Yamaha 2-250 HP Two-Stroke Outboards and Jet Drives 1990 - 1995

Clymer Owners Marine Service & Repair Manual

1990, 1991, 1992, 1993, 1994, 1995

by Clymer Staff

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Yamaha 2-250 HP Two-Stroke Outboards and Jet Drives 1990 - 1995 - Front Cover

Front Cover

Front Cover

description

Yamaha 2 - 250 hp Two-Stroke Outboards 1990 - 1995 Clymer Owners Marine Service & Repair Manual covers the following models:
● Yamaha 2 HP (1990-1995)
● Yamaha 3 HP (1990-1995)
● Yamaha 4 HP (1990-1995)
● Yamaha 5 HP (1990-1995)
● Yamaha 6 HP (1990-1995)
● Yamaha 8 HP (1990-1995)
● Yamaha 9.9 HP (1990-1995)
● Yamaha 15 HP (1990-1995)
● Yamaha C25 HP (1990-1995)
● Yamaha 25 HP (1990-1995)
● Yamaha C30 HP (1990-1995)
● Yamaha 30 HP (1990-1995)
● Yamaha C40 HP (1990-1995)
● Yamaha 40 HP (1990-1995)
● Yamaha 50 HP (1990-1995)
● Yamaha Pro 50 HP (1990-1995)
● Yamaha 55 HP (1990-1995)
● Yamaha Pro 60 HP (1990-1995)
● Yamaha 70 HP (1990-1995)
● Yamaha C75 HP (1990-1995)
● Yamaha C85 HP (1990-1995)
● Yamaha 90 HP (1990-1995)
● Yamaha 115 HP (1990-1995)
● Yamaha C115 HP (1990-1995)
● Yamaha Pro V 115 (1990-1995)
● Yamaha 130 HP (1990-1995)
● Yamaha L130 (1990-1995)
● Yamaha 150 HP (1990-1995)
● Yamaha L150 (1990-1995)
● Yamaha Pro V 150 (1990-1995)
● Yamaha 175 HP (1990-1995)
● Yamaha Pro V 175 (1990-1995)
● Yamaha 200 HP (1990-1995)
● Yamaha L200 (1990-1995)
● Yamaha Pro V 200 (1990-1995)
● Yamaha 225 HP 90 degree V6 (1990-1995)
● Yamaha 225 HP 76 degree V6 (1990-1995)
● Yamaha L225 90 degree V6 (1990-1995)
● Yamaha 250 HP 76 degree V6 (1990-1995)
● Yamaha L250 90 degree V6 (1990-1995)

Contents:
QUICK REFERENCE DATA

GENERAL INFORMATION
Manual organization / Notes, cautions and warnings / Torque specifications / Engine operation / Fasteners / Lubricants / Gasket sealant / Galvanic corrosion / Protection from galvanic corrosion / Propellers

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

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

LUBRICATION, MAINTENANCE AND TUNE-UP
Lubrication / Proper fuel selection / Fuel additive / Water separator filter / Recommended Fuel/oil mixture ratio / Correct fuel mixing / Consistent fuel mixtures/ Gearcase lubricant change / Jet drive lubrication / Saltwater corrosion of the gearcase bearing housing and cap / Storage / Anti-corrosion maintenance / Complete submersion / Engine flushing / Tune-up / Compression check / Spark plugs / Spark plug gap adjustment / Fuel system service / Fuel lines / Engine fuel filter service / Fuel pump service / Fuel pump pressure test / Breaker point ignition service/ Breaker point replacement / Breaker point adjustment / Battery and starter motor check (electric start models only) / Starter relay test (electric start models only) / Choke solenoid resistance check / Fuel enrichment solenoid resistance check / Engine synchronization and adjustments / On-boar performance test / Specifications

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 degree V6 models / 225 hp, 250 hp 76 degree V6 models / Specifications

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 degree V6) / Twin barrel carburetor (115-130 hp V4 and 150-225 hp 90 degree V6) / Carburetor cleaning and inspection (all models) / Float adjustment / Primer assembly (225 hp 90 degree 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 / Specifications

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) / Specifications

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 / Specifications

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 / Specifications

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

REWIND STARTERS

POWER TRIM AND TILT SYSTEMS
Power tilt system / Power trim/tilt system / Specifications

OIL INJECTION SYSTEM
System components / Operation / Oil level warning system / Oil injection system service / Component replacement / Specifications

YAMAHA 703 REMOTE CONTROL BOX

WIRING DIAGRAMS

Clymer marine manuals can save you money on maintenance and repair. Step-by-step procedures and detailed illustrations guide you through every job, from routine maintenance and troubleshooting, all the way to complete teardown & rebuild.

General information on Repair Manuals

Please note that workshop manuals are usually written for models sold in a specific country. Differences in specification can exist between models sold in different countries and items such as engines can vary. Please check that the manual will cover your model before purchase and if you are unsure please contact us first.

product details

  • Publisher: Clymer Publications
  • ISBN: 0892876506 (0-892-87650-6)
  • ISBN-13: 9780892876501 (978-0-892-87650-1)
  • Format: Softcover. 700 pages

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