Clymer Yamaha 2-250 HP Two-Stroke Outboards & Jet Drives (1990-1995)
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Yamaha 2-250 HP Two-Stroke Outboards and Jet Drives, 1990-1995
Part #: B784
720 pages
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 / Breaker point ignition testing (1990-1994 2 hp engine) / CDI ignition testing / Fuel enrichment system / Fuel system / Engine temperature and overheating / Power head
CHAPTER FOUR / LUBRICATION, MAINTENANCE AND TUNE-UP
Lubrication / Storage / Anti-corrosion maintenance / Complete submersion / Engine flushing / Tune-up
CHAPTER FIVE / TIMING, SYNCHRONIZATION AND ADJUSTMENT
Engine timing and synchronization / 1990-1994 2 hp models / 1995 2 hp models / 3 hp models / 4 hp and 5 hp models / 6 hp and 8 hp models / 9.9 hp and 15 hp models / C25 models / 25 hp models / C30 (2-cylinder) models / 30 hp (3-cylinder) models / C40 (2-cylinder) models / 40 hp, 50 hp and Pro 50 (3-cylinder) models / C55 models / Pro 60, 70 hp and 90 hp models / C75 hp and C85 models / C115 models / 115 hp, Pro V 115, 130 hp V4, 150 hp, Pro V 150, 175 hp Pro V 175, 200 hp, Pro V 200 and 225 hp 90 V6 models / 225 hp, 250 hp 76 V6 models
CHAPTER SIX / FUEL SYSTEM
Fuel system connections / Fuel pump / Prime start system / Carburetors / Throttle plunger carburetor (2 hp) / Integral fuel pump carburetor / Center bowl carburetor (C25) / Center bowl carburetor (C30, C40, C75 and C85) / Center bowl carburetor (C55) / Center bowl carburetor (40, 50, 70 and 90 hp and Pro 50 and Pro 60) / Center bowl carburetor (225, 250 hp 76 V6) / Twin barrel carburetor (115-130 hp V4 and 150-225 hp 90 V6) / Carburetor cleaning and inspection (all models) / Float adjustment / Primer assembly (225 hp 90 V6) / Fuel filter / Reed valve assembly / Integral fuel tank (2-5 hp) / Portable fuel tank (7-250 hp) / Fuel line and primer bulb / Anti-siphon devices
CHAPTER SEVEN / IGNITION AND ELECTRICAL SYSTEMS
Electrical connector adapters / Battery / Battery charging system / Electric starting system / Ignition systems / Magneto breaker point ignition (1990-1994 2 hp) / Capacitor discharge ignition (2-55 hp and Pro 50 models) / Capacitor discharge ignition (75-200 hp [except 1992-on 90 hp]) / Yamaha microcomputer ignition system (YMIS) (1992-on Pro 60, 70 hp, 90 hp 3-cylinder and all 225-250 hp V6 models)
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 and notes / Propeller / Water pump / Gearcase / Gearcase disassembly/inspection/reassembly / Pinion gear and driveshaft / Shift shaft / Forward gear or reverse gear ("L" models) 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 / REWIND STARTERS
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 / Oil injection system service / Component replacement
CHAPTER FOURTEEN / YAMAHA 703 REMOTE CONTROL BOX
INDEX
WIRING DIAGRAMS
Models covered:
YAMAHA 115 and 130 HP V4
YAMAHA 150
YAMAHA 175
YAMAHA 2-5 HP SINGLE CYLINDER
YAMAHA 200 & 225 HP
YAMAHA 225 & 250 HP 76 V6
YAMAHA 30-90 HP 3-CYLINDER
YAMAHA 6-55 HP 2-CYLINDER
YAMAHA 90 V6 Years: 1990 1991 1992 1993 1994 1995
Product : CLYMER YAMAHA 2 STROKE 2-225 HP OB 1990-1995
Manufacturer : CLYMER
Manufacturer Part No : B784
UPC : 024185765066
Part #: B784
720 pages
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 / Breaker point ignition testing (1990-1994 2 hp engine) / CDI ignition testing / Fuel enrichment system / Fuel system / Engine temperature and overheating / Power head
CHAPTER FOUR / LUBRICATION, MAINTENANCE AND TUNE-UP
Lubrication / Storage / Anti-corrosion maintenance / Complete submersion / Engine flushing / Tune-up
CHAPTER FIVE / TIMING, SYNCHRONIZATION AND ADJUSTMENT
Engine timing and synchronization / 1990-1994 2 hp models / 1995 2 hp models / 3 hp models / 4 hp and 5 hp models / 6 hp and 8 hp models / 9.9 hp and 15 hp models / C25 models / 25 hp models / C30 (2-cylinder) models / 30 hp (3-cylinder) models / C40 (2-cylinder) models / 40 hp, 50 hp and Pro 50 (3-cylinder) models / C55 models / Pro 60, 70 hp and 90 hp models / C75 hp and C85 models / C115 models / 115 hp, Pro V 115, 130 hp V4, 150 hp, Pro V 150, 175 hp Pro V 175, 200 hp, Pro V 200 and 225 hp 90 V6 models / 225 hp, 250 hp 76 V6 models
CHAPTER SIX / FUEL SYSTEM
Fuel system connections / Fuel pump / Prime start system / Carburetors / Throttle plunger carburetor (2 hp) / Integral fuel pump carburetor / Center bowl carburetor (C25) / Center bowl carburetor (C30, C40, C75 and C85) / Center bowl carburetor (C55) / Center bowl carburetor (40, 50, 70 and 90 hp and Pro 50 and Pro 60) / Center bowl carburetor (225, 250 hp 76 V6) / Twin barrel carburetor (115-130 hp V4 and 150-225 hp 90 V6) / Carburetor cleaning and inspection (all models) / Float adjustment / Primer assembly (225 hp 90 V6) / Fuel filter / Reed valve assembly / Integral fuel tank (2-5 hp) / Portable fuel tank (7-250 hp) / Fuel line and primer bulb / Anti-siphon devices
CHAPTER SEVEN / IGNITION AND ELECTRICAL SYSTEMS
Electrical connector adapters / Battery / Battery charging system / Electric starting system / Ignition systems / Magneto breaker point ignition (1990-1994 2 hp) / Capacitor discharge ignition (2-55 hp and Pro 50 models) / Capacitor discharge ignition (75-200 hp [except 1992-on 90 hp]) / Yamaha microcomputer ignition system (YMIS) (1992-on Pro 60, 70 hp, 90 hp 3-cylinder and all 225-250 hp V6 models)
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 and notes / Propeller / Water pump / Gearcase / Gearcase disassembly/inspection/reassembly / Pinion gear and driveshaft / Shift shaft / Forward gear or reverse gear ("L" models) 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 / REWIND STARTERS
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 / Oil injection system service / Component replacement
CHAPTER FOURTEEN / YAMAHA 703 REMOTE CONTROL BOX
INDEX
WIRING DIAGRAMS
Models covered:
YAMAHA 115 and 130 HP V4
YAMAHA 150
YAMAHA 175
YAMAHA 2-5 HP SINGLE CYLINDER
YAMAHA 200 & 225 HP
YAMAHA 225 & 250 HP 76 V6
YAMAHA 30-90 HP 3-CYLINDER
YAMAHA 6-55 HP 2-CYLINDER
YAMAHA 90 V6 Years: 1990 1991 1992 1993 1994 1995
Product : CLYMER YAMAHA 2 STROKE 2-225 HP OB 1990-1995
Manufacturer : CLYMER
Manufacturer Part No : B784
UPC : 024185765066