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Yamaha E25BMH - User Manual

Yamaha E25BMH
226 pages
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Table of Contents

Questions and Answers

  • W
    wduarteAug 19, 2025
    What to do if Yamaha Outboard Motor fuel management gauge shows incorrect fuel consumption?
    • E
      Eileen RochaAug 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.
  • B
    Brett ObrienAug 21, 2025
    What to do if the Yamaha E25BMH gauge display does not wake up?
    • C
      Cole PayneAug 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.
  • P
    paynegabrielleAug 23, 2025
    Why Yamaha E25BMH Outboard Motor illumination does not light?
    • S
      stevenhallAug 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.
  • K
    Kathy BradshawAug 26, 2025
    How to fix Yamaha Outboard Motor tachometer showing incorrect engine RPM?
    • A
      Andrew RobertsAug 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.
  • V
    vstewartAug 28, 2025
    What causes Yamaha E25BMH Outboard Motor fuel management gauge to show incorrect remaining fuel?
    • C
      Craig ConleyAug 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.
  • T
    Thomas MillerAug 30, 2025
    What to do if Yamaha E25BMH gauge shows “----”?
    • W
      Wesley GordonAug 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.
  • A
    Ashley YoungSep 1, 2025
    Why Yamaha E25BMH Speedometer or Comb. Speedometer & Fuel mgt gauge shows incorrect fuel level?
    • C
      Charles OliverSep 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.
  • D
    Daniel RobertsSep 4, 2025
    How to fix Yamaha E25BMH Outboard Motor trim gauge showing incorrect position?
    • A
      angela60Sep 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.
  • J
    Jerry RamosSep 6, 2025
    Why Yamaha E25BMH Outboard Motor gauge operates unstably?
    • K
      Keith HernandezSep 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.
  • U
    uguerreroSep 8, 2025
    What causes Yamaha Outboard Motor gauge response to be poor or down?
    • L
      Laura WilliamsSep 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

Preface

Warning

Instructions could result in severe injury or death.

Installation

Uncrating Procedure

Steps for safely removing the outboard motor from its crate.

Mounting the Outboard Motor

Procedures for correctly mounting the outboard motor onto the transom.

Propellers

Propeller Selection

Guidance on selecting the appropriate propeller.

WOT Operation Range Table

Table of Wide-Open-Throttle RPM ranges for propeller selection.

Remote Controls

701 Remote Control

Description and applications of the 701 Remote Control.

704 Remote Control

Description and applications of the 704 Remote Control.

6 X3 Remote Control

Description and applications of the 6X3 Remote Control.

6 X6 Remote Control

Description of 6X6 Digital Electronic Control remote for F250-F350.

6 X7 Remote Control

Description of 6X7 Digital Electronic Control remote for F250-F350.

Tiller Handles

Conventional Gauge (6 Y5 & 6 Y7)

Mounting the Meters

Procedures for mounting instrument meters.

Analog Tachometer

Analog tachometer description and applications.

Digital Tachometer

Digital tachometer description and applications.

Speedometer

Speedometer description and applications.

Fuel Management Gauge

Fuel management gauge description and applications.

Analog Trim Meter

Analog trim meter description and applications.

Coolant Pressure Meter

Coolant pressure meter description and applications.

Wiring Diagrams

Digital Network Gauge (6 Y8)

Initial Gauge Setup

Troubleshooting

Battery

Battery Wiring

Battery wiring procedures.

Yamaha E25BMH Specifications

General IconGeneral
Engine Type2-Stroke
Max Output25 HP
Max. Output (kW)18.4 kW
Max. Output (PS) @ RPM25 PS @ 5000 RPM
Starting SystemManual
Ignition SystemCDI
Gear Ratio2.08:1
SteeringTiller
Fuel Induction SystemCarburetor
Lubrication SystemPremix
Shaft LengthL (508 mm)
Full Throttle RPM Range4500 - 5500 RPM
Fuel SystemCarburetor

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