Yamaha WaveRunner FX140 - Service Manual

Other manuals for Yamaha WaveRunner FX140

Service Guide70 pages

Supplemental Service Manual126 pages

Assembly Manual60 pages

Questions and Answers

M
martintheresaJul 31, 2025
What to do if communication cable error occurs on Yamaha WaveRunner FX140?
- A
  Amanda HudsonJul 31, 2025
  If you encounter a communication cable error on your Yamaha Boat, it could be due to several reasons: the communication cable might be disconnected (connect the communication cable between the computer’s communication port and the 3-pin communication coupler of the watercraft), the battery might be disconnected from the watercraft (connect the battery to the watercraft), or the battery voltage might be below 12V (connect a battery of 12V or higher).
D
drakeerikaAug 5, 2025
What to do if database error occurs on Yamaha WaveRunner FX140 Boat?
- T
  Tanya PayneAug 5, 2025
  If a database error occurs on your Yamaha Boat, try updating the database again. If you see the error message “System file not found ######.###.”, it means the database isn't compatible with the ECM. Update the database to match the ECM.
S
Sandra GonzalezAug 10, 2025
Why Yamaha WaveRunner FX140 Boat application does not start?
- C
  Carlos MaddoxAug 10, 2025
  Your Yamaha Boat application might not start because the computer hardware doesn't meet the application's requirements. Ensure your computer meets the specified hardware requirements. Another reason could be that YDIS.exe is missing from the application directory; if so, reinstall the application. Finally, ensure that another service tool application isn't already running, as simultaneous operation isn't supported.
A
Alejandro FisherAug 15, 2025
What to do if application error occurs on Yamaha WaveRunner FX140?
- V
  victoria22Aug 15, 2025
  If an application error occurs on your Yamaha Boat, reinstall the program file or database file.
J
Jeremy LucasAug 20, 2025
What to do if stationary test can't be canceled on Yamaha WaveRunner FX140 Boat?
- Y
  ypaceAug 20, 2025
  If you can't end the stationary or active test on your Yamaha Boat, even after clicking Cancel, it's likely that the Execute and Cancel buttons have been clicked excessively, causing the ECM or PC to malfunction. Turn off your PC, push the engine stop switch, and reset the ECM.
J
James PerkinsAug 26, 2025
How to fix incorrect fonts on Yamaha WaveRunner FX140 screen?
- J
  Jason ReedAug 26, 2025
  Incorrect fonts on the Yamaha Boat screen may appear if the computer language doesn't match the application requirements. Use a computer that operates the required operating system.

Summary

CHAPTER 1 GENERAL INFORMATION

IDENTIFICATION NUMBERS

Details regarding primary ID, engine serial, jet pump, and hull identification numbers.

SAFETY WHILE WORKING

Information on fire prevention, ventilation, self-protection, and handling of hazardous materials.

CHAPTER 2 SPECIFICATIONS

GENERAL SPECIFICATIONS

TIGHTENING TORQUES

Lists specified torques for fasteners, crucial for correct assembly and preventing damage.

CHAPTER 4 FUEL SYSTEM

FUEL TANK AND FUEL PUMP MODULE

Details exploded view, removal/installation chart, and service points for fuel tank and pump.

FUEL INJECTION SYSTEM

Covers exploded diagrams, removal/installation charts, and service points for fuel injection components.

CHAPTER 5 POWER UNIT

ENGINE UNIT

Provides exploded diagrams, removal/installation charts, and service points for the engine unit.

OIL TANK

CHAPTER 6 JET PUMP UNIT

INTAKE GRATE, RIDE PLATE, AND INTAKE DUCT

JET PUMP UNIT

Provides exploded diagrams and removal/installation charts for the jet pump unit.

IMPELLER DUCT AND DRIVE SHAFT

CHAPTER 7 ELECTRICAL SYSTEM

ELECTRICAL BOX AND IGNITION COIL BOX

Details exploded diagram, removal/installation chart, and service points for the electrical box and ignition coil box.

ELECTRICAL ANALYSIS

IGNITION SYSTEM

Covers wiring diagrams, spark plug gap, ignition system peak voltage, battery, fuses, spark plugs, and ignition coil.

CHAPTER 8 HULL AND HOOD

HANDLEBAR

STEERING CONSOLE COVER

REMOTE CONTROL CABLES AND SPEED SENSOR LEAD

CHAPTER 9 TROUBLE ANALYSIS

GETTING STARTED

OPERATING

Explains how to connect the computer, open the diagnostic system, select commands, and perform tests.

TROUBLESHOOTING

Offers a chart to diagnose common problems and their corresponding solutions or reference chapters.

Yamaha WaveRunner FX140 Specifications

General

Manufacturer	Yamaha
Model	WaveRunner FX140
Fuel Capacity	18.5 gallons
Length	132.7 inches
Horsepower	140 hp
Starter System	Electric
Lubrication System	Wet Sump
Category	Personal Watercraft (PWC)
Engine Type	4-Cylinder, 4-Stroke
Displacement	1052cc
Fuel Type	Gasoline
Seating Capacity	3
Fuel Delivery	Electronic Fuel Injection (EFI)
Cooling System	Water-cooled
Passenger Capacity	3