Yamaha 50G Manuals

Manuals and User Guides for Yamaha 50G. We have 3 Yamaha 50G manuals available for free PDF download: Owner's Manual, Service Manual

Yamaha 50G Service Manual

Yamaha 50G Service Manual (204 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 7.14 MB

Table of Contents

Info Chapter 1 General Information

9
- Specifications
  2
  - How to Use this Manual
    3
  - Fuel System
    5
  - Table of Contents
    9
- Chapter 1
  10
- Identification
  10
- Serial Number
  10
- Starting Serial Numbers
  10
- Safety While Working
  11
  - Fire Prevention
    11
  - Ventilation
    11
  - Self-Protection
    11
  - Oils, Greases and Sealing Fluids
    11
  - Good Working Practices
    12
  - Disassembly and Assembly
    13
- Special Tools
  14
  - Measuring
    15
  - Removal and Installation
    17
Table of Contents

21
- Chapter 2
  22
- General Specification
  22
- Maintenance Specifications
  26
  - Engine
    26
  - Electrical
    28
  - Dimension
    31
- Tightening Torque
  33
- General Torque Specifications
  34
Table of Contents

35
- Anode
  36
- Chapter 3
  36
- Maintenance Schedule
  36
- Periodic Service
  36
- Battery
  37
- Carburetor
  38
- Carburetor Link Adjustment
  38
- Cylinder Head Bolts, Engine Mounting Bolts, and Flywheel Nut
  39
- Fuel Filter
  39
- Fuel Tank and Fuel Line
  39
- Gear Oil
  40
- Idle-Speed
  40
- Ignition Timing Adjustment
  41
- Oil Injection Pump
  45
  - Operational Test
    45
- Checking the Oil Level Warning System
  46
- Oil Pump Link Adjustment
  47
- POWER TRIM and TILT FLUID (PTT Model)
  47
- Propeller
  48
- Spark Plug
  48
- Greasing Points
  49
Fuel System

51
- Chapter 4 Fuel System
  52
- Exploded Diagram
  52
- Fuel Line
  53
- Cleaning and Inspection
  54
  - Fuel Tank
    54
  - Fuel Meter Complete
    55
  - Priming Pump
    55
  - Fuel Filter
    55
  - Fuel Joints
    56
  - Fuel Pump
    56
- Removal
  54
- Installation
  56
- Carburetor
  57
  - EXPLODED DIAGRAM (Except for C60ER, C60TR, C75TR)
    57
  - EXPLODED DIAGRAM (for C60ER, C60TR, C75TR)
    58
  - Removal and Disassembly
    59
  - Inspection
    60
    
    Carburetor Body
    60
    
    Needle Valve
    60
    
    Pilot Screw
    60
    
    Collar
    60
    
    Float
    60
    
    Enriching Fuel Pump
    61
    
    Electrothermal Valve
    61
  - Assembly
    62
  - Installation
    64
- OIL-INJECTION SYSTEM (Oil Injection Model)
  65
  - Exploded Diagram
    65
  - Removal
    67
  - Cleaning and Inspection
    67
    
    Oil-Tank
    67
    
    Oil-Lever Sensor
    67
    
    Oil-Hoses
    67
  - Installation
    67
Powr Chapter 5 Power Unit

70
- Chapter 5
  72
- Exploded Diagram
  72
- Preparation for Overhaul
  74
- Removal
  74
- Disassembly
  76
- Inspection
  77
  - Cylinder Head
    77
    
    Cleaning
    77
  - Cylinder Block
    78
    
    Cleaning
    78
    
    Inspection
    78
  - Piston
    79
    
    Cleaning
    79
    
    Inspection
    79
  - Piston Ring
    80
    
    Inspection
    80
  - Piston Pin and Small End Bearing
    81
    
    Cleaning
    81
    
    Inspection
    81
  - Crankshaft
    81
    
    Inspection
    82
  - Reed Valve
    82
    
    Inspection
    83
  - Thermostat
    83
    
    Cleaning
    83
  - Crank Main Bearing
    83
    
    Inspection
    84
  - Drive Gear (Oil Injection Pump Drive)
    84
  - Driven Gear (Oil Injection Pump Drive)
    84
- Assembly and Adjustment
  85
- Installation
  92
Table of Contents

93
- Chapter 6 Exploded Diagram
  94
- Exploded Diagram (for 50Geto, C60Er, C60Tr/60Fet (Oceania), C75Tr, 90Aehd, 90Aed, C90Tr/90Aet)
  94
- (Except for 50Geto, C60Er, C60Tr/60Fet (Oceania), C75Tr, 90Aehd, 90Aed, C90Tr/90Aet)
  95
- Disassembly
  96
- Preparation for Removal
  96
- Inspection
  102
  - Gear Case
    102
  - Bearing Housing
    102
  - Claw-Washer
    102
  - Ring-Nut
    102
  - Water Pump Housing
    103
  - Impeller
    103
  - OIL-SEAL HOUSING (Water Pump Housing)
    103
  - Gear
    103
  - Bearing
    103
  - Clutch Dog and Components
    104
  - Drive and Propeller Shaft
    104
  - Drive Shaft Sleeve
    104
  - Propeller/Trim Tab/Anode
    104
- Assembly and Adjustment
  105
  - Propeller-Shaft Housing
    105
  - Gear Case
    106
- Shim Selection
  110
  - For Usa and Canada
    110
  - Except for Usa and Canada
    115
    
    Measuring the Backlash
    118
    
    Water Pump Installation
    121
- Installation
  122
  - Lower Unit Leakage Check
    124
Bracket Unit

125
- Chapter 7 Bracket Unit
  126
- Exploded Diagram
  126
  - Manual Handle
    126
  - BRACKET UNIT (Manual Tilt Model)
    126
  - BRACKET (Short Transom)
    132
  - BRACKET (Long Transom)
    133
- Disassembly
  134
- Inspection
  134
  - Anode
    134
  - Bracket
    134
  - Trim Sensor
    134
- Removal
  134
- Assembly
  135
- Hydraulic Tilt Unit
  136
  - Inspection
    136
- Power Trim and Tilt Unit
  136
  - Removal
    136
  - EXPLODED DIAGRAM (Short Transom [6H308])
    137
  - Disassembly
    139
  - Inspection
    141
    
    Tilt-Rod and Trim-Rod
    141
  - Assembly
    141
  - EXPLODED DIAGRAM (Long Transom [6H1-15], [62F-02])
    145
  - Disassembly
    147
  - Inspection
    149
    
    Tilt-Rod and Trim-Rod
    149
  - Assembly
    149
  - Filling with Hydraulic Fluid and Air-Bleeding
    153
  - Hydraulic Fluid Pressure Test
    153
  - Installation
    155
- Power Trim and Tilt Motor
  156
  - Disassembly
    156
  - Inspection
    156
    
    Armature Coil
    156
    
    Brush
    157
    
    Base Assembly
    157
    
    Circuit Breaker
    157
  - Assembly
    158
Table of Contents

160
- Chapter 8
  162
- Electrical Components
  162
- Electrical Wiring
  164
- Wiring Diagram
  168
  - Remote Control Box
    173
    
    Digital Meter
    173
- Removal
  174
  - Magneto Base
    174
- Electrical Analysis
  176
  - Inspection
    176
  - Ignition Spark Gap
    177
  - CDI System Peak Voltage
    177
  - Replacement of Spark-Plug Cap
    181
  - Crank Position Sensor
    181
  - Starter Relay
    182
  - Power Trim and Tilt Relay
    182
  - Trailer Switch
    183
  - Rectifier/Regulator
    184
  - Fuse
    184
  - Thermo Switch
    185
  - Fuel Enrichment Valve
    185
  - OIL INJECTION SYSTEM (Oil Injection Model)
    186
  - Oil-Level Sensor
    187
  - Oil-Level Warning Lamp (L.e.D.)
    189
  - Wiring Harness
    189
  - Bracket
    190
  - Battery
    190
  - Engine Stop Switch
    190
  - Main Switch (P60Th/60Fehto, P75Th/75Cehto, 90Aehd)
    191
  - Neutral Switch
    191
- Installation
  191
  - Flywheel Magneto
    191
- Starter Motor
  192
  - Removal
    192
  - Disassembly
    192
  - Inspection
    193
    
    Pinion
    193
    
    Brush
    193
    
    Brush-Holder
    193
    
    Armature
    194
  - ASSEMBLY (50, 60, 70 Hp)
    195
  - INSTALLATION (50, 60, 70 Hp)
    196
  - ASSEMBLY (75, 80, 90 Hp)
    196
  - INSTALLATION (75, 80, 90 Hp)
    197
  - Trouble Analysis
    200

Yamaha 50G Owner's Manual

Yamaha 50G Owner's Manual (222 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 3.19 MB

Table of Contents

Yamaha 50G Owner's Manual

Yamaha 50G Owner's Manual (215 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 5.95 MB

Table of Contents

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