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Yamaha F250AET - User Manual

Yamaha F250AET
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90894-62983-01Worldwide Edition
RIGGING GUIDE
2014

Table of Contents

Questions and Answers

  • H
    haileyhendersonSep 23, 2025
    Why doesn't my Yamaha F250AET Outboard Motor boat speed gauge show?
    • J
      jaybennettSep 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.
  • J
    Joseph WarrenAug 25, 2025
    What to do if the Yamaha F250AET gauge display does not wake up?
    • J
      Julian BergerAug 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.
  • G
    Gregory ObrienAug 25, 2025
    Why Yamaha Outboard Motor illumination does not light?
    • W
      Wesley CherryAug 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.
  • A
    Aaron RobinsonAug 27, 2025
    How to fix Yamaha F250AET tachometer showing incorrect engine RPM?
    • L
      Lindsey AguilarAug 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.
  • V
    Vanessa Ruiz MDAug 27, 2025
    What causes Yamaha Outboard Motor fuel management gauge to show incorrect remaining fuel?
    • W
      Wayne MurphyAug 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.
  • A
    aguilarjulieSep 14, 2025
    Why does my Yamaha F250AET Outboard Motor fuel management gauge show incorrect remaining fuel?
    • G
      gwilkersonSep 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.
  • K
    Kenneth EwingSep 12, 2025
    What to do if my Yamaha Outboard Motor speedometer shows the incorrect fuel level?
    • L
      Lauren BaileySep 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.
  • G
    gcastroSep 13, 2025
    What does it mean when my Yamaha Outboard Motor gauge shows “----”?
    • M
      michelle42Sep 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.
  • D
    David FrostSep 4, 2025
    Why Yamaha F250AET Outboard Motor boat speed and/or coolant pressure gauge does not show?
    • J
      Jason ChanSep 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 KeySep 2, 2025
    What causes Yamaha Outboard Motor gauge response to be poor or down?
    • K
      kathrynhillSep 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

INSTALLATION

MOUNTING THE OUTBOARD MOTOR

Instructions for properly mounting the outboard motor onto the boat transom.

PROPELLERS

PROPELLER SELECTION

Guidance on choosing the correct propeller based on boat type and operating conditions.

2014 PROPELLER APPLICATIONS

Lists propeller applications by engine model and specifications for the 2014 season.

REMOTE CONTROLS

REMOTE CONTROL TYPES AND APPLICATIONS

Overview of different remote control systems and their usage.

DIGITAL ELECTRONIC REMOTE CONTROL WIRE HARNESS

Specific wire harnesses for electronic remote control systems.

TILLER HANDLES

6 X4 MULTI-FUNCTION TILLER HANDLE

Describes the features and functions of the multi-function tiller handle.

CONVENTIONAL GAUGE (6 Y5 & 6 Y7)

ANALOG TACHOMETER

Details on analog tachometers, their applications, and dimensions.

DIGITAL TACHOMETER

Information on digital tachometers, including applications and dimensions.

SPEEDOMETER

Data on speedometer types, applications, dimensions, and installation.

FUEL MANAGEMENT GAUGE

Features, applications, dimensions, and setup for the fuel management gauge.

ANALOG TRIM METER

Information on analog trim meters, including applications, dimensions, and adjustment.

WIRING DIAGRAMS

Representative wiring diagrams for remote controls and instruments.

DIGITAL NETWORK GAUGE (6 Y8)

DIGITAL NETWORK GAUGE COMPATIBLE MODELS

Lists outboard models compatible with digital network gauges.

INITIAL GAUGE SETUP

Procedures for setting up digital gauges, especially when multiple engines are involved.

TROUBLESHOOTING

Common issues, causes, and solutions for digital gauges.

DIGITAL NETWORK PREMIUM GAUGE (6 Y9)

DIGITAL NETWORK PREMIUM GAUGE COMPATIBLE MODELS

Lists outboard models compatible with premium digital network gauges.

NETWORK WIRING DIAGRAMS

Visual wiring diagrams for various single and dual station configurations.

BATTERY

RECOMMENDED BATTERY

Guidance on selecting batteries with appropriate capacity and CCA ratings.

BATTERY WIRING

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

Yamaha F250AET Specifications

General IconGeneral
Max Output250 hp
Prop Shaft Horsepower250 hp
Full Throttle RPM Range5000 - 6000 RPM
Compression Ratio10.3:1
Gear Ratio1.75:1
Starting SystemElectric
LubricationWet sump
SteeringRemote
ExhaustThrough Propeller
Engine Type4-Stroke
Displacement4169 cc
Fuel Induction SystemElectronic Fuel Injection
Recommended FuelRegular Unleaded
Recommended OilYamalube 4M
Cooling SystemWater-cooled
Shaft Length25 inch
IgnitionTCI

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