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Honda CD125S User Manual

Honda CD125S
101 pages
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Table of Contents

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Honda CD125S Specifications

General IconGeneral
BrandHonda
ModelCD125S
CategoryMotorcycle
LanguageEnglish

Summary

I. PROCEDURE OF PERFORMING THE WORK

II. MAINTENANCE OPERATIONS

III. ENGINE

2. Engine removal and installation

Step-by-step guide for removing and reinstalling the engine.

3. CYLINDER, CYLINDER HEAD AND PISTON

Procedures for cylinder, head, and piston disassembly and assembly.

5. OIL PUMP AND OIL FILTER

Detailed explanation of the oil pump and filter system operation and servicing.

6. CLUTCH

Detailed information on the clutch assembly, its components, and operation.

7. GEAR SHIFT MECHANISM

Description and operation of the motorcycle's gear shift mechanism.

8. CAM CHAIN TENSIONER AND A.C. GENERATOR

Servicing the cam chain tensioner and the AC generator components.

9. CRANKSHAFT

Detailed information on the crankshaft, its components, and servicing.

3. Cylinder, cylinder head and piston

Procedures for cylinder, head, and piston disassembly and assembly.

B. Engine Reinstallation

Procedures for correctly reinstalling the engine back into the frame.

4. Valve removal

Steps for removing intake and exhaust valves from the cylinder head.

5. Oil pump and oil filter

Maintenance and servicing of the engine oil pump and filter.

IV. CHASSIS

1. Front brake and front wheel

Disassembly, inspection, and assembly of the front brake and wheel.

A. Disassembly

Step-by-step instructions for disassembling the rear suspension shock absorbers.

1. FRONT BRAKE AND FRONT WHEEL

Disassembly, inspection, and assembly of the front brake and wheel.

2. Rear brake and rear wheel

Disassembly, inspection, and assembly of the rear brake and wheel.

4. Front suspension

Servicing and inspection of the front suspension forks.

5. Rear suspension

Servicing and inspection of the rear suspension shock absorbers.

V. ELECTRICAL

1. Generating system

Components and function of the AC generator and charging system.

1. GENERATING SYSTEM

Components and function of the AC generator and charging system.

2. Charging system

Testing and maintenance of the battery charging system.

3. Ignition system

Components and troubleshooting of the ignition system.

TROUBLE SHOOTING

Engine does not start or hard starting

Troubleshooting steps for engine starting issues.

Poor engine performance at low speed

Troubleshooting poor engine performance at low speeds.

Battery self

Troubleshooting battery issues like self-discharge or internal faults.

Engine suddenly stalls while running

Troubleshooting steps for engine stalling problems.

Poor engine performance at high speed

Troubleshooting poor engine performance at high speeds.

Winker lamp blinks too fast or too slow

Troubleshooting turn signal blinker speed issues.

Engine noise

Troubleshooting common engine noises and their causes.

Hard steering

Troubleshooting causes of stiff or difficult steering.

Winker lamp inoperative

Troubleshooting causes of non-functioning turn signal lamps.

Knocking from clutch

Troubleshooting causes of knocking noise originating from the clutch.

Front and rear suspension function too weak

Troubleshooting weak front and rear suspension performance.

Horn inoperative, poor sound or too weak sound

Troubleshooting horn malfunctions causing no sound or weak sound.

Clutch slips

Troubleshooting common causes of clutch slippage.

Front and rear suspension function too hard

Troubleshooting stiff front and rear suspension performance.

Tail light and head light inoperative

Troubleshooting electrical issues with tail and head lights.

Clutch disengages improperly

Troubleshooting improper clutch disengagement issues.

Ineffective brake

Troubleshooting common causes of ineffective braking.

Stop light inoperative

Troubleshooting causes of the stop light not functioning.

Gear does not shift in

Troubleshooting problems with gear shifting.

Exhaust smoke from muffler

Troubleshooting causes of excessive exhaust smoke from the muffler.

Change pedal does not return to its position

Troubleshooting issues with the gear change pedal return.

Insufficient horsepower

Troubleshooting causes of reduced engine horsepower.

Gear jumps out while running

Troubleshooting causes of gears jumping out during operation.

Overheating

Troubleshooting causes of engine overheating.

PERIODICAL MAINTENANCE

TECHNICAL DATA

WIRING DIAGRAM

7. GEAR SHIFT MECHANISM

B. Reassembly

9. CRANKSHAFT

B. Inspection

5. REAR SUSPENSION

3. IGNITION SYSTEM

4. BATTERY

ELECTRICAL SYSTEM

Engine does not start

Troubleshooting electrical causes for engine not starting.

I. MAINTENANCE OPERATIONS

II. ENGINE

A. Engine Removal

Detailed steps for safely removing the engine from the motorcycle frame.

B. Engine Installation

III. ENGINE, CHASSIS AND ELECTRICAL

CHASSIS

Technical Data

B. Stator Inspection

MAINTENANCE SCHEDULE

SPECIFICATIONS

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