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Yamaha F225AET - User Manual

Yamaha F225AET
226 pages
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Table of Contents

Questions and Answers

  • J
    John SloanSep 12, 2025
    What to do if Yamaha F225AET Outboard Motor trim gauge always shows fully tilted up position?
    • P
      Peter MerrittSep 12, 2025
      If the trim gauge always shows a fully tilted-up position, the trim sender signal is not being received. Connect the pink lead connectors to each other.
  • N
    Nancy MarshSep 13, 2025
    Why Yamaha F225AET boat speed and/or coolant pressure gauge does not show?
    • J
      jessica81Sep 13, 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.
  • J
    Jack HarveySep 15, 2025
    How to setup Yamaha F225AET Outboard Motor tachometer to show the oil pressure?
    • C
      Corey CastilloSep 15, 2025
      Select the oil press. display.

Summary

Installation

Uncrating Procedure (For Typical Steel Frame)

Procedure for safely uncrating the outboard motor from its steel frame.

Mounting the Outboard Motor

Guidelines and steps for correctly mounting the outboard motor onto the transom.

Propellers

Propeller Selection

Guidance on selecting the most suitable propeller for various applications.

Remote Controls

Remote Control Applications

Overview of different Yamaha remote control applications and models.

Tiller Handles

6 X4 Multi-Function Tiller Handle

Description of the 6X4 multi-function tiller handle.

Conventional Gauge (6 Y5 & 6 Y7)

Analog Tachometer

Details on analog tachometers, applications, and dimensions.

Digital Tachometer

Details on digital tachometers, applications, and dimensions.

Speedometer

Details on speedometers, applications, dimensions, and setup.

Fuel Management Gauge

Details on fuel management gauges, applications, and setup.

Analog Trim Meter

Details on analog trim meters, applications, and adjustments.

Coolant Pressure Meter

Details on coolant pressure meters, applications, and installation.

Coolant Temp. Meter

Details on coolant temp meters, applications, dimensions, and installation.

Hour Meter

Details on hour meters, applications, dimensions, and wiring.

Voltage Meter

Details on voltage meters, applications, dimensions, and wiring.

Fuel Meter

Details on fuel meters, applications, dimensions, and wiring.

Charge Warning Unit

Details on charge warning units, applications, and wiring.

Wiring Diagrams

Collection of wiring diagrams for gauges and systems.

Digital Network Gauge (6 Y8)

Troubleshooting

Troubleshooting common issues with digital network gauges.

Battery

Yamaha F225AET Specifications

General IconGeneral
Engine Type4-Stroke
Gear Ratio1.86:1
Starting SystemElectric
Full Throttle RPM Range5000 - 6000 rpm
Alternator Output at W.O.T.50 Amp
SteeringRemote
ExhaustThrough propeller
Recommended FuelRegular unleaded
Displacement3349 cc
Max Output225 hp @ 5500 rpm
Fuel SystemEFI (Electronic Fuel Injection)
Cylinder ArrangementV6
Shaft Length20 inch

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