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Yamaha F9.9FE - User Manual

Yamaha F9.9FE
226 pages
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Table of Contents

Questions and Answers

  • J
    Jaclyn WoodsAug 18, 2025
    What to do if Yamaha F9.9FE Outboard Motor fuel management gauge shows incorrect fuel consumption?
    • M
      Mark LangAug 18, 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.
  • D
    Debbie HeathAug 20, 2025
    What to do if the Yamaha F9.9FE gauge display does not wake up?
    • M
      mariamathewsAug 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.
  • Y
    yvette44Aug 23, 2025
    Why Yamaha F9.9FE illumination does not light?
    • S
      sherrimeadowsAug 23, 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.
  • A
    Allison CoxAug 26, 2025
    How to fix Yamaha F9.9FE Outboard Motor tachometer showing incorrect engine RPM?
    • E
      Eric DaltonAug 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.
  • J
    John ScottAug 28, 2025
    What causes Yamaha F9.9FE fuel management gauge to show incorrect remaining fuel?
    • R
      ryansandersAug 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.
  • M
    Marc HunterAug 30, 2025
    What to do if Yamaha F9.9FE Outboard Motor gauge shows “----”?
    • D
      Danny MasonAug 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.
  • B
    Brenda GibsonSep 1, 2025
    Why Yamaha F9.9FE Outboard Motor Speedometer or Comb. Speedometer & Fuel mgt gauge shows incorrect fuel level?
    • J
      Joe HoganSep 1, 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.
  • J
    jamesandersonSep 3, 2025
    How to fix Yamaha Outboard Motor trim gauge showing incorrect position?
    • T
      Todd WilliamsSep 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.
  • T
    Teresa RoySep 6, 2025
    Why Yamaha F9.9FE gauge operates unstably?
    • T
      tewingSep 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.
  • J
    Jeremy DanielsSep 8, 2025
    What causes Yamaha Outboard Motor gauge response to be poor or down?
    • M
      Mr. Nicholas UnderwoodSep 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

Uncrating Procedure (For Typical Steel Frame)

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

Mounting the Outboard Motor

Guidelines for correctly positioning and mounting the outboard motor onto the boat transom.

Adjusting Twin Motors

Instructions for setting twin motors in the toe-out position for optimal wake performance.

Mounting the Remote Oil Tank

Instructions for installing the remote oil tank for 2-stroke V4 and V6 oil injection engines.

Propellers

Propeller Selection

Guidance on selecting the appropriate propeller based on engine and application needs.

Remote Controls

Remote Control Applications

Overview of Yamaha's throttle control systems and applications for various remote control models.

Tiller Handles

6 x4 Multi-Function Tiller Handle

Describes the features and electrical functions of the multi-function tiller handle for various engine models.

Conventional Gauge (6 Y5 & 6 Y7)

Mounting the Meters

Step-by-step guide for installing and mounting gauges, including angle and clearance requirements.

Analog Tachometer

Information on analog tachometers, essential for monitoring engine speed and ensuring efficient operation.

Digital Tachometer

Details on digital tachometers, including elapsed hour, trim, and oil warning indicator functions.

Speedometer

Explains how the speedometer measures boat speed using water impact force and lists applications.

Fuel Management Gauge

Describes the functions of the fuel management gauge, including fuel flow, consumption, economy, and warnings.

Fuel Meter

Charge Warning Unit

Wiring Diagrams

Wire Color Code

Comprehensive table detailing wire colors, Yamaha standard, ABYC standard, and main usage for electric wires.

Digital Meter Single-Motor 250 G

Wiring diagram for a single-motor digital meter setup on a 250G engine, including fuel, speed, and tachometer connections.

Digital Meter Single-Motor w; Side-Mount RC 115-300 w; oil injection (except 250 G), F115-F250

Wiring diagram for single-motor digital meters with side-mount remote control for 115-300 HP engines.

Digital Meter Single-Motor w; Binnacle RC 115-300 w; oil injection (except 250 G), F115-F250

Wiring diagram for single-motor digital meters with binnacle remote control for 115-300 HP engines.

Digital Meter Twin-Motor w; Binnacle RC L;250 G

Wiring diagram for twin-motor digital meters with binnacle remote control for L/250G engines.

Digital Meter Twin-Motor w; Binnacle RC 115-300 w; oil injection (except L;250 G), F115-F250

Wiring diagram for twin-motor digital meters with binnacle remote control for 115-300 HP engines.

Analog Meter (6 Y7) 2-Stroke Engines L;250 G & Premixed engines

Wiring diagram for analog meters used with 2-stroke engines, including L/250G and premixed models.

Analog Meter (6 Y7) 2- and 4-Stroke Engines 40 [3-cyl.]-300 w; oil injection (except L;250 G), F30-F250

Wiring diagram for analog meters used with 2- and 4-stroke engines, covering various models and oil injection types.

Analog Tachometer 4-stroke engine

Wiring diagrams for analog tachometers with 4-stroke engines, showing connections via EXT wire harness and adapters.

Digital Tachometer 4-stroke engine

Wiring diagrams for digital tachometers with 4-stroke engines, detailing connections through wire harnesses and adapters.

2-stroke engine (HPDI engines: 2007-, carbureted engines w; oil injection: 2008-)

Wiring diagrams for digital tachometers with 2-stroke HPDI and carbureted engines, including adapter connections.

Digital Network Gauge (6 Y8)

Digital Network Gauge Compatible Model

Lists engine models compatible with digital network gauges, including electronic fuel injected and HPDI engines.

Digital Network Gauge Application Square Style Gauge Application

Describes the application of square style digital gauges with large display and dot matrix design.

Wiring Diagrams

Wiring diagrams for various engine types (Mechanical RC, HPDI) and configurations (Single, Twin, Triple) using digital network gauges.

Initial Gauge Setup

Instructions for initial setup of digital network gauges, especially for multi-engine installations.

Troubleshooting

Table detailing common system or gauge issues, their causes, measures, and notes for troubleshooting.

Battery

Recommended Battery

Guidance on selecting the correct battery capacity and type, emphasizing compatibility with Yamaha's charging system.

Battery Wiring

Instructions for battery wiring, including isolator-equipped models and twin-battery setups.

Appendix

Pre-Delivery Inspection (PDI) Checks

A comprehensive checklist for pre-delivery inspection to ensure customer satisfaction and proper operation.

Yamaha F9.9FE Specifications

General IconGeneral
BrandYamaha
ModelF9.9FE
CategoryOutboard Motor
LanguageEnglish

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