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Yamaha 25NWC - User Manual

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

Table of Contents

Questions and Answers

  • J
    Jill SmithSep 23, 2025
    Why doesn't my Yamaha 25NWC boat speed gauge show?
    • B
      Brittney PopeSep 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.
  • C
    Christopher ArmstrongAug 25, 2025
    What to do if the Yamaha 25NWC Outboard Motor gauge display does not wake up?
    • C
      Cheryl GonzalesAug 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.
  • V
    Veronica MccoyAug 25, 2025
    Why Yamaha Outboard Motor illumination does not light?
    • B
      bsullivanAug 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
    Amanda DavisAug 27, 2025
    How to fix Yamaha Outboard Motor tachometer showing incorrect engine RPM?
    • R
      Robert ReedAug 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.
  • J
    Janet BairdAug 27, 2025
    What causes Yamaha Outboard Motor fuel management gauge to show incorrect remaining fuel?
    • N
      Nancy MooreAug 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.
  • F
    fvazquezSep 14, 2025
    Why does my Yamaha 25NWC Outboard Motor fuel management gauge show incorrect remaining fuel?
    • A
      Amy CollierSep 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.
  • D
    David KnoxSep 12, 2025
    What to do if my Yamaha 25NWC Outboard Motor speedometer shows the incorrect fuel level?
    • M
      Melissa MortonSep 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.
  • M
    Michael SmithSep 13, 2025
    What does it mean when my Yamaha 25NWC gauge shows “----”?
    • R
      Rachel ThompsonSep 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.
  • M
    Megan StoneSep 5, 2025
    Why Yamaha 25NWC Outboard Motor boat speed and/or coolant pressure gauge does not show?
    • C
      Carolyn FranklinSep 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.
  • D
    Dawn MossSep 2, 2025
    What causes Yamaha 25NWC Outboard Motor gauge response to be poor or down?
    • G
      Gary LeonardSep 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.

Yamaha 25NWC Specifications

General IconGeneral
Engine Type2-Stroke
Starting SystemManual
Number of Cylinders2
Fuel Induction SystemCarburetor
Ignition SystemCDI
Power Output25 hp
Displacement496 cc
Fuel Tank Capacity24 L
Gear Ratio2.08:1
Recommended FuelRegular Unleaded
WOT Range5000 - 6000 rpm
SteeringTiller
Trim SystemManual

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