
Yamaha 9.9-100 HP Four-Stroke Outboards Workshop Service Manual 1985-1999
Description
Product Reviews
Q&A
Models Covered:
- Yamaha 9.9 HP (1985-1999)
- Yamaha 15 HP (1985-1999)
- Yamaha 25 HP (1985-1999)
- Yamaha 40 HP (1985-1999)
- Yamaha 50 HP (1985-1999)
- Yamaha 80 HP (1985-1999)
- Yamaha 100 HP (1985-1999)
This manual is suitable for both first-time owners/amateurs and professional technicians. It is designed in an easy-to-read format and provides all the necessary information to perform procedures correctly. Keeping this shop manual handy and using it regularly for routine and preventive maintenance can save time and money by preventing premature failure and unnecessary repairs.
Manual Contents:
- QUICK REFERENCE DATA
- CHAPTER ONE / GENERAL INFORMATION
- Manual organization
- Notes, cautions, and warnings
- Torque specifications
- Engine operation
- Fasteners
- Lubricants
- Gasket sealant
- Galvanic corrosion
- Protection from galvanic corrosion
- Propellers
- Specifications
- CHAPTER TWO / TOOLS AND TECHNIQUES
- Safety first
- Basic hand tools
- Test equipment
- Service hints
- Special tips
- Mechanic's techniques
- Specifications
- CHAPTER THREE / TROUBLESHOOTING AND TESTING
- Test equipment
- Troubleshooting preparation
- Operating requirements
- Starting difficulty
- Fuel system component testing
- Ignition system testing
- Warning system
- Starting system
- Charging system
- Fuses and wire harness
- Trim system
- Electrical testing
- Power head
- Cooling system
- Gearcase
- Specifications
- CHAPTER FOUR / LUBRICATION, MAINTENANCE AND TUNE-UP
- Lubrication and maintenance
- Pre-operational checklist
- Post-operational checklist
- Routine maintenance
- Fuel requirements
- Fuel filter service
- Engine oil requirements
- Oil drain and fill locations
- Pumping oil from the engine
- Draining oil
- Filling the engine with oil
- Oil filter
- Engine oil and filter change
- Oil screen service
- Removing carbon deposits from the combustion chambers
- Power head anodes
- Timing belt and sprocket inspection
- Hoses and clamps inspection
- Thermostat inspection
- Gearcase lubricant
- Changing the gearcase lubricant
- Gearcase anode inspection
- Water pump and impeller inspection
- Propeller shaft inspection and lubrication
- Swivel tube and tilt tube lubrication
- Steering cable lubrication
- Trim system fluid level check and change
- Starter motor maintenance
- Battery maintenance
- Throttle and shift linkage lubrication
- Tune-up
- Compression test
- Spark plugs
- Valve adjustment
- Carburetor adjustment
- Ignition timing
- Run test
- Special maintenance requirements
- Submersion
- Storage
- Corrosion prevention
- Specifications
- CHAPTER FIVE / SYNCHRONIZATION AND ADJUSTMENT
- Fuel system adjustment
- Carburetor synchronization
- Valve adjustment
- Cable and linkage adjustment
- Specifications
- CHAPTER SIX / FUEL SYSTEM
- Servicing the fuel system
- Fuel tank
- Gloat level (9.9, 25 and 80-100 hp models)
- Specifications
- CHAPTER SEVEN / ELECTRICAL AND IGNITION SYSTEM
- Starting system
- Starter motor
- Charging system
- Ignition system
- Warning system
- Specifications
- CHAPTER EIGHT / POWER HEAD
- Flywheel removal and installation
- Cylinder head
- Cylinder head
- Oil pump
- Inspection
- Power head installation
- Bearing selection
- Specifications
- CHAPTER NINE / GEARCASE AND DRIVE SHAFT HOUSING
- Gearcase operation
- Gearcase identification
- Propeller removal and installation
- Gearcase removal and installation
- Water pump
- Gearcase disassembly and assembly
- Inspection
- Drive shaft housing removal and installation
- Specifications
- CHAPTER TEN / REWIND STARTER
- CHAPTER ELEVEN / POWER TRIM AND MIDSECTION
- Power trim system
- Fluid filling and air bleeding
- Midsection
- Specifications
- CHAPTER TWELVE / REMOTE CONTROL
- INDEX
- WIRING DIAGRAMS