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Honda CL250 User Manual

Honda CL250
179 pages
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Table of Contents

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Honda CL250 Specifications

General IconGeneral
Displacement249cc
Fuel SystemCarburetor
Transmission5-speed
Final DriveChain
Front SuspensionTelescopic fork
Rear BrakeDrum
Engine TypeFour-stroke, single-cylinder
Front BrakeDisc
Length2, 080mm
Width820mm

Summary

1. TECHNICAL DATA

DIMENSIONS

Specifications of motorcycle dimensions, including overall length, width, height, and weight.

FRAME

Details on frame type, suspension, tire sizes, and brake system specifications.

ENGINE

Specifications related to the engine, such as type, bore, stroke, and compression ratio.

DRIVE TRAIN

Specifications for the clutch, transmission, and gear ratios.

ELECTRICAL

Specifications for the ignition, starting system, battery, and spark plugs.

2. SPECIAL TOOLS

Valve Tools

Specialized tools for valve seat cutting, reaming, and lifter operations.

Drive and Piston Tools

Tools for handling drive components and piston ring compressor/installation.

General Purpose Tools

Various specialized tools for tasks like bearing removal and dynamo inspection.

3. MINOR MODEL CHANGE TABLE

Fuel Tank Cap Changes

Modifications made to the fuel tank cap across different model years.

Seat and Lock Modifications

Changes implemented in the seat design and locking mechanisms.

Front Fork Design Changes

Updates and alterations in the front fork assembly design.

Rear Cushion Updates

Modifications and improvements to the rear suspension system.

4. ENGINE

4.1 MAIN FEATURES

Key features and design aspects of the engine, highlighting improvements.

4.2 POWER TRANSMISSION SYSTEM

Explanation of the power transmission system and its components.

4.3 DISMOUNTING THE ENGINE

Step-by-step instructions for safely removing the engine from the motorcycle.

4.4 REMOUNTING THE ENGINE

Procedures for correctly reinstalling the engine onto the motorcycle.

4.5 VALVE MECHANISM

Details on the valve mechanism, including disassembly and inspection.

4.6 PISTONS AND CYLINDERS

Information regarding pistons and cylinders, covering inspection and reassembly.

4.7 CAM CHAIN TENSIONER

Maintenance procedures for the cam chain tensioner.

4.8 LUBRICATING SYSTEM

Description and maintenance of the engine's oil lubrication system.

4.9 CLUTCH

Detailed information about the clutch system, including disassembly and inspection.

4.10 CRANKSHAFT AND CONNECTING RODS

Specifications and procedures for crankshaft and connecting rods.

4.11 TRANSMISSION

Information and procedures related to the transmission system.

4.12 GEAR SHIFT MECHANISM

Details on the gear shift mechanism, including inspection and disassembly.

4.13 KICK STARTER

Operation and maintenance of the kick starter system.

4.14 CRANKCASES

Information and procedures concerning the crankcase assembly.

4.15 CARBURETOR

Details and adjustments for the carburetor system.

5. FRAME

5.1 HANDLEBAR

Procedures for handlebar removal, inspection, and reassembly.

5.2 FORK TOP BRIDGE

Maintenance and inspection of the fork top bridge.

5.3 FRONT CUSHION

Details on the front suspension system, including disassembly and inspection.

5.4 STEERING STEM

Information and procedures for the steering stem assembly.

5.5 FUEL TANK

Procedures for fuel tank removal, inspection, and installation.

5.6 FRAME BODY

Description of the frame body construction and components.

5.7 SEAT

Maintenance and inspection procedures for the seat assembly.

5.8 STAND AND BRAKE PEDAL

Procedures for the inspection and maintenance of the stand and brake pedal.

5.9 EXHAUST PIPES AND MUFFLERS

Maintenance procedures for the exhaust pipes and mufflers.

5.10 AIR CLEANERS

Procedures for the removal, inspection, and installation of air cleaners.

5.11 REAR FORK AND REAR FENDER

Maintenance and inspection of the rear fork and fender components.

5.12 REAR CUSHION

Information on rear cushion types, operation, and maintenance.

6. ELECTRICAL PARTS

6.1 IGNITION SYSTEM

Details on the ignition coil, contact breaker, and spark plug.

6.2 GENERATING SYSTEM

Information on the AC generator and its performance characteristics.

6.3 RECTIFYING SYSTEM

Description and operation of the selenium rectifier.

6.4 BATTERY

Battery maintenance, inspection, and charging procedures.

6.5 STARTING SYSTEM

Details on the starting motor, starter clutch, and associated components.

6.6 SAFETY EQUIPMENT

Information on safety equipment including horn, speedometer, and lights.

WIRING DIAGRAM

CB250K4 Wiring Diagram (U.K. Type)

Electrical wiring schematic for the CB250K4 model (U.K. Type).

CB350K4 Wiring Diagram (U.S.A. Type)

Electrical wiring schematic for the CB350K4 model (U.S.A. Type).

CB350K4 Wiring Diagram (General Type)

General electrical wiring diagram for the CB350K4 model.

CL350K4 Wiring Diagram (U.S.A. Type)

Electrical wiring schematic for the CL350K4 model (U.S.A. Type).

CB350G Wiring Diagram (U.S.A. Type)

Electrical wiring schematic for the CB350G model (U.S.A. Type).

10. MAINTENANCE

10.1 MAINTENANCE SCHEDULE

Scheduled maintenance intervals and required tasks for the motorcycle.

10.2 TIGHTENING TORQUE STANDARD

Recommended torque values for various fasteners and components.

10.3 TROUBLE SHOOTING

Guidance for diagnosing and resolving common engine and operational problems.

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