Brand: Clymer

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

CHAPTER TWO / TOOLS AND TECHNIQUES
Safety first / Basic hand tools / Test equipment / Service hints / Special tips / Mechanic's techniques

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

CHAPTER FOUR / LUBRICATION, MAINTENANCE AND TUNE-UP
Lubrication and maintenance / Routine maintenance / Tune-up / Special maintenance requirements

CHAPTER FIVE / SYNCHRONIZATION AND ADJUSTMENT
Fuel system adjustment / Carburetor synchronization / Valve adjustment / Cable and linkage adjustment

CHAPTER SIX / FUEL SYSTEM
Servicing the fuel system / Fuel tank / Gloat level (9.9, 25 and 80-100 hp models)

CHAPTER SEVEN / ELECTRICAL AND IGNITION SYSTEM
Starting system / Starter motor / Charging system / Ignition system / Warning system

CHAPTER EIGHT / POWER HEAD
Flywheel removal and installation / Cylinder head / Cylinder head / Oil pump / Inspection / Power head installation / Bearing selection

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

CHAPTER TEN / REWIND STARTER

CHAPTER ELEVEN / POWER TRIM AND MIDSECTION
Power trim system / Fluid filling and air bleeding / Midsection

CHAPTER TWELVE / REMOTE CONTROL

INDEX

WIRING DIAGRAMS

Models Covered
1985-1999 Yamaha 100 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 9.9 HP

Part Number Variations
B788
B-788
156-B788
18-0079
180079
47-0079
QS 18-0079
QS180079
6241121