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Yamaha 85AED - User Manual

Yamaha 85AED
329 pages
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90894-62983-01Worldwide Edition
RIGGING GUIDE
2014

Table of Contents

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Questions and Answers

  • O
    ogibsonSep 18, 2025
    Why is my Yamaha Outboard Motor gauge operating unstably?
    • T
      Tracy ConnerSep 18, 2025
      If the gauge operates unstably, it's likely that the resistor isn't connected to the ending hubs. Connect the gray 6-pin cap to the ending multi-hubs to resolve this.
  • R
    Robert NicholsAug 25, 2025
    Why Yamaha Outboard Motor PTT unit does not hold the outboard motor up?
    • M
      Mrs. Kimberly AndersonAug 25, 2025
      If your Yamaha Outboard Motor's PTT unit isn't holding the motor up, a possible cause is that the manual valve is opened; check the manual valve. Also, there might not be enough PTT fluid, so ensure you add sufficient fluid. Another reason could be PTT fluid leakage; in this case, check the PTT unit for leakage. Finally, the main valves might not be operating, requiring you to disassemble and inspect the PTT unit.
  • S
    sarah43Aug 25, 2025
    What to do if the Yamaha Outboard Motor gauge display does not wake up?
    • S
      Sandra MooreAug 26, 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
    Travis EdwardsAug 27, 2025
    Why Yamaha Outboard Motor illumination does not light?
    • E
      ellenmillerAug 27, 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.
  • P
    pingramSep 22, 2025
    Why is the Yamaha 85AED gauge response poor?
    • G
      garrett50Sep 22, 2025
      If the gauge response is poor, a market obtainable unit connected to the system may have failed, or the signal volume has exceeded 50% of the capacity. Replace the faulty unit or remove the heavy signal output unit.
  • R
    Robert JonesSep 23, 2025
    Why doesn't my Yamaha 85AED Outboard Motor boat speed gauge show?
    • M
      Meredith MunozSep 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.
  • S
    Samuel ClarkSep 9, 2025
    What to do if my Yamaha 85AED Outboard Motor gauge display does not wake up?
    • R
      Rebecca BensonSep 10, 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 replace the gauge itself.
  • K
    Kenneth PerezSep 12, 2025
    Why is the illumination not lighting on my Yamaha 85AED Outboard Motor gauge?
    • D
      David McdowellSep 12, 2025
      If the illumination isn't lighting, it could be because of a power issue or a damaged gauge. You should try replacing the fuse, ensuring the couplers are securely connected, replacing any damaged wires or hubs, or replacing the gauge.
  • M
    margaret90Sep 3, 2025
    What to do if Yamaha 85AED trim gauge always shows fully tilted up position?
    • F
      friggsSep 3, 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.
  • A
    Alejandro WilsonSep 1, 2025
    Why Yamaha 85AED gauge operates unstably?
    • L
      lisahowellSep 1, 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.

Summary

Rigging Guide

Installation Guide

Uncrating Procedure for Steel Frame

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

Mounting the Outboard Motor

Guidance on proper outboard motor mounting for optimal performance and reliability.

Propellers

Propeller Selection Guide

Guidance on selecting the appropriate propeller based on application and operating load.

Remote Controls

Tiller Handles

6 x4 Multi-Function Tiller Handle

Describes the tiller handle and its electrical functions, similar to side mount remote control box.

Wiring Diagram (US Models)

Provides a wiring diagram for the 6x4 multi-function tiller handle (US models).

Conventional Gauge (6 Y5 & 6 Y7)

Mounting the Meters

Procedures for installing gauges, including location selection and stud mounting.

Analog Tachometer

Essential gauge for monitoring engine speed for optimal performance and accurate operation.

Fuel Management Gauge

Functions as fuel flow, consumption, economy gauge, and RPM synchronizer.

Wiring Diagrams

Provides representative wiring diagram samples for remote controls and instruments.

Digital Network Gauge (6 Y8)

Network Wiring Diagrams

Illustrates wiring configurations for various engine applications (single, twin, triple).

Troubleshooting Common Gauge Issues

Table outlining common system or gauge problems, their causes, measures, and notes.

Digital Network Premium Gauge (6 Y9)

Network Wiring Diagrams (6 Y9 Gauge)

Illustrates wiring configurations for single, twin, and quad engine applications with 6Y9 gauges.

Battery Information

Recommended Battery Specifications

Details battery capacity requirements for proper engine start-up and performance maintenance.

Yamaha 85AED Specifications

General IconGeneral
Fuel Induction SystemCarburetor
Starting SystemManual
Ignition SystemCDI
Max Power Output4.5 kW (6.1 hp) at 5500 rpm
Full Throttle RPM Range5, 000 - 6, 000 rpm
Gear Ratio2.08:1
Shaft LengthS: 381 mm (15.0 in)

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