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ZONGSHEN ZS250GY-3 User Manual

ZONGSHEN ZS250GY-3
76 pages
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ENGLISH
ZS250GY-3 (EFI)MOTOCYCLE
SERVICE MANUAL
The first edition(Dec.2017)
Zongshen industrial group reserves all rights of this
service manual.
The specifications and pictures in this manual are
only for reference.

Table of Contents

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ZONGSHEN ZS250GY-3 Specifications

General IconGeneral
BrandZONGSHEN
ModelZS250GY-3
CategoryMotorcycle
LanguageEnglish

Summary

Chapter 1 General Information

Section 1 Vehicle Introduction

Introduces the ZS250GY-3 motorcycle, its features, and key components.

Section 2 Structure

1 Riding System

Explains the function and components of the motorcycle's riding system.

2 Operation and Brake System

Describes the function of operation and brake systems for motorcycle safety.

3 Transmission System

Details the function and components of the motorcycle's transmission system.

4 Fuel Supply System

Explains the function and components of the fuel supply system.

5 Electrical System

Describes the function and components of the motorcycle's electrical system.

6 Engine

Defines the engine as the power producer and refers to its service manual.

Chapter 2 Maintenance Knowledge

Section 1 Attention Items of Maintenance

Lists important points and precautions for motorcycle maintenance.

Disassembly of Motorcycle

Explains the principles and precautions for disassembling motorcycle components.

Repair Methods and Skills

Covers essential repair skills like chiseling, filing, scraping, and rubbing.

Section 3 Adjusting Data of Maintenance

Chapter 3 Vehicle

3 The cause,trouble description and repair method of fuel supply system

Section 2 EFI system

Section 3 Inlet and Exhaust System

5 The cause,trouble description and repair method of inlet and exhaust system

Section 4 Rear Transmission Device

3 The cause,trouble description and repair method of rear transmission device

Section 5 Frame and Accessaries

3 The cause,trouble description and repair method of frame and accessories

Section 6 Steering System

The cause,trouble description and repair method of direction pole

The cause,trouble description and repair method of operation system

Section 8 Shock Absorber

4 The cause,trouble description and repair method of front/rear shock absorber

Section 9 Rear Fork

3 The cause,trouble description and repair method of rear fork

Section 10 Wheel

3 The cause,trouble description and repair method of wheel

Section 11 Brake

Section 12 Meter

3 The cause,trouble description and repair method of meter

Chapter 4 Electrical System

Power Supply Part Troubleshooting

Power Consumption Part Troubleshooting

Chapter 5 Analysis of Motorcycle Troubles

Section 1 Analysis of Engine Trouble

Provides guidance for analyzing and troubleshooting engine problems.

1.1 Analysis of Poor Idle Speed of Engine

Offers a flowchart for diagnosing poor engine idle speed.

1.2 Analysis of Insufficient Engine Power

Provides a flowchart for diagnosing insufficient engine power.

1.3 Analysis of Engine Start

Presents a flowchart for diagnosing engine starting problems.

1.4 Analysis of engine overheating

Offers a flowchart for diagnosing engine overheating issues.

1.5 Analysis of over consumption of engine fuel

Provides a flowchart for diagnosing excessive engine fuel consumption.

1.7 Analysis of gearshift

Offers a flowchart for diagnosing difficult gearshifts.

1.8 Analysis of derailleur gearshift

Provides a flowchart for diagnosing derailleur gearshift problems.

1.9 Analysis of slide and uncomplete disengagement of clutch

Guides diagnosis of clutch sliding and incomplete disengagement.

Section 2 Analysis of electrical part

2.1 Analysis of battery

Provides a flowchart for diagnosing battery charging issues.

2.2 Analysis of battery

Guides diagnosis for battery not fully charging.

2.3 Analysis of starting motor

Offers a flowchart for diagnosing starting motor problems.

2.4 Analysis of starting motor

Guides diagnosis for weak starting motor performance.

2.5 Analysis of illuminating light

Provides a flowchart for diagnosing problems with illuminating lights.

2.8 fault diagnostic program of direction indicator lamp

Offers a flowchart for diagnosing direction indicator lamp faults.

2.9 Analysis of electric horn

Guides diagnosis for electric horn not making sound.

2.10 Analysis of brake light

Provides a flowchart for diagnosing brake light illumination issues.

2.11 Analysis of ignition system

Guides diagnosis for engine starting hard or failing to start.

APPENDIX: CIRCUIT DIAGRAM

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