This workshop service repair manual covers the Yamaha 25BMH and 30HMH Outboard Motors, designed for marine propulsion. These 2-cylinder, 2-stroke engines displace 496 cc and feature a water-cooled system. Key components include a recoil starter, flywheel magnet ignition, and a comprehensive fuel system with a fuel joint, filter, pump, and carburetor. The engineering quality and reliability of these outboard motors are supported by detailed maintenance and repair information provided within this manual, ensuring optimal performance for their intended use.
This manual provides extensive guidance for owners, mechanics, and technicians. It details scheduled maintenance procedures, including periodic checks and tightening torques, alongside in-depth repair procedures for a wide array of systems. These include the fuel system, ignition system, electrical components, charging system, CDI unit, and various mechanical parts such as the crankshaft, drive shaft, and propeller shaft housing. Troubleshooting guidance is also included, offering solutions for common issues. The manual also contains essential technical specifications and wiring diagrams, making it an indispensable resource for maintaining and repairing the Yamaha 25BMH and 30HMH outboard motors.
YAMAHA 2 STROKE 25BMH 30HMH OUTBOARD MOTOR WORKSHOP SERVICE REPAIR MANUAL
MODEL COVERED:
YAMAHA 2 STROKE 30HMH OUTBOARD MOTOR
YAMAHA 2 STROKE 25BMH OUTBOARD MOTOR
ENGINE COVERED:
496 cc 2-CYLINDER, 2-STROKE, WATER-COOLED
CONTENTS:
GENERAL INFORMATION
GENERAL PRECAUTIONS
SPECIFICATIONS
PERIODIC MAINTENANCE
SPECIAL TOOLS
TIGHTENING TORQUE
FUEL SYSTEM
FUEL JOINT, FUEL FILTER,
FUEL PUMP, WATER PUMP
CARBURETOR SYSTEM
RECOIL STARTER
FLYWHEEL MAGNET
POWER UNIT SYSTEM
MAGNET BASE AND CONTROL LEVER
INTAKE MANIFOLD AND REED VALVES
CYLINDER HEAD SYSTEM
EXHAUST COVER SYSTEM
CRANKCASE, SHIFT ROD
CRANKSHAFT AND CYLINDER BODY
PROPELLER SHAFT HOUSING
DRIVE SHAFT SYSTEM
LOWER CASE, SHIMMING
BACKLASH SYSTEM
STEERING HANDLE
BOTTOM COWLING
SHIFT ACTUATOR
UPPER CASE SYSTEM
STEERING ARM
CLAMP BRACKETS
ELECTRICAL SYSTEM
ELECTRICAL COMPONENT
IGNITION SYSTEM
CHARGING SYSTEM
IGNITION CONTROL SYSTEM
CDI UNIT SYSTEM
TROUBLE ANALYSIS
WIRING DIAGRAM
THIS MANUAL IS COMPATIBLE WITH THE FOLLOWING COMPUTER OPERATING SYSTEMS:
# ALL WINDOWS VERSION
# ALL MAC VERSION
# YOU NEED THE ADOBE ACROBAT READER TO VIEW THE DOCUMENT AS THE MANUAL IS PDF FORMAT. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM ADOBE ACROBAT WEBSITE
# AS THIS MANUAL IS COMING TO YOU IN ZIP FORMAT, YOU NEED TO EXTRACT THE FILE BEFORE USE BY USING WINZIP OR WINRAR SOFTWARE. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM WINZIP WEBSITE
A full comprehensive Electronic Workshop Manual . This is Recommend for professional mechanics and even for non-experienced people who wants to save money by making the repairs themselves. This is the same type of service manual your local dealer as well as the technician use when doing a repair & servicing for your vehicle.
Reason to buy this manual:
Save forever to your hard disc because a disc become faulty anytime
No need to waste time by waiting for postal delivery
Readable by any Devices with PDF Reader
Ready to Print
High Definition diagrams
Well structured contents
Very detailed instructions
Bookmarks for every chapter
No need to install any extra software
YAMAHA 2 STROKE 25BMH 30HMH OUTBOARD MOTOR WORKSHOP SERVICE REPAIR MANUAL
MODEL COVERED:
YAMAHA 2 STROKE 30HMH OUTBOARD MOTOR
YAMAHA 2 STROKE 25BMH OUTBOARD MOTOR
ENGINE COVERED:
496 cc 2-CYLINDER, 2-STROKE, WATER-COOLED
CONTENTS:
GENERAL INFORMATION
GENERAL PRECAUTIONS
SPECIFICATIONS
PERIODIC MAINTENANCE
SPECIAL TOOLS
TIGHTENING TORQUE
FUEL SYSTEM
FUEL JOINT, FUEL FILTER,
FUEL PUMP, WATER PUMP
CARBURETOR SYSTEM
RECOIL STARTER
FLYWHEEL MAGNET
POWER UNIT SYSTEM
MAGNET BASE AND CONTROL LEVER
INTAKE MANIFOLD AND REED VALVES
CYLINDER HEAD SYSTEM
EXHAUST COVER SYSTEM
CRANKCASE, SHIFT ROD
CRANKSHAFT AND CYLINDER BODY
PROPELLER SHAFT HOUSING
DRIVE SHAFT SYSTEM
LOWER CASE, SHIMMING
BACKLASH SYSTEM
STEERING HANDLE
BOTTOM COWLING
SHIFT ACTUATOR
UPPER CASE SYSTEM
STEERING ARM
CLAMP BRACKETS
ELECTRICAL SYSTEM
ELECTRICAL COMPONENT
IGNITION SYSTEM
CHARGING SYSTEM
IGNITION CONTROL SYSTEM
CDI UNIT SYSTEM
TROUBLE ANALYSIS
WIRING DIAGRAM
THIS MANUAL IS COMPATIBLE WITH THE FOLLOWING COMPUTER OPERATING SYSTEMS:
# ALL WINDOWS VERSION
# ALL MAC VERSION
# YOU NEED THE ADOBE ACROBAT READER TO VIEW THE DOCUMENT AS THE MANUAL IS PDF FORMAT. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM ADOBE ACROBAT WEBSITE
# AS THIS MANUAL IS COMING TO YOU IN ZIP FORMAT, YOU NEED TO EXTRACT THE FILE BEFORE USE BY USING WINZIP OR WINRAR SOFTWARE. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM WINZIP WEBSITE
A full comprehensive Electronic Workshop Manual . This is Recommend for professional mechanics and even for non-experienced people who wants to save money by making the repairs themselves. This is the same type of service manual your local dealer as well as the technician use when doing a repair & servicing for your vehicle.
Reason to buy this manual:
Save forever to your hard disc because a disc become faulty anytime
No need to waste time by waiting for postal delivery
Readable by any Devices with PDF Reader
Ready to Print
High Definition diagrams
Well structured contents
Very detailed instructions
Bookmarks for every chapter
No need to install any extra software
