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Yamaha F50FET - User Manual

Yamaha F50FET
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Table of Contents

Questions and Answers

  • K
    Kristin BennettAug 19, 2025
    What to do if Yamaha F50FET fuel management gauge shows incorrect fuel consumption?
    • N
      nicholsonsusanAug 19, 2025
      If the fuel management gauge shows incorrect fuel consumption, the engine recognition might be wrong (especially for multi-applications). To fix this, default the engine number and turn the key switch on in order from the portside engine to re-memorize each engine number.
  • J
    John SantosAug 21, 2025
    What to do if the Yamaha F50FET Outboard Motor gauge display does not wake up?
    • J
      James SmithAug 21, 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.
  • S
    sherry31Aug 23, 2025
    Why Yamaha F50FET illumination does not light?
    • K
      Kayla MolinaAug 25, 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.
  • S
    Sharon BakerAug 26, 2025
    How to fix Yamaha F50FET tachometer showing incorrect engine RPM?
    • A
      Alan ThompsonAug 26, 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.
  • E
    Elizabeth HamptonAug 28, 2025
    What causes Yamaha F50FET Outboard Motor fuel management gauge to show incorrect remaining fuel?
    • D
      dsmallAug 28, 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.
  • A
    Alyssa MitchellAug 30, 2025
    What to do if Yamaha F50FET Outboard Motor gauge shows “----”?
    • T
      Timothy MarshAug 30, 2025
      If the gauge displays '----', it indicates that the digital signal is not being received. Check that the couplers are securely connected and replace any damaged bus wires or hubs.
  • R
    ramoskatherineSep 1, 2025
    Why Yamaha Outboard Motor Speedometer or Comb. Speedometer & Fuel mgt gauge shows incorrect fuel level?
    • C
      Carolyn CooperSep 2, 2025
      If the speedometer or combination speedometer & fuel management gauge shows an incorrect fuel level, the fuel sensor selection is likely wrong. Set up the fuel sensor to the correct resistance.
  • C
    Carrie LandrySep 4, 2025
    How to fix Yamaha Outboard Motor trim gauge showing incorrect position?
    • M
      Misty SandersSep 4, 2025
      If the trim gauge shows an incorrect position, the initial position setting might be wrong, or the trim sender could be damaged. Put the motor in the fully trimmed-in position and reset the initial (zero) trim angle. If that doesn't work, replace the trim sender.
  • V
    vazquezmarySep 6, 2025
    Why Yamaha F50FET gauge operates unstably?
    • C
      cannonmadisonSep 6, 2025
      If the gauge operates unstably, it could be because a resistor is not connected to the ending hubs. Connect the gray 6-pin cap to the ending multi-hubs.
  • C
    Christopher HuntSep 8, 2025
    What causes Yamaha F50FET gauge response to be poor or down?
    • J
      Jennifer DiazSep 8, 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

INSTALLATION

TOP COVER PICTOGRAPH DESCRIPTION

Describes important pictographs for handling the crate to avoid product damage during transport and storage.

UNCRATING PROCEDURE (FOR TYPICAL STEEL FRAME)

Step-by-step instructions for uncrating the outboard motor from its steel frame.

MOUNTING THE OUTBOARD MOTOR

Guidance on motor mounting height, transom centerline alignment, and hole marking.

PROPELLERS

PROPELLER SPECIFICATIONS

Overview of Yamaha propeller types and their design features for optimal performance.

PROPELLER SELECTION

Guidance on choosing the correct propeller pitch for different operating loads and engine speeds.

REMOTE CONTROLS

REMOTE CONTROL APPLICATIONS

Details on throttle control systems (Push To Open/Pull To Open) and applicable models.

REMOTE SWITCH APPLICATIONS

Information on various switch panels, including IG, emergency stop, and PT/T switches.

TILLER HANDLES

6 X4 MULTI-FUNCTION TILLER HANDLE

Features and electrical functions of the 6x4 tiller handle, including integrated switches.

MULTI-FUNCTION TILLER HANDLE KIT (FOR US)

Details the US kit components, including bracket, harness lengths, and control cables.

MULTI-FUNCTION TILLER HANDLE KIT (FOR JAPAN)

Kit contents for the Japanese multi-function tiller handle, specifying parts for F50-F90.

CONVENTIONAL GAUGE (6 Y5 & 6 Y7)

MOUNTING THE METERS

Procedures for installing gauges, including mounting location and wiring.

ANALOG TACHOMETER

Explains the analog tachometer's function and pole number setup for engine RPM.

DIGITAL TACHOMETER

Details the digital tachometer's features, including elapsed hour and trim meter.

SPEEDOMETER

Describes the speedometer's operation, calibration, and LCD features.

FUEL MANAGEMENT GAUGE

Explains the fuel management gauge's functions and its integration with GPS or speedometer.

DIGITAL NETWORK GAUGE (6 Y8)

DIGITAL NETWORK GAUGE APPLICATION

Describes the application of square and round style digital network gauges.

WIRING DIAGRAMS

Wiring diagrams for single, twin, and triple engine configurations with digital network gauges.

INITIAL GAUGE SETUP

Procedures for initial setup and engine recognition for digital network gauges.

TROUBLESHOOTING

Common troubleshooting steps for system and gauge issues.

BATTERY

RECOMMENDED BATTERY

Guidance on selecting the appropriate battery type and capacity for Yamaha outboards.

BATTERY WIRING

Wiring instructions for single and multi-engine battery setups, including isolator use.

Yamaha F50FET Specifications

General IconGeneral
Compression Ratio9.4:1
Fuel Induction SystemEFI (Electronic Fuel Injection)
Starting SystemElectric
Lubrication SystemWet Sump
Gear Ratio2.15:1
Cooling SystemWater Cooled
Full Throttle RPM Range5000 - 6000 RPM
Engine Type4-Stroke
Displacement996 cc
Max Output50 hp
Ignition SystemTCI (Transistor Controlled Ignition)
Prop Shaft Length508 mm (20 in)
Recommended FuelRegular Unleaded
Recommended Engine OilYamalube 4M
Gear ShiftF-N-R
SteeringRemote
Warranty3 Years

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