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ZONGSHEN ZS125-86 User Manual

ZONGSHEN ZS125-86
85 pages
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ENGLISH
ZS125-86 Motorcycle Service Manual
First edition (April, 2017)
The copyright of this Motorcycle Service Manual is
owned by Zongshen Industrial Group. The content
and images in the Motorcycle Service Manual are
for reference only. Specifications are subject to the
physical product.
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ZONGSHEN ZS125-86 Specifications

General IconGeneral
Compression Ratio9.2:1
Fuel SystemCarburetor
IgnitionCDI
Transmission5-speed
ClutchWet multi-plate
Front SuspensionTelescopic fork
Rear SuspensionDual shock absorbers
Front BrakeDisc
Rear BrakeDrum
Front Tire2.75-18
Rear Tire3.00-18
Seat Height780 mm
Engine TypeSingle cylinder, 4-stroke, air-cooled
Displacement124 cc
Bore x Stroke56.5 mm x 49.5 mm
Starting SystemElectric and kick start
Frame TypeSteel tubular

Summary

Chapter 1 Overview

Section 1 Overview of Complete Motorcycle

Provides a comprehensive overview of the motorcycle's overall design, components, and key features.

Section 2 General Construction

Details the main systems composing the motorcycle, such as running, steering, and transmission.

Chapter 2 Knowledge about Maintenance

Section 1 Cautions

Crucial safety warnings and precautions to be observed during motorcycle maintenance procedures.

Section 2 Common Sense of Maintenance

Outlines general principles and practical advice for performing effective motorcycle upkeep and repair.

Section 3 Data Adjusting for Maintenance

Chapter 3 Complete Motorcycle

Section 1 Fuel Supply System

Covers components like the fuel tank, pump, injector, filter, and their principles.

Section 2 Cooling System

Details the engine's water-cooling system, its parts, and working principles for heat management.

Section 3 EFI System

Explains the Electronic Fuel Injection system, sensors, actuators, and control unit operation.

Section 4 Air Intake and Exhaust System

Describes the air cleaner, intake pipe, and exhaust system functionality for engine performance.

Section 5 Evaporative System (EVAP)

Focuses on the system that controls fuel vapor emissions and its maintenance requirements.

Section 6 Rear Driveline

Details the rear transmission, chain, sprockets, and their maintenance procedures.

Section 7 Frame and Accessory Mechanism

Covers the main frame structure and associated accessory components like stands and mirrors.

Section 8 Steering Gear

Explains the steering mechanism, column, bearings, and necessary maintenance.

Section 9 Steel Wire Rope for Control

Information on the maintenance and function of control cables and wire ropes.

Section 10 Damper

Describes the front and rear dampers, their structure, and maintenance procedures for suspension.

Section 11 Rear Fork

Details the rear fork assembly, its role in suspension, and maintenance procedures.

Section 12 Wheels

Covers wheel components, tires, rims, hubs, and maintenance procedures for safe operation.

Section 13 Brake

Explains the disc brake system, its operation, and maintenance for effective stopping power.

Section 14 Instrument

Describes the instrument cluster, speedometer, fuel gauge, and their functions.

Chapter 4: Electrical Parts

Section I Basic Knowledge

Introduces fundamental electrical concepts like current, voltage, resistance, and Ohm's Law.

Section 2 Power Supply

Details the motorcycle's electrical power sources, including the generator and storage battery.

Section 3 Control Part

Explains the electrical control components like regulators, relays, fuses, and switches.

Section 4 Power Consumption

Covers the electrical systems that consume power, including lighting, signals, and the starter.

Chapter 4 Motorcycle Fault Diagnostic Procedure

Section 1 Engine Fault Diagnostic Procedure

Provides a systematic approach to diagnosing and resolving engine performance issues like poor idling.

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