1968 Yamaha 125 YAS1 YAS1C Motorcycle Service Manual

Description

This 1968 Yamaha 125 YAS1 YAS1-C Motorcycle Service Manual is a reproduction of the original 1968 Yamaha 125 YAS1 YAS1-C Motorcycle  Service Manual.  This service manual provides detailed service information, step-by-step repair instruction and maintenance specifications for the Yamaha 125 YAS1 and YAS1C 125-cc. parallel-twin two stroke motorcycles.

Table of Contents
General
Features
Specifications and External View
Performance Curves
Service Tools and Instruments
YAMAHA Autolube (Automatic separate lubricating system)
What is YAMAHA Autolube
Features Of YAMAHA Autolube
Handling the Oil Pump
5-Port Cylinder
Description Of  5-Port
Construction and Features
Performance Comparison
Engine
Removing the Engine
Cylinder Head
Cylinder
Piston Pin
Piston Ring
Piston
Crankcase Cover (R)
Clutch
Primary Drive Gear
Distance Collar
Kick-Starter
Drive Sprocket
Shifting Mechanism
Splitting the Crankcase
Transmission Assembly
Crankshaft
Bearings and Oil
Carburetor
Air Cleaner
Chassis
Front Wheel
Rear Wheel
Rear Arm
Fuel Tank
Front Fork
Rear Cushion (Shock absorber)
Electrical Equipment
General
Main Component
Caution on Handling Electrical Equipment
Connection Diagram
Wiring Diagram