1991 Yamaha Outboard 2-250HP Workshop Service Repair Manual PDF Download

NICE YAMAHA OUTBOARD MANUAL AT 70MB
630 PLUS PAGES IN PDF FORM

Yamaha Outboard 2-250HP 1984-1996 Service Manual
Yamaha Outboard 2-250HP 1984-1996 Repair Manual service, repair and maintenance information for 1984-1996 Yamaha Outboards ranging from 2-250HP, 1-4 Cylinder, V4 and V6 Models. 2-stroke and 4-stroke models. Includes Jet Drives.

This book is based on an actual teardown of the equipment. It provides complete coverage on everything from basic maintenance to engine overhaul, featuring simple-to-follow, step-by-step, illustrated procedures, hundreds of exploded drawings, photographs and tables, a troubleshooting section and accurate specifications and wiring diagrams.

Models covered:

2 hp, 1 cyl. (43cc) 2-stroke 1984-1996
2 hp, 1 cyl. (50cc) 2-stroke 1995-1996
3 hp, 1 cyl. (70cc) 2-stroke 1989
3 hp, 1 cyl. (70cc) 2-stroke 1990-1996
4 hp, 1 cyl. (83cc) 2-stroke 1984-1996
4 hp, 1 cyl. (103cc) 2-stroke 1996
5 hp, 1 cyl. (103cc) 2-stroke 1984-1996
6 hp, 2 cyl. (165cc) 2-stroke 1986-1996
8 hp, 2 cyl. (165cc) 2-stroke 1984-1996
9.9 hp, 2 cyl. (246cc) 2-stroke 1984-1996
9.9 hp, 2 cyl. (232cc) 4-stroke 1984-1996
15 hp, 2 cyl. (246cc) 2-stroke 1984-1996
20 hp, 2-cyl. (395cc) 2-stroke 1996
20 hp, 2 cyl. (430cc) 2-stroke 1996
25 hp, 2 cyl. (395cc) 2-stroke 1988-1996
25 hp, 2 cyl. (430cc) 2-stroke 1990-1996
25 hp, 2 cyl. (496cc) 2-stroke 1984-1996
25 hp, 3 cyl. (496cc) 2-stroke 1996
28 Jet, 3 cyl. (698cc) 2-stroke 1990-1996
30 hp, 2 cyl. (496cc) 2-stroke 1984-1996
30 hp, 3 cyl. (496cc) 2-stroke 1987-1996
35 Jet, 3 cyl. (698cc) 2-stroke 1987-1996
40 hp, 2 cyl. (592cc) 2-stroke 1989-1996
40 hp, 3 cyl. (698cc) 2-stroke 1984-1996
45 hp, 4 cyl. (935cc) 4-stroke 1996
48 hp, 2 cyl. (760cc) 2-stroke 1996
50 hp, 3 cyl. (698cc) 2-stroke 1984-1996
50 hp, 3 cyl. (849cc) 2-stroke 1994-1996
50 hp, 4 cyl. (935cc) 4-stroke 1995-1996
55 hp, 2 cyl. (760cc) 2-stroke 1989-1995
60 hp, 3 cyl. (849cc) 2-stroke 1991-1996
65 Jet, 3 cyl. (1140cc) 2-stroke 1987-1996
70 hp, 3 cyl. (849cc) 2-stroke 1984-1996
75 hp, 3 cyl. (1140cc) 2-stroke 1994-1996
80 hp, 3 cyl. (1140cc) 2-stroke 1994-1996
80 Jet, V4 (1730cc) 2-stroke 1987-1996
85 hp, 3 cyl. (1140cc) 2-stroke 1989-1996
90 hp, 3 cyl. (1140cc) 2-stroke 1984-1996
105 Jet, V6 (2596cc) 2-stroke 1996
115 hp, V4 (1730cc) 2-stroke 1984-1996
130 hp, V4 (1730cc) 2-stroke 1988-1996
140 hp, V4 (1730cc) 2-stroke 1984-1996
140 Jet, V6 (2596cc) 2-stroke 1987-1995
150 hp, V6 (2596cc) 2-stroke 1984-1996
175 hp, V6 (2596cc) 2-stroke 1984-1996
200 hp, V6 (2596cc) 2-stroke 1984-1996
220 hp, V6 (2596cc) 2-stroke 1984-1987
225 hp, 76 deg. V6 (3130cc) 2-stroke 1994-1996
225 hp, 90 deg. V6 (2596cc) 2-stroke 1987-1996
250 hp, V6 (3130cc) 2-stroke 1990-1996.


CONTENTS
GENERAL INFORMATION,
HOWTO USE THIS MANUAL
SAFETY AND TOOLS
BOATING SAFETY
BOATING EQUIPMENT
SAFETY IN SERVICE
TROUBLESHOOTING
SHOP EQUIPMENT
TOOLS
FASTENERS,MEASUREMENT,AND CONVERSIONS
SPECIFICATIONS
MAINTENANCE AND GENERAL INFORMATION
ENGINE MAINTENANCE
TUNE UP BOAT MAINTENANCE TUNE UP
TIMING AND SYNCHRONIZATION
VALVE CLEARANCE
CLEARINGA SUBMERGED MOTOR
SPECIFICATIONS
FUEL AND COMBUSTION BASICS
FUEL TANK AND LINES
CARBURETED FUEL SYSTEMS CARBURETOR SERVICE
FUEL PUMP SERVICE
REED VALVES ( 2 STROKE MOTORS)
SPECIFICATIONS
IGNITION AND UNDERSTANDING AND TROUBLE SHOOTING ELECTRICAL SYSTEMS
IGNITION SYSTEM YAMAHA MICRO COMPUTER IGNITION SYSTEM (YMIS)
CHARGING CIRCUIT
CRANKING CIRCUIT
SWITCHES/SOLENOIDS
TACHOMETERS
WIRING DIAGRAMS
SPECIFICATIONS
OIL INJECTION SYSTEM (2 STROKE) OIL INJECTION SYSTEM (INLINE)
LUBRICATION AND COOLING OIL INJECTION SYSTEM
OIL INJ ECTION WARNING SYSTEM
LUBRICATION SYSTEM (2 STROKE)
COOLINGSYSTEM
SPECIFICATIONS