Yamaha F8CW Manuals

Manuals and User Guides for Yamaha F8CW. We have 1 Yamaha F8CW manual available for free PDF download: Service Manual

Yamaha F8CW Service Manual

Yamaha F8CW Service Manual (511 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 13.51 MB

Table of Contents

How to Use this Manual
4
Model Indication
4
Important Information
8
Specifications

16
- Symbols
  16
- Table of Contents
  18
- General Information
  20
Periodic Check and Adjustment

16
- Chapter 1
  
  22
  - Serial Number
    22
  - Starting Serial Numbers
    22
Identification

22
Safety While Working

24
- Fire Prevention
  24
- Ventilation
  24
- Self-Protection
  24
- Oils, Greases and Sealing Fluids
  24
- Good Working Practices
  26
- Disassembly and Assembly
  28
Special Tools

30
- Measuring
  30
- Removing and Installing
  34
  - Specifications
    38
  - General Specifications
    40
  - Identification
    43
Fonctionnement

45
- General Specifications (F8Cmh/F8Mh)
  48
- General Specifications (F8Cw)
  52
- Maintenance Specifications
  56
- Power Unit
  56
- Electrical
  64
- Outboard Dimensions (F6Amh, F6Bmh, F8Cmh)
  68
- Outboard Dimensions (F6Amh/F6Mh, F8Cmh/F8Mh)
  72
- Outboard Dimensions (F8Cw)
  76
- Bracket Dimensions
  80
- Specified Torques
  82
- Tightening Torques
  82
- General Torques
  86
- Periodic Check and Adjustment
  88
- Chapter 3
  
  90
Maintenance Interval Chart

90
Top Cowling

94
- Checking the Water Drain Hole
  94
- Checking the Top Cowling Fit
  94
Fuel System

96
- Checking the Fuel Line
  96
Control System

98
Power Unit

118
- Adjusting the Valve Clearance
  120
- Measuring the Compression Pressure
  124
- Checking the Ignition Timing
  126
- Checking the Timing Belt
  128
Power Unit/Cooling System

128
- Checking the Cooling Water Discharge
  128
Lower Unit

130
- Changing and Checking the Gear Oil Level
  130
- Checking the Lower Unit (for Air Leaks)
  132
General

134
- Checking the Anode
  134
- Checking the Battery
  134
- Checking the Spark Plugs
  136
- Lubrication Points
  140
- Chapter 4
  
  148
  - Fuel Pump
    148
  - Disassembling/Assembling the Fuel Pump
    150
  - Checking the Fuel Pump
    152
  - Assembling the Fuel Pump
    152
Fuel Joint, Fuel Filter and Fuel Pump

148
Intake System

154
- Removing/Installing the Intake System (F6Amh/F6Mh, F6Bmh, F8Cmh/F8Mh)
  154
  - Removing/Installing the Intake System (F8Cw)
    158
  - Adjusting the Fuel Enrichment Solenoid (F8Cw)
    162
  - Adjusting the Throttle Axle Link
    162
  - Installing the Intake Manifold
    162
  - Disassembling/Assembling the Carburetor
    164
  - Checking the Carburetor
    168
  - Disassembling the Carburetor
    168
  - Adjusting the Carburetor
    170
  - Assembling the Carburetor
    170
Fuel Enrichment Solenoid (F8Cw)

172
- Disassembling/Assembling the Fuel Enrichment Solenoid
  172
- Adjusting the Fuel Enrichment Solenoid
  174
- Assembling the Fuel Enrichment Solenoid
  174
- D'etancheite
  179
  - Removing/Installing the Manual Starter
    182
  - Disassembling/Assembling the Manual Starter
    186
  - Disassembling the Manual Starter
    190
  - Assembling the Manual Starter
    192
  - Checking the Manual Starter
    192
  - Removing/Installing the Flywheel Rotor
    198
  - Removing the Flywheel Rotor
    200
  - Installing the Flywheel Rotor
    202
  - Disconnecting/Connecting the Electrical Leads
    204
  - Disconnecting/Connecting the Electrical Leads (F8Cw)
    206
  - Disconnecting/Connecting the Cables and Hose
    208
  - Disconnecting/Connecting the Cables and Hose (F8Cw)
    212
  - Adjusting the Throttle Control Cable(S)
    214
  - Removing/Installing the Power Unit
    216
  - Installing the Power Unit
    218
  - Removing/Installing the Left Side Electrical Components 1 (F8Cw)
    232
  - Removing/Installing the Left Side Electrical Components 2 (F8Cw)
    236
  - Removing/Installing the Thermostat, Timing Belt and Gears
    238
  - Thermostat, Timing Belt and Gears
    238
  - Removing the Drive Gear
    242
  - Removing the Driven Gear
    242
  - Removing the Timing Belt
    242
  - Checking the Thermostat
    244
  - Installing the Driven Gear
    244
  - Mesure
    245
    
    Installing the Drive Gear
    246
    
    Installing the Timing Belt
    248
    
    Removing/Installing the Anode and Exhaust Cover
    250
    
    Installing the Exhaust Cover
    252
    
    Removing/Installing the Cylinder Head and Oil Pump
    254
    
    Installing the Cylinder Head
    258
    
    Installing the Oil Pump
    258
    
    Disassembling/Assembling the Oil Pump
    262
    
    Assembling the Oil Pump
    264
    
    Checking the Oil Pump
    264
    
    Removing/Installing the Camshaft and Valves
    266
    
    Checking the Valve and Valve Guide
    270
    
    Removing the Valve
    270
    
    Checking the Valve Spring
    272
    
    Checking the Camshaft
    274
    
    Checking the Rocker Arm
    274
    
    Rocker Arm Shaft
    274
    
    Checking the Cylinder Head
    276
    
    Replacing the Valve Guide
    276
  - Ausbau und Einbau
    277
    
    Refacing the Valve Seat
    278
    
    Installing the Camshaft Oil Seal
    282
    
    Installing the Valve
    282
    
    Removing/Installing the Crankshaft, Piston and Cylinder Body
    284
    
    Disassembling/Assembling the Piston and Connecting Rod
    286
    
    Checking the Cylinder Body
    288
    
    Checking the Piston
    288
    
    Calculating the Piston-To-Cylinder Clearance
    290
    
    Checking the Piston Pin
    290
    
    Checking the Crankshaft
    292
    
    Checking the Piston Ring
    292
    
    Checking the Crankshaft-Plain Bearing Oil Clearance
    294
  - Correctos
    294
    
    Checking the Crankshaft-Connecting Rod Oil Clearance
    298
    
    Installing the Connecting Rod
    302
    
    Installing the Piston Ring
    302
    
    Installing the Crankcase
    304
    
    Installing the Oil Seal
    304
    
    Installing the Piston and Connecting Rod
    304
  - Desarmado y Armado
    307
    
    Medición
    309
    
    Removing/Installing the Lower Unit (Standard Propeller)
    310
  - Desmontaje y Montaje
    311
  - Removing/Installing the Lower Unit (Dual Thrust Propeller) (F8Cw)
    314
  - Checking the Propeller
    318
  - Installing the Lower Unit
    318
  - Removing the Propeller
    318
  - Installing the Propeller
    320
  - Removing/Installing the Water Pump
    322
  - Checking the Water Pump Housing, Cartridge Insert and Impeller
    324
  - Checking the Woodruff Key
    324
  - Installing the Cartridge Insert and Water Pump Housing
    324
  - Installing the Propeller Shaft Housing Assembly
    328
  - Disassembling/Assembling the Propeller Shaft Assembly
    330
  - Assembling the Propeller Shaft Assembly
    332
  - Checking the Dog Clutch
    332
  - Checking the Propeller Shaft
    332
  - Disassembling/Assembling the Propeller Shaft Housing Assembly
    334
  - Checking the Ball Bearing
    336
  - Checking the Reverse Gear
    336
  - Disassembling the Propeller Shaft Housing Assembly
    336
  - Assembling the Propeller Shaft Housing Assembly
    338
  - Checking the Propeller Shaft Housing
    338
  - Removing/Installing the Drive Shaft and Forward Gear
    342
  - Checking the Drive Shaft
    344
  - Checking the Forward Gear
    344
  - Checking the Pinion
    344
  - Removing the Ball Bearing
    344
  - Installing the Ball Bearing
    346
  - Removing/Installing the Bearing Housing, Shift Cam and Lower Case
    348
  - Checking the Coller
    350
  - Checking the Shift Cam
    350
  - Disassembling the Bearing Housing
    350
  - Removing the Solid Bushing
    350
  - Assembling the Bearing Housing
    352
  - Installing the Solid Bushing
    354
  - Backlash
    356
  - Measuring the Forward Gear Backlash
    356
  - Measuring the Reverse Gear Backlash
    358
Bracket Unit

362
Electrical System

428
- Electrical Components
  432
- Top View and Left Side View
  432
- Details of the Wiring Harness Connection
  434
- Electrical Components
  434
- Top View, Front View and Left Side View
  436
- Electrical Components (F8Cw)
  440
- Digital Circuit Tester
  444
- Electrical Components Analysis
  444
- Measuring the Peak Voltage
  444
- Peak Voltage Adaptor
  444
- Ignition System
  448
- Checking the Ignition Spark Gap
  450
- Checking the Spark Plug Caps and Ignition Coil
  450
- Checking the Charge Coil
  454
- Checking the Pulser Coil
  454
- Checking the CDI Unit
  456
- Ignition Control System
  458
- Checking the Engine Stop Switch
  460
- Checking the Main Switch (F8Cw)
  460
- Checking Emergency Signal Light
  462
- Checking the Oil Pressure Switch
  462
- Starting System (F8Cw)
  464
- Checking the Fuel Enrichment Solenoid
  466
- Checking the Main Switch
  466
- Checking the Starter Relay
  466
- Checking the Wire Connections
  468
- Checking the Wire Harness
  468
- Disassembling/Assembling the Starter Motor
  470
- Checking the Armature
  474
- Removing the Pinion
  474
- Checking the Brush Holder
  476
- Charging System
  478
- Charging System (F8Cw)
  482
- Checking the Lighting Coil
  484
- Checking the Rectifier and Rectifier/Regulator
  486
Trouble Analysis

488
- Trouble Shooting for Peak Voltage
  498
- Wiring Diagram
  504

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