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Yamaha F80BET - Service Manual

Yamaha F80BET
249 pages
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F80B
F100D
SERVICE MANUAL
6D9-28197-3G-11

Table of Contents

Other manuals for Yamaha F80BET

Questions and Answers

  • D
    Devin WallSep 23, 2025
    Why doesn't my Yamaha F80BET Outboard Motor boat speed gauge show?
    • C
      Christina BriggsSep 23, 2025
      If the boat speed and/or coolant pressure gauge isn't showing, it means the optional sensor hasn't been installed. Install the optional sensor to fix this.
  • Z
    zcooleyAug 25, 2025
    What to do if the Yamaha F80BET gauge display does not wake up?
    • R
      robert75Aug 25, 2025
      If the gauge display doesn't wake up, it could be due to a lack of electrical power or a damaged gauge. Try these steps: replace the fuse, securely connect the couplers, replace any damaged wires or hubs, or, if necessary, replace the gauge itself.
  • T
    tina32Aug 25, 2025
    Why Yamaha Outboard Motor illumination does not light?
    • S
      Sandra GonzalezAug 26, 2025
      If the illumination does not light, it could be due to a lack of electrical power or a damaged gauge. You should try replacing the fuse, connecting the couplers securely, replacing the damaged wire or hub, or replacing the gauge.
  • K
    Katherine MurrayAug 27, 2025
    How to fix Yamaha F80BET tachometer showing incorrect engine RPM?
    • A
      Andrew GreenAug 27, 2025
      If the tachometer shows an incorrect engine RPM, the engine recognition might be wrong (especially for multi-applications). To correct this, push the 'SET' button for 10 seconds to default the engine number, then memorize each engine number again.
  • D
    Daniel BradfordAug 27, 2025
    What causes Yamaha F80BET fuel management gauge to show incorrect remaining fuel?
    • A
      Andrew FloresAug 27, 2025
      If the fuel management gauge shows incorrect remaining fuel, the fuel capacity setting may be wrong (specifically for SQR Fuel mgt Gauge). Fill the tank with fuel, and set the correct fuel tank capacity.
  • D
    Daniel McdonaldSep 14, 2025
    Why does my Yamaha Outboard Motor fuel management gauge show incorrect remaining fuel?
    • J
      Jill OlsonSep 14, 2025
      If the fuel management gauge shows incorrect remaining fuel, the fuel capacity setting is probably wrong. Fill the tank with fuel, and then set the correct fuel tank capacity.
  • P
    Patricia LopezSep 12, 2025
    What to do if my Yamaha F80BET Outboard Motor speedometer shows the incorrect fuel level?
    • J
      Joseph ParkerSep 12, 2025
      If the speedometer shows an incorrect fuel level, the fuel sensor selection is likely wrong. You should set up the fuel sensor to the correct resistance.
  • M
    millerbradleySep 13, 2025
    What does it mean when my Yamaha Outboard Motor gauge shows “----”?
    • D
      Douglas BridgesSep 13, 2025
      If the gauge shows “----”, it indicates that the digital signal is not being received. Make sure the couplers are securely connected and replace any damaged bus wires or hubs.
  • M
    Mark PenaSep 5, 2025
    Why Yamaha F80BET Outboard Motor boat speed and/or coolant pressure gauge does not show?
    • K
      Kara BoydSep 5, 2025
      If the boat speed and/or coolant pressure gauge does not show, it is likely that the optional sensor has not been installed. Install the optional sensor.
  • K
    Kimberly AnthonySep 2, 2025
    What causes Yamaha F80BET gauge response to be poor or down?
    • M
      Michelle CarrollSep 2, 2025
      If the gauge response is poor or down, a market obtainable unit connected to the system may have failed, or the signal volume has exceeded 50% of the capacity. Try replacing the unit or removing the heavy signal output unit.

Summary

General Information

Safety While Working

Procedures to prevent accidents and ensure quality service.

Predelivery Checks

Essential checks for smooth delivery and operation.

Specifications

Maintenance Specification

Detailed maintenance specifications for various engine components.

Tightening Torques

Torque values for various fasteners throughout the manual.

Fuel System

Fuel Filter and Fuel Pump

Procedures for checking and disassembling the fuel filter and pump.

Power Unit

Cylinder Head

Procedures for removing, checking, and installing cylinder head components.

Cylinder Block

Procedures for disassembling, checking, and assembling the cylinder block.

Bracket Unit

Power Trim and Tilt Unit

Procedures for removing and installing the power trim and tilt unit.

Power Trim and Tilt Motor

Procedures for disassembling, checking, and assembling the power trim and tilt motor.

Gear Pump

Procedures for disassembling, checking, and assembling the gear pump.

Tilt Cylinder and Trim Cylinder

Procedures for disassembling, checking, and assembling tilt/trim cylinders.

Electrical Systems

Checking the Electrical Components

Procedures for measuring peak voltage and resistance.

Ignition and Ignition Control System

Checks for ignition spark, wires, coils, ECM, pulser coils, and sensors.

Starter Motor

Procedures for disassembling, checking, and operating the starter motor.

Troubleshooting

Yamaha Diagnostic System

Introduction to the diagnostic system features and functions.

Power Unit

Troubleshooting steps for power unit issues like engine not cranking.

Self-Diagnosis

Procedures for diagnosing electronic control system malfunctions using flash patterns.

Yamaha F80BET Specifications

General IconGeneral
BrandYamaha
ModelF80BET
CategoryOutboard Motor
LanguageEnglish

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