Yamaha F20G - Page 2

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EMU25053

Read this manual carefully before operating this outboard motor. Keep this

manual onboard in a waterproof bag when boating. This manual should stay

with the outboard motor if it is sold.

6HY-9-71-1E0.book 1 ページ２０１９年１２月４日　水曜日　午後２時５１分

Main Page

Table of Contents4
Safety Information7
Outboard Motor Safety7
Propeller7
Rotating Parts7
Hot Parts7
Electric Shock7
Power Tilt7
Engine Shut-Off Cord (Lanyard)7
Gasoline8
Gasoline Exposure and Spills8
Carbon Monoxide8
Modifications8
Boating Safety8
Alcohol and Drugs8
Personal Flotation Devices (Pfds)8
People in the Water8
Passengers8
Overloading9
Avoid Collisions9
Collisions with Floating or Submerged Objects9
Weather10
Passenger Training10
Boating Safety Publications10
Laws and Regulations10
General Information11
Identification Numbers Record11
Outboard Motor Serial Number11
Key Number11
EC Declaration of Conformity (Doc)11
CE Marking12
Read Manuals and Labels13
Warning Labels13
Engine Data Recording16
Specifications and Requirements18
Specifications18
Installation Requirements19
Boat Horsepower Rating19
Mounting Outboard Motor19
Remote Control Requirements20
Battery Requirements20
Battery Specifications20
To Install the Battery20
Propeller Selection20
Start-In-Gear Protection21
Engine Oil Requirements21
Fuel Requirements22
Gasoline22
Muddy or Acidic Water23
Anti-Fouling Paint23
Outboard Motor Disposal Requirements23
Emergency Equipment23
Components24
Components Diagram24
Fuel Tank26
Fuel Joint27
Fuel Gauge27
Fuel Tank Cap27
Air Vent Screw27
Remote Control Box27
Remote Control Lever27
Neutral Interlock Trigger28
Neutral Throttle Lever28
Tiller Handle28
Gear Shift Lever28
Throttle Grip29
Throttle Indicator29
Throttle Friction Adjuster30
Engine Shut-Off Cord (Lanyard) and Clip30
Engine Stop Button31
Manual Starter Handle32
Starter Button32
Main Switch32
Power Tilt Switch32
Steering Friction Adjuster33
Variable Trolling RPM Switches34
Trim Tab with Anode34
Trim Rod (Tilt Pin)35
Tilt Lock Mechanism35
Tilt Support Knob35
Tilt Support Bar36
Power Tilt Unit36
Cowling Lock Lever36
Flushing Device37
Alert Indicator37
Instruments and Indicators38
Indicators38
Low Oil Pressure-Alert Indicator38
Overheat-Alert Indicator38
Engine Control System39
Alert System39
Overheat Alert39
Low Oil Pressure Alert39
Installation41
Mounting the Outboard Motor41
Clamping the Outboard Motor43
Operation45
First-Time Operation45
Fill Engine Oil45
Breaking in Engine45
Getting to Know Your Boat45
Checks before Starting Engine45
Fuel Level46
Remove the Top Cowling46
Fuel System46
Controls47
Engine Shut-Off Cord (Lanyard)47
Engine Oil47
Engine48
Flushing Device48
Install Top Cowling48
Checking Power Tilt System49
Battery49
Filling Fuel50
Operating Engine51
Sending Fuel (Portable Tank)51
Starting Engine52
Checks after Starting Engine57
Cooling Water57
Warming up Engine57
Manual Start and Electric Start Models57
Checks after Engine Warm up58
Shifting58
Stop Switches58
Stopping Boat60
Trolling60
Adjusting Trolling Speed60
Stopping Engine60
Procedure61
Trimming Outboard Motor62
Adjusting Trim Angle for Manual Tilt Models62
Adjusting Trim Angle (Power Tilt Models)63
Adjusting Boat Trim64
Tilting up and down64
Procedure for Tilting up (Manual Tilt Models)65
Procedure for Tilting up (Power Tilt Models)66
Procedure for Tilting down (Manual Tilt Models)67
Procedure for Tilting down (Power Tilt Models)68
Shallow Water68
Cruising in Shallow Water (Manual Tilt Models)68
Power Tilt Models70
Cruising in Other Conditions71
Maintenance72
Transporting and Storing Outboard Motor72
Dismounting the Outboard Motor72
Storing Outboard Motor74
Procedure74
Lubrication75
Flushing Power Unit76
Cleaning the Outboard Motor77
Checking Painted Surface of77
Outboard Motor77
Periodic Maintenance77
Replacement Parts77
Severe Operating Conditions78
Maintenance Chart 179
Maintenance Chart 281
Greasing82
Cleaning and Adjusting Spark Plug84
Checking Fuel Filter86
Inspecting Idle Speed86
Changing Engine Oil86
Replacing the Engine Oil Filter89
Why Yamalube90
Inspecting Wiring and Connectors90
Checking Propeller91
Removing Propeller91
Installing Propeller92
Changing Gear Oil93
Inspecting and Replacing Anode(S)94
Checking Battery (for Electric Start Models)94
Connecting the Battery95
Disconnecting the Battery95
Trouble Recovery97
Troubleshooting97
Temporary Action in Emergency100
Impact Damage100
Replacing Fuse100
Power Tilt will Not Operate101
Starter will Not Operate101
Emergency Starting Engine (Manual Start Model)102
Emergency Starting Engine (Electric Start Model)103
Treatment of Submerged Motor104
Index105

Yamaha F20G - Page 2

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