Yamaha FT8DMH Manuals

Manuals and User Guides for Yamaha FT8DMH. We have 3 Yamaha FT8DMH manuals available for free PDF download: Service Manual, Rigging Manual, Owner's Manual

Yamaha FT8DMH Service Manual (291 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 4.69 MB

How to Use this Manual

3
Table of Contents

7
- Chapter 1
  9
- Identification
  9
- Serial Number
  9
- Starting Serial Numbers
  9
- Safety While Working
  10
  - Fire Prevention
    10
  - Ventilation
    10
  - Self-Protection
    10
  - Oils, Greases and Sealing Fluids
    10
  - Good Working Practices
    11
  - Disassembly and Assembly
    12
- Special Tools
  13
  - Measuring
    13
  - Removing and Installing
    15
Chapter 2 Specifications

17
- General Specifications (F6Amh/F6Mh)
  18
- General Specifications (F8Cmh/F8Mh)
  20
- Maintenance Specifications
  22
  - Power Unit
    22
  - Lower Unit
    25
  - Electrical
    26
  - Outboard Dimensions
    28
  - Bracket Dimensions
    30
- Tightening Torques
  31
  - Specified Torques
    31
  - General Torques
    33
Chapter 3 Periodic Check and Adjustment

34
- Maintenance Interval Chart
  35
- Top Cowling
  36
  - Checking the Water Drain Hole
    36
  - Checking the Top Cowling Fit
    36
- Fuel System
  37
  - Checking the Fuel Line
    37
  - Control System
    38
    
    Adjusting the Shift Control Cable
    38
    
    Adjusting the Throttle Control Cables
    39
    
    Adjusting the Throttle Axle Link
    40
    
    Adjusting the Engine Idling Speed
    41
    
    Adjusting the Start-In-Gear Protection Device
    42
- Power Unit
  43
  - Checking the Engine Oil Level
    43
    
    Replacing the Engine Oil
    43
    
    Adjusting the Valve Clearance
    44
    
    Measuring the Compression Pressure
    46
    
    Checking the Ignition Timing
    47
    
    Checking the Timing Belt
    48
  - Cooling System
    48
    
    Checking the Cooling Water Discharge
    48
- Lower Unit
  49
  - Checking the Gear Oil Level
    49
    
    Changing and Checking the Gear Oil Level
    49
    
    Checking the Lower Unit (for Air Leaks)
    50
  - General
    51
    
    Checking the Anode
    51
    
    Checking the Battery
    51
    
    Checking the Spark Plugs
    52
    
    Lubrication Points
    54
Chapter 4 Fuel System

56
- Checking the Fuel Filter
  58
- Checking the Fuel Joint
  58
- Fuel Joint, Fuel Filter and Fuel Pump
  58
- Fuel Pump
  58
- Installing the Fuel Filter
  58
- Fuel Pump
  59
- Intake System
  61
  - Removing/Installing the Intake System
    61
  - Installing the Intake Manifold
    63
- Carburetor
  64
Chapter 5 Power Unit

68
Chapter 6 Lower Unit

126
Chapter 7 Bracket Unit

152
- Bracket Unit
  152
- Removing/Installing the Steering Handle
  153
  - Installing the Steering Handle
    155
  - Adjusting the Throttle Control Cables
    155
  - Adjusting the Shift Cable
    155
  - Disassembling/Assembling the Steering Handle
    156
  - Assembling the Steering Handle
    158
  - Removing/Installing the Shift Lever
    159
  - Removing/Installing the Bottom Cowling
    161
  - Removing/Installing the Upper Case
    163
  - Installing the Lower Mount
    164
  - Disassembling/Assembling the Upper Case
    165
  - Installing the Oil Seal
    167
  - Installing the Muffler
    167
- Swivel and Steering Bracket
  168
  - Removing/Installing the Swivel and Steering Bracket
    168
- Steering Friction
  169
Chapter 8 Electrical System

176
General Information

208
- Identification
  211
  - Serial Number
    211
  - Starting Serial Numbers
    211
- Special Tools
  212
  - Removal and Installation
    212
- General Specifications (T8Ph/T8Mh/Ft8Dmh)
  214
- General Specifications (Ft8Dep/T8Pr, Ft8De/T8Er)
  215
- Maintenance Specifications
  217
  - Power Unit
    217
  - Lower Unit
    220
  - Electrical
    221
  - Outboard Dimensions (T8Ph/T8Mh/Ft8Dmh)
    223
  - Outboard Dimensions (Ft8Dep/T8Pr, Ft8De/T8Er)
    225
  - Bracket Dimension (Ft8Dmh/T8Mh, Ft8De/T8Er)
    227
  - Bracket Dimension (Ft8Dep/T8Pr/T8Ph)
    228
- Maintenance Interval Chart
  232
- Power Unit
  233
  - Adjusting the Valve Clearance
    233
- General
  234
  - Checking the Anode
    234
  - Lower Unit
    235
  - Removing/Installing the Lower Unit
    235
- Power Tilt System
  234
  - Checking the Power Tilt (Pt) Fluid Level
    234
- Water Pump
  237
- Propeller Shaft Housing and Propeller Shaft
  239
  - Removing/Installing the Propeller Shaft Housing Ass'yand Propeller Shaft Ass'y
    239
  - Removing the Propeller Shaft Housing Ass'y
    240
- Propeller Shaft Ass'y
  241
- Propeller Shaft Housing Ass'y
  243
- Drive Shaft, Forward Gear, Shift Rod and Oil Seal Housing
  247
  - Removing/Installing the Drive Shaft, Forward Gear and Shaft Rod
    247
  - Removing the Pinion and Forward Gear
    249
  - Disassembling the Oil Seal Housing Ass'y
    249
  - Installing the Sleeve
    249
  - Disassembling the Lower Case
    250
  - Checking the Pinion and Forward Gear
    251
  - Checking the Drive Shaft
    251
  - Checking the Shift Cam
    251
  - Checking the Bearing
    251
  - Checking the Sleeve
    251
  - Checking the Lower Case
    251
  - Assembling the Lower Case
    251
  - Assembling the Oil Seal Housing Ass'y
    252
  - Assembling the Forward Gear
    252
- Shimming (for Usa and Canada)
  253
  - Selecting the Pinion Shims
    253
- Shimming (Except for Usa and Canada)
  254
  - Selecting the Pinion Shims
    254
  - Selecting the Forward Gear Shims
    255
  - Selecting the Reverse Gear Shims
    256
- Backlash Measurement
  257
  - Measuring the Forward Gear Backlash
    257
  - Measuring the Reverse Gear Backlash
    258
- Upper Case
  260
  - Disassembling/Assembling the Upper Case
    260
- Steering Friction
  262
  - Disassembling/Assembling the Steering Friction
    262
- Power Tilt (Pt) Unit
  263
- Starter Motor
  281
  - Disassembling/Assembling the Starter Motor
    281
  - Removing the Pinion
    283
  - Checking the Pinion
    283
  - Checking the Armature
    283
  - Checking the Brush Holder
    284
- Power Tilt (Pt) System
  285
  - Power Tilt (Pt) System (T8Pr/Ft8Dep)
    285
  - Power Tilt (Pt) System (T8Ph)
    286
  - Checking the Pt Switch
    287
  - Checking the Pt Relay
    287

Yamaha FT8DMH Rigging Manual (226 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 7.75 MB

Table of Contents

5
Propellers

59
- Propeller Specifications
  
  60
  - Propeller Types
    60
  - Propeller Identification
    62
- 2009 Propeller Applications
  
  63
- Propeller Selection
  
  63
- Wot Operation Range Table
  
  69
- Remote Controls
  
  71
  - Remote Control Applications
    72
  - Remote Switch Applications
    85
  - Remote Control Cables
    94
  - Remote Control Attachment Kit
    96
  - Steering Hook
    98
  - Steering Guide Attachment Kit
    101
  - Conventional Wire Harness
    103
  - Digital Electronic Control Wire Harness
    105
Tiller Handles

107
- 6X4 Multi-Function Tiller Handle
  
  108
- Steering Friction Contents
  
  117
Conventional Gauge (6Y5 & 6Y7)

119
- Mounting the Meters
  
  122
  - Meter Mounting Procedure
    122
  - Analog Gauge Illumination (6Y7 Type)
    122
- Analog Tachometer
  
  123
  - Analog Tachometer Applications
    123
  - Analog Tachometer Dimensions
    124
  - Pole Number Set up
    124
- Digital Tachometer
  
  125
  - Digital Tachometer Applications
    125
  - Digital Tachometer Dimensions
    125
  - Pole Number Set up
    126
- Speedometer
  
  127
  - Speedometer Applications
    127
  - Speedometer Dimensions
    128
  - Water Pressure Damper (Op)
    128
  - Speedometer Tube Routing
    129
  - Digital Speedometer Set up
    129
- Fuel Management Gauge
  
  130
  - Fuel Management Gauge Applications
    130
  - Fuel Management Gauge Dimensions
    131
  - Fuel Sender Installation
    132
  - Wiring Description
    133
  - Fuel Management Gauge Set up
    135
  - Fuel Mgt Gauge with Speedometer Set up
    135
- Analog Trim Meter
  
  136
  - Analog Trim Meter Applications
    136
  - Analog Trim Meter Dimensions
    136
  - Trim Sender Adjustment
    136
- Coolant Pressure Meter
  
  137
  - Coolant Pressure Meter Applications
    137
  - Coolant Pressure Meter Dimensions
    137
- Coolant Temp. Meter
  
  138
- Hour Meter
  
  144
  - Hour Meter Applications
    144
  - Wiring the Mechanical Hour Meter
    145
  - Wiring the Digital Hour Meter
    145
- Voltage Meter
  
  146
  - Voltage Meter Applications
    146
  - Voltage Meter Dimensions
    146
  - Wiring the Voltage Meter
    146
- Fuel Meter
  
  147
  - Fuel Meter Applications
    147
  - Fuel Meter Dimensions
    147
- Charge Warning Unit
  
  148
  - Charge Warning Unit Applications
    148
- Wire Harnesses
  
  149
  - Remote-Oil Tank Harness
    149
  - Additional Accessory Lead
    149
  - Meter Harness
    150
  - Lamp Switch
    151
  - Combination Trim and Oil Lead 1
    151
  - Combination Trim and Oil Lead 2
    151
  - Trim Meter Lead
    151
  - Pt/T Switch Lead Extension
    152
  - Trim and Oil Lead
    152
  - Fuel Management Gauge Harness
    152
  - Lighting Coil Extension Harness
    152
  - Rectifier Kit
    152
- Wiring Diagrams
  
  153
  - Wire Color Code
    153
  - Digital Meter
    154
  - Analog Meter (6Y7)
    159
  - Interchangeability between Tachometer and Engine
    161
  - Grommet Description
    164
Digital Network Gauge (6Y8)

167
- Digital Network Gauge Compatible Model
  
  168
- Digital Network Gauge Application
  
  168
  - Square Style Gauge Application
    168
- Digital Network Gauge Dimensions
  
  169
  - Round Style Gauge Application
    169
  - Square Style Gauge Dimensions
    169
  - Round Style Gauge Dimensions
    170
- Optional Equipments
  
  171
  - Multi-Sensor Application
    171
  - Fitting Plate
    171
  - Speed Sensor Kit
    172
  - Coolant Pressure Sensor Kit
    172
- Wire Harness
  
  173
  - Main Bus Wire
    173
  - Pigtail Bus Wire
    173
  - Fuel Tank / Gps Wire
    174
  - Hub
    174
- Wiring Diagrams
  
  175
  - FUEL INJECTED F50-F250 [Mechanical RC] & HPDI ENGINES
    175
  - F350/F300/F250 [Digital Electronic Control]
    178
- Initial Gauge Setup
  
  183
- Troubleshooting
  
  184
- Basic Requirements
  
  185
- Nmea0183 Compatible Equipments Connection
  
  185
Battery

187
- Recommended Battery
  
  188
- Battery Cable Length
  
  189
- Battery Wiring
  
  190
Appendix

195
- Model Name Designation
  
  196
  - Us & Canada Model Identification
    197
  - New Us & Canada Model Identification Code
    197
- Fuel System Vacuum Pressure Standard
  
  198
  - Fuel Hose Routing Resistance Measuring Method
    198
  - Lowest Vacuum Pressure Standard
    199
- Portable Fuel Tanks (Typical)
  
  200
- Fuel Pipes (Typical)
  
  200
- Pre-Delivery Inspection (Pdi) Checks
  
  201
- Conventional Rigging Kit Contents
  
  202
  - Digital Tachometer Kit
    202
  - Digital Tachometer and Speedometer Kit
    202
  - Twin-Motor Kit
    203
  - Remote Oil Tank Kit (for 2-Stroke Engine)
    204
- Digital Network Gauge Rigging Kit Contents
  
  205
- 2009 Manufacturing Start Serial Number
  
  219

Yamaha FT8DMH Owner's Manual (88 pages)

Brand: Yamaha | Category: Outboard Motor | Size: 6.13 MB

Table of Contents
4
Safety Information
7
Outboard Motor Safety
7
Propeller
7
Rotating Parts
7
Hot Parts
7
Electric Shock
7
Power Tilt
7
Engine Shut-Off Cord (Lanyard)
7
Gasoline
7
Gasoline Exposure and Spills
8
Carbon Monoxide
8
Modifications
8
Boating Safety
8
Alcohol and Drugs
8
Personal Flotation Devices
8
People in the Water
8
Passengers
8
Overloading
8
Avoid Collisions
9
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
11
Read Manuals and Labels
12
Warning Labels
12
Specifications and Requirements
16
Specifications
16
Installation Requirements
18
Boat Horsepower Rating
18
Mounting Motor
18
Remote Control Requirements
18
Battery Requirements
18
Battery Specifications
18
Mounting Battery
18
Propeller Selection
19
Start-In-Gear Protection
19
Engine Oil Requirements
20
Fuel Requirements
20
Gasoline
20
Muddy or Acidic Water
20
Anti-Fouling Paint
20
Motor Disposal Requirements
21
Emergency Equipment
21
Emission Control Information
21
SAV Models
21
Components
22
Components Diagram
22
Fuel Tank
23
Fuel Joint
24
Fuel Gauge
24
Fuel Tank Cap
24
Air Vent Screw
24
Remote Control Box
24
Remote Control Lever
24
Neutral Interlock Trigger
25
Neutral Throttle Lever
25
Choke Switch
25
Tiller Handle
25
Gear Shift Lever
25
Throttle Grip
26
Throttle Indicator
26
Throttle Friction Adjuster
26
Engine Shut-Off Cord (Lanyard) and Clip
27
Engine Stop Button
28
Choke Knob for Pull Type
28
Manual Starter Handle
28
Main Switch
28
Power Tilt Switch
29
Steering Friction Adjuster
29
Trim Rod (Tilt Pin)
29
Tilt Lock Mechanism
29
Tilt Support Knob
30
Tilt Support Bar
30
Power Tilt Unit
30
Cowling Lock Lever (Pull up Type)
31
Flushing Device
31
Alert Indicator
31
Instruments and Indicators
32
Indicators
32
Low Oil Pressure-Alert Indicator
32
Engine Control System
33
Alert System
33
Low Oil Pressure Alert
33
Installation
34
Mounting the Outboard Motor
34
Clamping the Outboard Motor
35
Operation
37
First-Time Operation
37
Fill Engine Oil
37
Breaking in Engine
37
Getting to Know Your Boat
37
Checks before Starting Engine
37
Fuel Level
37
Remove the Top Cowling
38
Fuel System
38
Controls
38
Engine Shut-Off Cord (Lanyard)
38
Engine Oil
39
Engine
39
Flushing Device
39
Install Top Cowling
40
Checking Power Tilt System
40
Battery
41
Filling Fuel
41
Operating Engine
42
Sending Fuel (Portable Tank)
42
Starting Engine
43
Checks after Starting Engine
47
Cooling Water
47
Warming up Engine
47
Manual Start and Electric Start Models
47
Checks after Engine Warm up
47
Shifting
47
Stop Switches
47
Stopping Boat
49
Stopping Engine
50
Procedure
50
Trimming Outboard Motor
51
Adjusting Trim Angle for Manual Tilt Models
51
Adjusting Trim Angle (Power Tilt Models)
52
Adjusting Boat Trim
52
Tilting up and down
53
Procedure for Tilting up (Manual Tilt Models)
54
Procedure for Tilting up (Power Tilt Models)
55
Procedure for Tilting down (Manual Tilt Models)
56
Procedure for Tilting down (Power Tilt Models)
56
Shallow Water
56
Cruising in Shallow Water (Manual Tilt Models)
56
Power Tilt Models
58
Cruising in Other Conditions
59
Maintenance
60
Transporting and Storing Outboard Motor
60
Clamp Screw Mounting Models
60
Storing Outboard Motor
61
Procedure
61
Lubrication
62
Flushing Power Unit
62
Cleaning the Outboard Motor
63
Checking Painted Surface of Outboard Motor
63
Periodic Maintenance
63
Replacement Parts
64
Severe Operating Conditions
64
Maintenance Chart 1
65
Maintenance Chart 2
67
Greasing
68
Cleaning and Adjusting Spark Plug
70
Checking Fuel Filter
70
Inspecting Idle Speed
71
Changing Engine Oil
71
Inspecting Wiring and Connectors
73
Checking Propeller
73
Removing Propeller
74
Installing Propeller
74
Changing Gear Oil
75
Cleaning Fuel Tank
76
Inspecting and Replacing Anode(S)
77
Checking Battery (for Electric Start Models)
77
Connecting the Battery
78
Disconnecting the Battery
78
Trouble Recovery
80
Troubleshooting
80
Temporary Action in Emergency
83
Impact Damage
83
Replacing Fuse
83
Power Tilt will Not Operate
84
Starter will Not Operate
84
Emergency Starting Engine
85
Engine Fails to Operate
86
Emergency Engine Operation
86
Treatment of Submerged Motor
86

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More Yamaha Manuals

Yamaha FT8DMH Manuals

Yamaha FT8DMH Service Manual (291 pages)

Table of Contents

How to Use this Manual

Table of Contents

Chapter 2 Specifications

Chapter 3 Periodic Check and Adjustment

Chapter 4 Fuel System

Chapter 5 Power Unit

Chapter 6 Lower Unit

Chapter 7 Bracket Unit

Chapter 8 Electrical System

General Information

Yamaha FT8DMH Rigging Manual (226 pages)

Table of Contents

Table of Contents

Top Cover Pictograph Description

Uncrating Procedure (for Typical Steel Frame)

Mounting the Outboard Motor

Mounting the Remote Oil Tank

Outboard Motor Dimensions

Propellers

Propeller Specifications

2009 Propeller Applications

Propeller Selection

Wot Operation Range Table

Remote Controls

Tiller Handles

6X4 Multi-Function Tiller Handle

Steering Friction Contents

Conventional Gauge (6Y5 & 6Y7)

Mounting the Meters

Analog Tachometer

Digital Tachometer

Speedometer

Fuel Management Gauge

Analog Trim Meter

Coolant Pressure Meter

Coolant Temp. Meter

Hour Meter

Voltage Meter

Fuel Meter

Charge Warning Unit

Wire Harnesses

Wiring Diagrams

Digital Network Gauge (6Y8)

Digital Network Gauge Compatible Model

Digital Network Gauge Application

Digital Network Gauge Dimensions

Optional Equipments

Wire Harness

Wiring Diagrams

Initial Gauge Setup

Troubleshooting

Basic Requirements

Nmea0183 Compatible Equipments Connection

Battery

Recommended Battery

Battery Cable Length

Battery Wiring

Appendix

Model Name Designation

Fuel System Vacuum Pressure Standard

Portable Fuel Tanks (Typical)

Fuel Pipes (Typical)

Pre-Delivery Inspection (Pdi) Checks

Conventional Rigging Kit Contents

Digital Network Gauge Rigging Kit Contents

2009 Manufacturing Start Serial Number

Yamaha FT8DMH Owner's Manual (88 pages)

Table of Contents

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