    14
  - Fuel Joint
    14
  - Fuel Tank Cap
    14
  - Air Vent Screw
    15
  - Remote Control
    15
  - Remote Control Lever
    15
  - Neutral Interlock Trigger
    16
  - Neutral Throttle Lever
    16
  - Free Accelerator
    16
  - Tiller Handle
    17
  - Gear Shift Lever
    17
  - Throttle Grip
    17
  - Throttle Indicator
    17
  - Throttle Friction Adjuster
    17
  - Engine Stop Lanyard Switch
    18
  - Engine Stop Button
    19
  - Main Switch
    19
  - Steering Friction Adjuster
    20
  - Power Trim and Tilt Switch on Remote Control or Tiller Handle
    20
  - Power Trim and Tilt Switch on Bottom Engine Cowling
    21
  - Variable Trolling RPM Switches
    21
  - Trim Tab with Anode
    22
  - Tilt Support Lever for Power Trim and Tilt or Hydro Tilt Model
    23
  - Top Cowling Lock Lever(S)
    23
    
    (Turn Type)
    23
  - Flushing Device
    23
  - Water Separator
    23
  - Warning Indicator
    24
  - Tachometer
    24
  - Digital Tachometer
    24
  - Low Oil Pressure Warning Indicator
    25
  - Low Oil Pressure Warning
    25
    
    Indicator
    25
  - Overheat Warning Indicator
    25
  - Overheat Warning Indicator (Digital Type)
    26
  - Speedometer (Digital Type)
    26
  - Trim Meter
    27
  - Trim Meter (Digital Type)
    27
  - Hour Meter (Digital Type)
    27
  - Trip Meter
    28
  - Clock
    28
  - Fuel Gauge
    29
  - Fuel Warning Indicator
    29
  - Low Battery Voltage Warning Indicator
    29
  - 6Y8 Multifunction Meters
    30
  - Tachometer Unit
    30
  - Speedometer Unit
    32
  - Fuel Management Meter
    33
- Warning System
  33
  - Overheat Warning
    33
  - Low Oil Pressure Warning
    34
Operation

37
- Installation
  37
  - Mounting the Outboard Motor
    37
- Breaking in Engine
  38
  - Procedure for 4-Stroke Models
    38
- Preoperation Checks
  38
  - Fuel
    38
  - Controls
    39
  - Engine
    39
  - Checking the Engine Oil Level
    39
- Filling Fuel
  39
- Operating Engine
  40
  - Feeding Fuel (Portable Tank)
    40
  - Starting Engine
    41
- Warming up Engine
  44
  - Manual Start and Electric Start Models
    44
- Shifting
  44
  - Forward (Tiller Handle and Remote Control Models)
    44
  - Reverse (Automatic Reverse Lock and Power Trim and Tilt Models)
    45
- Trolling
  46
  - Adjusting Trolling Speed
    46
- Stopping Engine
  46
  - Procedure
    46
- Trimming Outboard Motor
  47
  - Adjusting Trim Angle
    48
  - Adjusting Boat Trim
    49
- Tilting up and down
  49
  - Procedure for Tilting up (Power Trim and Tilt Models / Power Tilt Models)
    50
  - Procedure for Tilting down (Power Trim and Tilt Models / Power Tilt Models)
    51
- Cruising in Shallow Water
  52
  - Power Trim and Tilt Models / Power Tilt Models
    52
- Cruising in Other Conditions
  54
Maintenance

55
- Specifications
  55
- Transporting and Storing Outboard Motor
  57
  - Storing Outboard Motor
    57
  - Procedure
    58
  - Lubrication
    59
  - Battery Care
    59
  - Flushing Power Unit
    60
  - Cleaning the Outboard Motor
    61
  - Checking Painted Surface of Motor
    61
- Periodic Maintenance
  61
  - Replacement Parts
    61
  - Maintenance Chart
    62
  - Maintenance Chart (Additional)
    63
  - Greasing
    64
  - Cleaning and Adjusting Spark Plug
    65
  - Checking Fuel System
    66
  - Inspecting Idling Speed
    67
  - Changing Engine Oil
    67
  - Checking Wiring and Connectors
    69
  - Exhaust Leakage
    69
  - Water Leakage
    69
  - Engine Oil Leakage
    69
  - Checking Power Trim and Tilt / Power Tilt System
    69
  - Checking Propeller
    70
  - Removing the Propeller
    71
  - Installing the Propeller
    71
  - Changing Gear Oil
    72
  - Cleaning Fuel Tank
    73
  - Inspecting and Replacing Anode(S)
    74
  - Checking Battery (for Electric Start Models)
    74
  - Connecting the Battery
    75
  - Disconnecting the Battery
    76
  - Checking Top Cowling
    76
  - Coating the Boat Bottom
    76
Trouble Recovery

77
- Troubleshooting
  77
- Temporary Action in Emergency
  80
- Treatment of Submerged Motor
  85
  - Procedure
    85

Yamaha FT50G Service Manual

Yamaha FT50G Service Manual (11 pages)

Brand: Yamaha | Category: Engine | Size: 0.53 MB

Table of Contents

Gen Info General Information

5
- Important Information
  2
- Specifications
  3
- Electrical Systems
  3
- Troubleshooting
  3
- Manual Format
  6
  - Contents
    7
- Ventilation
  8
- Good Working Practices
  9
- Serial Number
  10
Table of Contents

11

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