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F20B
Yamaha F20B User Manual
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Components
26
EMU26460
Flushing device
This device is used to clean the cooling wa-
ter passages of the motor using a garden
hose and tap water.
T
IP:
For details on usage, see page 60.
EMU26303
Alert indicator
If the engine develops a condition which is
cause for alert, the indicator lights up. For
details on how to read the alert indicator, see
page 28.
1.
Flushing device
1.
Aler
t indicator
ZMU05597
1
ZMU05530
1
31
33
Table of Contents
Default Chapter
3
Important Manual Information
3
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
C-Tick Label
10
Read Manuals and Labels
12
Warning Labels
12
Specifications and Requirements
15
Specifications
15
Installation Requirements
17
Boat Horsepower Rating
17
Mounting Motor
17
Remote Control Requirements
17
Battery Requirements
17
Battery Specifications
17
Mounting Battery
17
Multiple Batteries
17
Without a Rectifier or Rectifier Regulator
18
Propeller Selection
18
Start-In-Gear Protection
18
Engine Oil Requirements
19
Fuel Requirements
19
Gasoline
19
Muddy or Acidic Water
19
Anti-Fouling Paint
20
Motor Disposal Requirements
20
Emergency Equipment
20
Components
21
Components Diagram
21
Fuel Tank
22
Fuel Joint
23
Fuel Gauge
23
Fuel Tank Cap
23
Air Vent Screw
23
Remote Control Box
23
Remote Control Lever
23
Neutral Interlock Trigger
24
Neutral Throttle Lever
24
Tiller Handle
24
Gear Shift Lever
24
Throttle Grip
25
Throttle Indicator
25
Throttle Friction Adjuster
25
Engine Shut-Off Cord (Lanyard) and Clip
26
Engine Stop Button
26
Manual Starter Handle
27
Starter Button
27
Main Switch
27
Power Tilt Switch
27
Steering Friction Adjuster
28
Steering Friction Adjuster
29
Trim Tab
29
Trim Rod (Tilt Pin)
29
Tilt Lock Mechanism
30
Tilt Support Knob
30
Tilt Support Bar
30
Power Tilt Unit
31
Cowling Lock Lever (Pull up Type)
31
Flushing Device
32
Alert Indicator
32
Instruments and Indicators
33
Indicators
33
Low Oil Pressure-Alert Indicator
33
Overheat-Alert Indicator
33
Engine Control System
34
Alert System
34
Overheat Alert
34
Low Oil Pressure Alert
34
Installation
36
Mounting the Outboard Motor
36
Clamping the Outboard Motor
38
Operation
39
First-Time Operation
39
Fill Engine Oil
39
Breaking in Engine
39
Getting to Know Your Boat
39
Checks before Starting Engine
39
Fuel Level
39
Remove Cowling
40
Fuel System
40
Controls
40
Engine Shut-Off Cord (Lanyard)
41
Engine Oil
41
Engine
42
Flushing Device
42
Install Cowling
42
Checking Power Tilt System
42
Battery
43
Filling Fuel
43
Operating Engine
44
Sending Fuel (Portable Tank)
44
Starting Engine
45
Checks after Starting Engine
50
Cooling Water
50
Warming up Engine
50
Manual Start and Electric Start Models
50
Checks after Engine Warm-Up
51
Shifting
51
Stop Switches
51
Stopping Boat
52
Stopping Engine
53
Procedure
53
Trimming Outboard Motor
54
Adjusting Trim Angle for Manual Tilt Models
54
Adjusting Trim Angle
55
Models)
55
Adjusting Boat Trim
55
Tilting up and down
56
Procedure for Tilting up (Manual Tilt Models)
57
Procedure for Tilting up (Power Tilt Models)
57
Procedure for Tilting down (Manual Tilt Models)
59
Procedure for Tilting down (Power Tilt Models)
59
Shallow Water
60
Cruising in Shallow Water (Manual Tilt Models)
60
Power Tilt Models
61
Cruising in Other Conditions
62
Maintenance
63
Transporting and Storing Outboard Motor
63
Dismounting the Outboard Motor
63
Storing Outboard Motor
64
Procedure
65
Lubrication
66
Flushing Power Unit
66
Cleaning the Outboard Motor
67
Checking Painted Surface of Motor
67
Periodic Maintenance
67
Replacement Parts
67
Severe Operating Conditions
68
Maintenance Chart 1
69
Maintenance Chart 2
71
Greasing
72
Cleaning and Adjusting Spark Plug
73
Checking Fuel Filter
74
Inspecting Idling Speed
74
Changing Engine Oil
75
Checking Wiring and Connectors
76
Checking Propeller
77
Removing Propeller
77
Installing Propeller
78
Changing Gear Oil
78
Cleaning Fuel Tank
79
Inspecting and Replacing
80
Anodes
80
Checking Battery (for Electric Start Models)
81
Connecting the Battery
81
Disconnecting the Battery
82
Trouble Recovery
83
Troubleshooting
83
Temporary Action in Emergency
86
Impact Damage
86
Replacing Fuse
86
Power Tilt will Not Operate
87
Starter will Not Operate
87
Emergency Starting Engine (Manual Starter Model)
88
Emergency Starting Engine (Electric Start Model)
89
Treatment of Submerged Motor
91
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Yamaha F20B Specifications
General
Brand
Yamaha
Model
F20B
Category
Outboard Motor
Language
English
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