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
Operating requirements / Starting system / Charging system / Ignition system / Component testing / Breaker point ignition system / CDI ignition testing / Fuel system / Engine temperature and overheating / Engine

CHAPTER FOUR / LUBRICATION, MAINTENANCE AND TUNE-UP
Lubrication / Storage / Anti-corrosion maintenance / Complete submersion / Engine flushing / Tune-up

CHAPTER FIVE / TIMING, SYNCHRONIZING AND ADJUSTING
Engine timing and synchronization / Yamaha 2 / Yamaha 3, 4 and 5 / Yamaha 6 and 8 / Yamaha 9.9 and 15 / Yamaha 25 (1984-1987) / Yamaha 25 (1988-on) / Yamaha 30 (1984-1986) / Yamaha 30 (1987-on) / Yamaha 40 and 50 (1984-1988) / Yamaha 40 and 50 (1989) / Yamaha 70 / Yamaha 90 / Yamaha 115 and 130 / Yamaha 150, 175, 200, 220 and 225

CHAPTER SIX / FUEL SYSTEM
Fuel pump / Carburetors / Throttle plunger carburetor / Integral fuel pump carburetor / Center bowl carburetor / V4/V6 carburetor / Fuel filter / Reed valve assembly / Portable fuel tank / Fuel line and primer bulb / Anti-siphon devices

CHAPTER SEVEN / IGNITION AND ELECTRICAL SYSTEMS
Battery / Battery charging system / Electric starting system / Ignition systems / Magneto breaker point ignition / Yamaha 3-70 hp CDI (Capacitor discharge ignition) / Yamaha 90-200 hp CDI (Capacitor discharge ignition) / Yamaha micro-computer ignition (YMIS)

CHAPTER EIGHT / POWER HEAD
Fasteners and torque / Engine serial number / Gaskets and sealants / Flywheel / Power head removal/installation / Power head disassembly / Crankshaft assembly and cylinder block / Power head assembly

CHAPTER NINE / GEARCASE AND DRIVE SHAFT HOUSING
Service precautions / Propeller / Water pump / Gearcase / Bearing carrier and propeller shaft / Pinion gear, drive shaft and shift rod / Shift rod/shaft / Forward gear and bearing assembly / Gearcase housing / Pinion gear depth and gear backlash / Trim tab and anode / Pressure and vacuum test

CHAPTER TEN / JET DRIVES
Maintenance / Water pump / Jet drive / Bearing housing / Intake housing liner

CHAPTER ELEVEN / AUTOMATIC REWIND STARTER

CHAPTER TWELVE / POWER TRIM AND TILT SYSTEMS
Power tilt system / Power trim/tilt system

CHAPTER THIRTEEN / OIL INJECTION SYSTEM
System components / Operation / Oil level warning system / Injection system service / Component replacement

CHAPTER FOURTEEN / YAMAHA 703 REMOTE CONTROL BOX

INDEX

WIRING DIAGRAMS

Models Covered
1984-1989 Yamaha 1 Cylinder
1984-1989 Yamaha 2 Cylinder
1984-1989 Yamaha 3 Cylinder
1984-1989 Yamaha 4 Cylinder
1984-1989 Yamaha 6 Cylinder

Part Number Variations
B783
B-783
156-B783
18-0071
180071
47-0071
QS 18-0071
QS180071
QSE71
6201487