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1991 Yamaha 9.9hp, 15hp outboard motor service manual Preview image 1
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1991 Yamaha 9.9hp, 15hp outboard motor service manual

Models covered in this manual:

9.9 HP, 15 HP / Yamaha Motor Corporation, Ltd

9.9hp 15hp

Serial numbers:

  • 9.9ELHP: 6G9-S-100101 to 6G9-S-110000
  • 15ELHP: 6G8-S-100101 to 6G8-S-110000

Production/model years: 1991

File specifications

File size: 33.94 MB
File type: PDF
Language: English

Printable: Yes
Estimated download time: 0.7 Minutes
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Product Information

Table of Contents

General Information

  1. General Information
    • Safety Information
    • Specifications
    • Tools and Equipment
    • Service Data
    • Torque Specifications

Periodic Inspections and Adjustments

  1. Maintenance Schedule
    • Inspection Procedures
    • Adjustment Procedures
    • Lubrication Points

Fuel System and Carburetion

  1. Fuel System
    • Fuel Tank
    • Fuel Lines
    • Fuel Pump
  2. Carburetion
    • Carburetor Removal/Installation
    • Carburetor Adjustment
    • Carburetor Overhaul

Powerhead Overhaul

  1. Engine Removal/Installation
    • Cylinder Head
    • Piston and Cylinder
    • Crankshaft and Crankcase
    • Connecting Rods
    • Engine Reassembly

Lower Unit Overhaul

  1. Lower Unit Removal/Installation
  2. Gearcase Disassembly/Assembly
  3. Propeller Shaft
  4. Water Pump

Electrical

  1. Ignition System
    • Spark Plugs
    • Ignition Coils
    • Stator and Rotor
  2. Charging System
    • Battery
    • Rectifier/Regulator
  3. Starter System
    • Electric Starter
    • Manual Starter

Recoil Starter

  1. Recoil Starter Mechanism
    • Recoil Spring
    • Starter Rope
    • Starter Pulley

Appendices

  1. Troubleshooting Guide
  2. Wiring Diagrams
  3. Service Data
  4. Special Tools
  5. Index

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