1974 – 1977 Yamaha GT80B GTMXB Service Manual

Description

This 100 page, 1974 1975 1976 1977 Yamaha GT80B GTMXB Service Manual is a reproduction of the original out of print manual. This manual provides detailed service information, step-by-step repair instruction and maintenance specifications for 1974 – 1977 Yamaha GT80B GTMXB motorcycles. This manual is intended to provide vital technical service information to keep the GT80B/ GTMXB in good working condition.

Table of Contents

Chapter 1 General
Profile
Features
Specifications
Tools And Instruments

Chapter 2 Yamaha Autolube (Separate Automatic Lubricating System)
What Is Yamaha Autolube?
Features Of Yamaha Autolube
Autolube Pump – Inspection And Adjustment

Chapter 3 What Is Torque Induction ?
Reed Valve – Construction And Handling
8 Action Of Reed Valve In Torque Induction

Chapter 4 Mechanical Adjustments
Clutch Adjustment
Shift Adjustment
Carburetor Adjustment
Ignition Timing Adjustment

Chapter 5 Engine Removal And Overhauling
Engine Removal
Overhauling

Chapter 6 Engine Assembling And Mounting
Crankcase
Crankshaft
Transmission Assembly
Crankcase Reassembly
Shifter Installation
Kick Starter Mechanism
Clutch
Case cover
Piston, piston Rings and Piston Pin
Cylinder
Cylinder Head
Reed Valve
Mounting The Engine

Chapter 7 Carburetor
Purpose Of The Carburetor
Construction
Operation Of The VM-type Carburetor
Starter Jet System
Float Chamber
Mixing Chamber
Overhauling And Cleaning
Carburetor Adjustment
Fuel Leakage

Chapter 8 Chassis
Front Wheel
Rear Wheel
Rear Sprocket
Tires And Tubes
Front Forks
Rear Shock Absorbers
Gas Tank
Rear Swing Arm
Steering Head
Oil Tank, Battery Box And Tool Box
Frame
Handle Bar
Miscellaneous

Chapter 9 Electrical System
Description
Table Of Components Parts
Connection Diagram
Ignition System Function And Service
Ignition Timing
Ignition Coil
Condenser
Charging System
Battery
Checking The Main Switch (Removed From The Chassis) (GT80B)
Spark Plug
Lighting And Signal Systems (GT80B)
Conversion Tables