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Suzuki UY125 Service Manual

Suzuki UY125
258 pages
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GROUP INDEX
GENERAL INFORMATION
1
PERIODIC MAINTENANCE
2
ENGINE
3
FUEL AND LUBRICATION
SYSTEM
4
CHASSIS
5
ELECTRICAL SYSTEM
6
SERVICING INFORMATION
7
FOREWORD
This manual contains an introductory description on
the SUZUKI UY125/S and procedures for its inspec-
tion/service and overhaul of its main components.
Other information considered as generally known is
not included.
Read the GENERAL INFORMATION section to
familiarize yourself with the motorcycle and its main-
tenance. Use this section as well as other sections
to use as a guide for proper inspection and service.
This manual will help you know the motorcycle bet-
ter so that you can assure your customers of fast
and reliable service.
!
THAI SUZUKI MOTOR CO., LTD.
© COPYRIGHT THAI SUZUKI MOTOR CO., LTD. 2005
* This manual has been prepared on the basis
of the latest specifications at the time of publi-
cation. If modifications have been made since
then, differences may exist between the con-
tent of this manual and the actual motorcycle.
* Illustrations in this manual are used to show
the basic principles of operation and work
procedures. They may not represent the
actual motorcycle exactly in detail.
* This manual is written for persons who have
enough knowledge, skills and tools, including
special tools, for servicing SUZUKI motorcy-
cles. If you do not have the proper knowledge
and tools, ask your authorized SUZUKI
motorcycle dealer to help you.
Inexperienced mechanics or mechanics
without the proper tools and equipment
may not be able to properly perform the
services described in this manual.
Improper repair may result in injury to the
mechanic and may render the motorcycle
unsafe for the rider and passenger.
http://mototh.com

Table of Contents

Questions and Answers:

Suzuki UY125 Specifications

General IconGeneral
BrandSuzuki
ModelUY125
CategoryScooter
LanguageEnglish

Summary

Foreword

General Information

Warnings, Cautions, and Notes

Explains the meaning of signal words for emphasis and special information.

General Safety and Service Precautions

Lists essential safety precautions for service mechanics and motorcycle operation.

Fuel and Oil Recommendations

Details recommended fuel grade, engine oil, and brake fluid specifications.

Break-In Procedures

Outlines the recommended break-in procedure for new motorcycles to ensure longevity.

Technical Specifications

Lists detailed technical specifications for dimensions, engine, transmission, and chassis.

Periodic Maintenance

Maintenance Schedule and Chart

Details recommended intervals for periodic service work and provides a maintenance chart.

Lubrication and Key Service Procedures

Identifies lubrication points and outlines general maintenance procedures.

Engine Component Service

Covers air cleaner, valve clearance, spark plug, and engine oil/filter service.

Brake System Maintenance

Procedures for brake lever play, pads, hoses, fluid, and discs.

Chassis and Wheel Checks

Inspection of tire tread, tire pressure, wheel runout, and spoke nipples.

Engine Performance Diagnostics

Checks for compression pressure, oil pressure, and automatic clutch operation.

Engine Service and Overhaul

Engine Removal and Disassembly

Step-by-step guides for removing, disassembling, and reinstalling the engine.

Core Engine Component Service

Inspection and service for cylinder head, piston, cylinder, and crankshaft.

Drivetrain Component Service

Procedures for servicing the clutch, drive belt, and related transmission parts.

Other Engine Systems Service

Service procedures for starter clutch, starter motor, reduction gear, and oil pump.

Chassis Service and Repair

Exterior Parts and Fairings

Procedures for removing and installing exterior fasteners and body panels.

Front Wheel and Brake System

Service procedures for the front wheel, brake disc, caliper, and master cylinder.

Front Fork and Steering System

Removal, disassembly, inspection, and reassembly of front forks and steering.

Rear Wheel, Brake, and Suspension

Service procedures for the rear wheel, brake, and suspension system.

Electrical System Service

Battery and Charging System

Information on battery maintenance, charging, and troubleshooting.

Electrical Testing and Component Location

Using a multi-circuit tester and identifying electrical component locations.

Starting and Ignition Systems

Troubleshooting and inspection of the starter motor, relay, and ignition system.

Lighting, Meters, and Switches

Inspection and replacement of lamps, speedometer, fuel meter, and switches.

Servicing Information and Data

Comprehensive Troubleshooting Guide

Lists common complaints, causes, and remedies for engine, chassis, brakes, and electrical systems.

Wiring Diagrams and Routing

Provides detailed wiring diagrams and guides for routing harnesses, cables, and hoses.

Special Tools and Torque Specifications

Lists required special tools and provides critical tightening torque values for fasteners.

Service Data and Component Limits

Comprehensive table of technical specifications and limits for engine, chassis, and electrical parts.

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