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Yamaha Manuals
Motorcycle
F400A 2022
Service manual
Yamaha F400A 2022 Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
General Information
Model Information
Applicable Model
Model Name Designation
Important Safety and Service Information
Rotating Parts
Hot Parts
Electric Shock
Propeller
Handling of Gasoline
Ventilation
Self-Protection
Lifting Outboard Motors
Handling of Gas Torch
Parts, Lubricants, and Sealants
Handling of Lubricants and Sealants
Special Service Tools
Tightening Torque
Non-Reusable Parts
Disassembly and Assembly
Disposal of Used Components and Chemicals
How to Use this Manual
Conditions When Testing and Adjusting
Abbreviation
Color Code
Specified Tightening Torque
General Tightening Torque
Symbol
Specification Symbol
Lubricant, Sealant, and Thread Locking Agent Symbol
Special Service Tool
Specification
Specification Data
External Dimensions
Technical Feature and Description
Model Feature
General Feature
Model Comparison Table
Power Unit
Intake Silencer
Shift-Shock Reduction
Sleeveless Cylinder
Heat Exhaust Fan and Heat Vent
Direct Fuel Injection
Crankshaft
Camshaft
Cowlings
Bracket Unit
Upper Mount
SBW (Steer by Wire) System
System Diagram
Structure
Operation
Outboard Motor Manual Steering Method
PTT Unit
PTT Sensor
PTT Lead
PTT Totaltilt
Lower Unit
Lower Case
Gear Oil Changing Method
Reverse Thrust
Propeller (XTO-EC Series)
Engine ECM
Electrical System
Charging System (F400A/FL400A/XF400)
Charging System (F450A/FL450A/XF450)
Knocking Detection
Overheat Detection
Electronic Control System
Electrical Components
Fail-Safe
Fuel System
Fuel Diagram
High-Pressure Fuel Pump Control
Low-Pressure Fuel Pump Control
Vapor Separator
Fuel Strainer
Direct Injection Pump
Lubrication System
Lubrication Diagram
Dual Rotor Oil Pump
Oil Drain Plug
Cooling System
Cooling Diagram
Dual Water Pump
Engine Anode
Thermostat
Intake and Exhaust System
Intake and Exhaust Diagram
Hose Routing
Fuel Hose and Blowby Hose
Cooling Water Hose
Rigging Information
Important Reminder on Rigging
Outboard Motor Mounting Instructions
Crate Handling
Crate Top Cover Symbol Description
Uncrating
Uncrating Procedure (Outboard Motor Without Lower Unit)
Uncrating Procedure (Outboard Motor with Lower Unit)
Outboard Motor Mounting
Installing the Outboard Motor
Outboard Motor Mounting Height
Rigging Grommet Mounting
Rigging Grommet Description
Installing the Battery Cable
Installing the Main Wire Harness
Installing the Rigging Grommet
Connecting the Fuel Hose
Optional Equipment
Installing the Isolator Lead
Installing the SCU Communication Lead
Installing Y-COP
Battery Installation
Battery Wiring
System Diagram
Single Outboard Motor Application (Single Station)
Twin Outboard Motor Application (Single Station)
Triple Outboard Motor Application (Single Station)
Quad Outboard Motor Application (Single Station)
Quint Outboard Motor Application (Single Station)
Single Outboard Motor Application (Dual Station)
Twin Outboard Motor Application (Dual Station)
Triple Outboard Motor Application (Dual Station)
Quad Outboard Motor Application (Dual Station)
Quint Outboard Motor Application (Dual Station)
Digital Electronic Control
Digital Electronic Control System Reset
Tilt Limiter
Setting the Tilt Limiter
Clearing the Tilt Limiter
Deactivating the Tilt Limiter
Calibration (6X9 Digital Electronic Control)
CL5 Display Calibration
Configuring the Number of Outboard Motors
Accessing the Calibration Menu
Steering Sensor
Toe Adjust
Lock to Lock
Friction Set
Rigging Recommendation
Battery Cable Length
Extension Length Recommendation for Battery Cable
Propeller Selection
Propeller Size
Selection
Fuel Line Air Purging
Air Purging During Initial Priming
Troubleshooting
Ydis
Connecting the Communication Cable
ECM Reprogramming
Outboard Motor Troubleshooting
Troubleshooting Procedure
Troubleshooting the Power Unit Using the YDIS
Trouble Code and Checking Step
Troubleshooting Procedure (Trouble Code Not Detected)
Troubleshooting the Power Unit
Troubleshooting the PTT Unit
Troubleshooting the Lower Unit
Electrical System
Electrical Component and Wire Harness Routing
Port
Starboard
Rear
Front
Top
Fuse Holder (Electrical Management Box)
Bottom Cowling
ECM Circuit Diagram
ECM Coupler Layout
Checking the Electrical Component
Using the YDIS
Using the Digital Tester
Engine Control Unit and Component
Checking the Main Relay
Checking the Engine ECM Circuit
Checking the Electrical Management Box
Checking the ETV and TPS
Checking the ETV Motor Relay
Checking the SPS
Checking the Shift Actuator Relay
Checking the Shift Actuator
Checking the Cam Position Sensor
Checking the OCV
Checking the Oil Pressure Sensor
Checking the Water Pressure Sensor
Fuel Control Unit and Component
Checking the Injector Driver Circuit
Checking the Water Detection Switch
Checking the Fuel Injector
Checking the Low-Pressure Fuel Pump and High-Pressure Fuel Pump
Checking the Direct Injection Pump
Checking the Low-Pressure Fuel Pump Relay
Checking the High-Pressure Fuel Pump Relay
Checking the Fuel Pressure Sensor
Charging Unit and Component
Checking the Lighting Coil (Stator Assembly)
Checking the Rectifier/Regulator
Ignition Unit and Component
Checking the Ignition Spark
Checking the Ignition Coil
Checking the Crankshaft Position Sensor
Checking the Intake Air Pressure/Temperature Sensor
Checking the Engine Temperature Sensor
Checking the Thermo Sensor
Checking the Knock Sensor
Checking the Engine Shut-Off Switch (6X6)
Checking the Engine Shut-Off Switch (EKS)
Starting Unit and Component
Checking the Starter Relay
Checking the Engine Start Switch and Main Switch (6X6)
Checking the Engine Start/Stop Button (6X6)
Checking the Power Switch (EKS)
Checking the Start/Stop Button (EKS)
Checking Y-COP
Starter Motor
Removing the Starter Motor
Checking the Starter Motor Pinion
Disassembling the Starter Motor
Checking the Armature (Starter Motor)
Checking the Brush Holder
Assembling the Starter Motor
Installing the Starter Motor
Outboard Motor and Digital Electronic Control Connection
Checking the Extension Wire Harness
Checking the Main Harness
Steering Unit
Checking the Steering Actuator
PTT System
Fuel System
Fuel System Basic Procedure
Starting the Engine after Running out of Fuel
Reducing the Fuel Pressure
Disconnecting the Quick Connector
Measuring the Fuel Pressure
Fuel Filter Assembly
Checking the Fuel Filter Assembly
Checking the Fuel Filter Element
Checking the Fuel Cup Assembly
Checking the Primer Pump
Assembling the Fuel Filter
Installing the Fuel Filter
Low-Pressure Fuel Pump
Checking the Low-Pressure Fuel Pump
Checking the Feed Valve (Low-Pressure Fuel Pump)
Checking the Relief Valve (Low-Pressure Fuel Pump)
Installing the Low-Pressure Fuel Pump
Vapor Separator and High-Pressure Fuel Pump
Draining the Fuel
Removing the Vapor Separator
Checking the High-Pressure Fuel Pump
Assembling the Vapor Separator
Installing the Vapor Separator
Fuel Hose Assembly
Fuel Hose, Feed Valve, Relief Valve, and Fuel Strainer
Disassembling the Fuel Hose Assembly
Checking the Fuel Strainer
Checking the Relief Valve (High-Pressure Fuel Pump)
Checking the Feed Valve (High-Pressure Fuel Pump)
Checking the Fuel Pressure Sensor (High-Pressure Fuel Pump)
Assembling the Fuel Hose Assembly
Installing the Fuel Hose Assembly
Direct Injection Pump and Fuel Injector
Removing the Fuel Rail
Removing the Fuel Injector
Checking the Fuel Pressure Sensor (Direct Injection Pump)
Checking the Direct Injection Pump
Checking the Fuel Rail and Fuel Injector
Installing the Fuel Injector and Fuel Rail
Intake Manifold
Checking the Intake Manifold
Installing the Intake Manifold
Etv
Checking the ETV
Checking the Intake Air Pressure/Temperature Sensor
Installing the ETV and Surge Tank
Power Unit
Power Unit (Check and Adjustment)
Checking the Compression Pressure
Checking the Oil Pressure
Checking the Valve Clearance
Adjusting the Valve Clearance
Shroud Cover and Terminal Cover
Installing the Shroud Cover and Terminal Cover
Exhaust Joint (Outside)
Removing the Exhaust Joint Assembly
Disassembling the Exhaust Joint Assembly
Checking the Exhaust Joint
Checking the Exhaust Joint Anode
Checking the Water Pressure Sensor
Installing the Exhaust Joint Assembly
Exhaust Joint (Inside)
Removing the Exhaust Joint
Checking the Exhaust Joint
Checking the Exhaust Joint Anode
Installing the Exhaust Joint
Power Unit Assembly
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Table of
Contents
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Chapters
Table of Contents
3
Technical Feature and Description
27
Rigging Information
90
Troubleshooting
173
Electrical System
209
Fuel System
266
Power Unit
297
Lower Unit
397
Bracket Unit
466
Table of Contents
Troubleshooting
Troubleshooting
173
Outboard motor troubleshooting
177
Troubleshooting procedure (trouble code not detected)
198
Troubleshooting the PTT unit
206
Troubleshooting the lower unit
208
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This manual is also suitable for:
Fl400a 2022
F450a 2022
Fl450a 2022
Xf400 2022
Xf450 2022
F450avt 2022
...
Show all
Fl450avt 2022
F400ast 2022
Fl400ast 2022
Xf450sa 2022
Xf400sa 2022
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