KTM 640 LC4 Adventure 2002 User Manual

OWNER’S MANUAL
MANUALE D’USO
MANUEL D’UTILISATION
MANUAL DE INSTRUCCIONES
2003
BEDIENUNGSANLEITUNG
Art.Nr. 3.210.57 9/2002
640 LC4 ADVENTURE

KTM 640 LC4 Adventure 2002 Specifications

General

Engine Type	Single-cylinder, four-stroke
Displacement	625 cc
Bore x Stroke	101 x 78 mm
Compression Ratio	11.5:1
Cooling System	Liquid-cooled
Transmission	5-speed
Front Tire	90/90-21
Rear Tire	140/80-18
Power	50 hp
Torque	55 Nm
Frame	Steel trellis frame
Rear Suspension	Monoshock
Front Brake	Single disc, 300 mm
Dry Weight	158 kg
Rear Brake	Single disc, 240 mm

Summary

Introduction and Safety

Introduction

Welcome to KTM, importance of the manual, and general advice for operation.

Important Warnings and Precautions

Critical safety warnings and general precautions for motorcycle operation and maintenance.

Operation Instruments and Controls

Identification and Basic Controls

Serial numbers, levers (clutch, decompression, brake, choke), and ignition lock.

Digital Speedometer and Indicators

Operating the speedometer, understanding modes, and interpreting indicator lamps.

Switches, Fuel System, and Starting

Using switches, managing fuel, and operating the starter and kickstarter.

Driving, Braking, and Parking Procedures

Driving and Starting Guidelines

Tips for initial operation, starting, shifting, riding, and braking safely.

Stopping, Parking, and Refueling

Proper procedures for stopping, parking the motorcycle, and refueling safely.

Maintenance Schedules and Procedures

Periodic Maintenance and Vital Checks

Scheduled maintenance intervals and essential checks for optimal motorcycle care.

Chassis, Suspension, and Chain Maintenance

Maintenance for chassis, suspension, steering, chain, and brakes.

Wheels, Tires, and Battery Care

Procedures for wheels, tires, spokes, battery, and electrical system components.

Engine Systems and Component Maintenance

Electrical System Components

Procedures for replacing headlight bulbs and removing the headlight mask.

Cooling System and Air Filter

Maintaining the cooling system and cleaning the air filter for engine health.

Adjustments and Fluid Checks

Adjusting controls, checking fluid levels, and performing oil/filter changes.

Troubleshooting Common Issues

Engine and Electrical Troubleshooting

Diagnosing and resolving common engine, electrical, and operational problems.

Cleaning, Winterization, and Storage

Motorcycle Cleaning and Care

Proper methods for cleaning and preserving the motorcycle's appearance.

Winterization and Storage Procedures

Steps for preparing the motorcycle for winter storage and re-initiation.

Technical Specifications and Data

Engine Specifications and Torques

Detailed engine data, settings, gear ratios, and tightening torques.

Chassis Specifications and Adjustments

Chassis data, suspension adjustments, and tightening torques.

USA Consumer Information

Safety Defect Reporting and Noise Warranty

Procedures for reporting safety defects and information on noise emission warranty.

Vehicle Emission Control and Specifications

USA specific emission controls, model details, and vehicle certifications.