Used Yamaha YA5 125cc Service Manual

Description

This Used 1961-1964 Yamaha YA5 125cc provides detailed service information, step-by-step repair instruction and maintenance specifications for the Yamaha YA5 125cc motorcycle. Contains everything you need to know in order to service and restore your machine. This motorcycle manual includes a very nice color wiring diagram.

CONTENTS
CHAPTER 1 INTRODUCTION
Outstanding Feature Of the Model Y A-5
Specification of the Model YA-5 .
Completely New Mechanism of the Model YA-5 .
Tools for the Model YA.5 .

CHAPTER 2 ENGINE
-OVERHAULING ENGINE
Attaching and Dettaching Engine
How to Disassemble Cylinder
How to Disassemble Crank Case Cover (Left)
How to Disassemble Crank Case Cover (Right)
How to Disassemble Cranke Case
How to Disassemble Kick
How to Disassemble Mission Change
How to Disassemble Crank and Valve
-Assembly
Crank Case Assembly .
Attaching Rotary Valve .
Attaching Crank .
Assembling Transmission .
Attaching Kick
Assembling Right and Left Crank Cases .
Attaching Change Driving Mechanism
Attaching Clutch
Attaching Cylinder. Piston and Piston Ring
Attaching Dynamo and Ignition Timing Control
Attaching Left Case Cover
Attaching Inlet Cover, Carburetor, Air Cleaner and Carburetor Cover

Chapter 3 FRAME
Frame
Steering Handle and Wires
Front Fork .
Rear Arm .
Rear Cushion Unit
Fuel Tank and Saddle .
Foot Rest. Main Stand, Side Stand and Brake Pedal
Drive Chain System .
Front and Rear Wheels . .
Tires and Tubes
Brake Assembly

CHAPTER 4 ELECTRICAL EQUIPMENT
Electrical Equipment Of the Model Y A-5
Component parts .
Explanation of parts
A Ignition System .
B Starting and Charging System .
C Lighting and Signal Systems .
D Battery .

CHAPTER 5 PERIODICAL INSPECTION
Carburetor
Air Cleaner
Ignition Timing .
Spark Plug
Contact Points
Battery .
Carbon Brush .
Front Fork
Removing Carbon .
Lubrication

CHAPTER 6 TROUBLE SHOOTING
Failure to start .
Speed is slow, Engine Power is lower than usual
Engine overheats .
Clutch does not work well
Speed Change is inadequate .
Engine makes noise .
Handle is unsatisfactory .
Bad Cushion
Brake does not work well .
Charge is insufficient
Self-starter does not turn