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Yamaha 25BWC - User Manual

Yamaha 25BWC
329 pages
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90894-62983-01Worldwide Edition
RIGGING GUIDE
2014

Table of Contents

Questions and Answers

  • J
    Jay OliverSep 9, 2025
    Why does my Yamaha 25BWC fuel management gauge show incorrect fuel consumption?
    • C
      Christopher MartinSep 9, 2025
      If the fuel management gauge shows incorrect fuel consumption, the engine recognition may be wrong. To resolve this, default the engine number. Then, turn the key switch on in order from the portside engine to re-memorize each engine number.
  • A
    Amy OrozcoSep 8, 2025
    Why is the illumination not lighting on my Yamaha 25BWC gauge?
    • C
      Carmen JohnsonSep 8, 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.
  • C
    cunninghamcynthiaSep 7, 2025
    What to do if my Yamaha 25BWC Outboard Motor gauge display does not wake up?
    • T
      Teresa SmithSep 7, 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.
  • A
    Alexandra ColeAug 22, 2025
    What to do if Yamaha 25BWC fuel management gauge shows incorrect fuel consumption?
    • B
      Brandon BlackburnAug 23, 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.
  • M
    Michelle WatsonSep 5, 2025
    Why Yamaha Outboard Motor boat speed and/or coolant pressure gauge does not show?
    • J
      joneslisaSep 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 BlackburnSep 3, 2025
    What to do if Yamaha Outboard Motor trim gauge always shows fully tilted up position?
    • Y
      Yvonne RobinsonSep 4, 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.
  • E
    elizabethharrisonSep 2, 2025
    What causes Yamaha 25BWC gauge response to be poor or down?
    • P
      Paula GilbertSep 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.
  • K
    kenneth58Sep 1, 2025
    Why Yamaha 25BWC Outboard Motor gauge operates unstably?
    • C
      Christian JohnsonSep 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.
  • H
    harrisonmeganAug 31, 2025
    How to fix Yamaha Outboard Motor trim gauge showing incorrect position?
    • M
      Melody AllisonAug 31, 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.
  • L
    lisamartinAug 30, 2025
    Why Yamaha 25BWC Speedometer or Comb. Speedometer & Fuel mgt gauge shows incorrect fuel level?
    • D
      David LaneAug 30, 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.

Summary

INSTALLATION

UNCRATING PROCEDURE (FOR TYPICAL STEEL FRAME)

Steps for safely removing the outboard motor from its shipping crate.

MOUNTING THE OUTBOARD MOTOR

Procedures for correctly positioning and securing the outboard motor to the boat transom.

PROPELLERS

PROPELLER SPECIFICATIONS

Overview of Yamaha propeller types designed to match outboard motor characteristics.

PROPELLER SELECTION

Guidance on choosing the most suitable propeller based on application and load.

REMOTE CONTROLS

REMOTE CONTROL TYPES AND APPLICATIONS

Describes different remote control types (side mount, binnacle mount) and their applications.

CONVENTIONAL GAUGE (6 Y5 & 6 Y7)

MOUNTING THE METERS

Instructions for installing gauges, ensuring proper readability and clearance.

FUEL MANAGEMENT GAUGE

Functions and applications of the fuel management gauge, including kit contents.

WIRING DIAGRAMS

Representative wiring diagrams for remote controls and instruments.

DIGITAL NETWORK GAUGE (6 Y8)

DIGITAL NETWORK GAUGE COMPATIBLE MODELS

Lists engine models compatible with digital network gauges.

INITIAL GAUGE SETUP

Steps for initial setup of digital network gauges and multi-sensor connection.

TROUBLESHOOTING

Common issues, causes, and solutions for gauge system problems.

DIGITAL NETWORK PREMIUM GAUGE (6 Y9)

DIGITAL NETWORK PREMIUM GAUGE COMPATIBLE MODELS

Lists engine models compatible with Digital Network Premium Gauges (6Y9).

NETWORK WIRING DIAGRAMS

Wiring diagrams for dual station applications with 6Y9 gauges.

TILLER HANDLES

6 X4 MULTI-FUNCTION TILLER HANDLE

Overview of the multi-function tiller handle and its electrical functions.

BATTERY

RECOMMENDED BATTERY

Guidance on selecting the appropriate battery capacity and type for different engine models.

BATTERY WIRING

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

Yamaha 25BWC Specifications

General IconGeneral
BrandYamaha
Model25BWC
CategoryOutboard Motor
LanguageEnglish

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