Yamaha Marine 40-50hp, manual 40VMH,C40MH,40VMHD, 40VMHO,40MH, 40VMO,40VWH,40VE,C40ER, 40VEO,40ER,40VEHTO,P40TH, C40TR,40VETO, 40TR, 50HMHO,50HMHD, 50HMO,50HMDO,50HWHD,50HEDO,

Yamaha Yamaha Marine 40-50hp, manual 40VMH,C40MH,40VMHD, 40VMHO,40MH, 40VMO,40VWH,40VE,C40ER, 40VEO,40ER,40VEHTO,P40TH, C40TR,40VETO, 40TR, 50HMHO,50HMHD, 50HMO,50HMDO,50HWHD,50HEDO, manual page preview - page 1 of
Yamaha Yamaha Marine 40-50hp, manual 40VMH,C40MH,40VMHD, 40VMHO,40MH, 40VMO,40VWH,40VE,C40ER, 40VEO,40ER,40VEHTO,P40TH, C40TR,40VETO, 40TR, 50HMHO,50HMHD, 50HMO,50HMDO,50HWHD,50HEDO, manual preview page 1 - thumbnail
Yamaha Yamaha Marine 40-50hp, manual 40VMH,C40MH,40VMHD, 40VMHO,40MH, 40VMO,40VWH,40VE,C40ER, 40VEO,40ER,40VEHTO,P40TH, C40TR,40VETO, 40TR, 50HMHO,50HMHD, 50HMO,50HMDO,50HWHD,50HEDO, manual preview page 2 - thumbnail
Yamaha Yamaha Marine 40-50hp, manual 40VMH,C40MH,40VMHD, 40VMHO,40MH, 40VMO,40VWH,40VE,C40ER, 40VEO,40ER,40VEHTO,P40TH, C40TR,40VETO, 40TR, 50HMHO,50HMHD, 50HMO,50HMDO,50HWHD,50HEDO, manual preview page 3 - thumbnail
Yamaha Yamaha Marine 40-50hp, manual 40VMH,C40MH,40VMHD, 40VMHO,40MH, 40VMO,40VWH,40VE,C40ER, 40VEO,40ER,40VEHTO,P40TH, C40TR,40VETO, 40TR, 50HMHO,50HMHD, 50HMO,50HMDO,50HWHD,50HEDO, manual preview page 4 - thumbnail
Yamaha Yamaha Marine 40-50hp, manual 40VMH,C40MH,40VMHD, 40VMHO,40MH, 40VMO,40VWH,40VE,C40ER, 40VEO,40ER,40VEHTO,P40TH, C40TR,40VETO, 40TR, 50HMHO,50HMHD, 50HMO,50HMDO,50HWHD,50HEDO, manual preview page 5 - thumbnail
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Yamaha Yamaha Marine 40-50hp, manual 40VMH,C40MH,40VMHD, 40VMHO,40MH, 40VMO,40VWH,40VE,C40ER, 40VEO,40ER,40VEHTO,P40TH, C40TR,40VETO, 40TR, 50HMHO,50HMHD, 50HMO,50HMDO,50HWHD,50HEDO, - Technical Specifications

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Yamaha Models and Parts Covered in this Outboard Manual

Yamaha Marine Outboard Motors
40-50hp Manual Models

  • 40VMH
  • C40MH
  • 40VMHD
  • 40VMHO
  • 40MH
  • 40VMO
  • 40VWH
  • 40VE
  • C40ER
  • 40VEO
  • 40ER
  • 40VEHTO
  • P40TH
  • C40TR
  • 40VETO
  • 40TR
  • 50HMHO
  • 50HMHD
  • 50HMO
  • 50HMDO
  • 50HWHD
  • 50HEDO
  • 50HET
  • C50TR
  • 50HETO
  • 50TR

Yamaha Yamaha Marine 40-50hp, manual 40VMH,C40MH,40VMHD, 40VMHO,40MH, 40VMO,40VWH,40VE,C40ER, 40VEO,40ER,40VEHTO,P40TH, C40TR,40VETO, 40TR, 50HMHO,50HMHD, 50HMO,50HMDO,50HWHD,50HEDO, - Complete Manual Information

Table of Contents

GENERAL INFORMATION

  1. Safety

    • General Safety Precautions
    • Safety Labels and Locations
  2. Identification

    • Model Identification
    • Serial Number Location
  3. Specifications

    • General Specifications
    • Electrical Specifications
    • Fuel Specifications

MAINTENANCE

  1. Maintenance Schedule

    • Regular Maintenance Intervals
    • Pre-operation Checklist
  2. Lubrication

    • Lubrication Points
    • Recommended Lubricants
  3. Tools

    • Standard Tools
    • Special Tools

ENGINE

  1. Engine Removal/Installation

    • Removal Procedure
    • Installation Procedure
  2. Engine Disassembly/Assembly

    • Cylinder Head
    • Piston and Cylinder
    • Crankshaft and Crankcase
  3. Engine Inspection

    • Valve Clearance
    • Compression Pressure
    • Spark Plug

FUEL SYSTEM

  1. Fuel Tank

    • Removal and Installation
    • Cleaning and Inspection
  2. Carburetor

    • Disassembly and Assembly
    • Adjustment and Inspection
  3. Fuel Pump

    • Operation and Testing
    • Replacement Procedure

COOLING SYSTEM

  1. Water Pump

    • Inspection and Replacement
    • Water Pump Specifications
  2. Thermostat

    • Inspection and Replacement
    • Thermostat Specifications
  3. Cooling System Inspection

    • Flushing and Maintenance
    • Cooling System Diagram

ELECTRICAL SYSTEM

  1. Charging System

    • Alternator Inspection
    • Voltage Regulator Replacement
  2. Ignition System

    • Ignition Coil Testing
    • Spark Plug Replacement
  3. Starting System

    • Electric Starter Operation
    • Recoil Starter Maintenance
  4. Wiring

    • Wiring Diagrams
    • Electrical Component Location

CONTROL SYSTEM

  1. Control Panel

    • Functions and Operations
    • Control Panel Layout
  2. Throttle and Shift System

    • Throttle Adjustment
    • Shift Linkage Inspection
  3. Steering System

    • Steering Adjustment
    • Steering Inspection

MIDSECTION

  1. Midsection Removal/Installation

    • Removal Procedure
    • Installation Procedure
  2. Swivel Bracket

    • Inspection and Maintenance
    • Swivel Bracket Specifications
  3. Trim and Tilt System

    • Operation and Testing
    • Replacement Procedure

LOWER UNIT

  1. Lower Unit Removal/Installation

    • Removal Procedure
    • Installation Procedure
  2. Gearcase

    • Disassembly and Assembly
    • Gearcase Inspection
  3. Propeller

    • Inspection and Replacement
    • Propeller Specifications

TROUBLESHOOTING

  1. General Troubleshooting

    • Engine Will Not Start
    • Engine Lacks Power
    • Electrical Issues
  2. Specific Troubleshooting

    • Fuel System Problems
    • Ignition System Problems
    • Electrical System Problems

APPENDIX

  1. Technical Data

    • Torque Specifications
    • Service Data
  2. Wiring Diagrams

    • Complete Wiring Diagrams
    • Connector Pinouts
  3. Maintenance Records

    • Maintenance Log
    • Service History

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Yamaha Yamaha Marine 40-50hp, manual 40VMH,C40MH,40VMHD, 40VMHO,40MH, 40VMO,40VWH,40VE,C40ER, 40VEO,40ER,40VEHTO,P40TH, C40TR,40VETO, 40TR, 50HMHO,50HMHD, 50HMO,50HMDO,50HWHD,50HEDO, Customer Reviews and Feedback

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Lisa Johnsonsays...
The download process was smooth, and the customer service was very responsive to my queries. Highly recommend!
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Mark Thompsonsays...
This manual covers everything I needed for my Yamaha Marine engine. The troubleshooting section was particularly helpful!
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kostassays...
I have a YAMAHA 40VMHO, 40HP, and i would like to send me the prise of this motor today.
Thank you very much.
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James Smithsays...
This manual is a must-have for any Yamaha Marine engine owner. It provides clear instructions and is very detailed. Great value!