KTM 640 LC4 SUPERMOTO 2003 User Manual

OWNER’S MANUAL
MANUALE D’USO
MANUEL D’UTILISATION
MANUAL DE INSTRUCCIONES
2003
BEDIENUNGSANLEITUNG
Art.Nr. 3.210.56 8/2002
640 LC4 ENDURO 640 LC4 SUPERMOTO

KTM 640 LC4 SUPERMOTO 2003 Specifications

General

Brand	KTM
Model	640 LC4 SUPERMOTO 2003
Category	Motorcycle
Language	English

Summary

Important Information and Warnings

Important Safety Notices

Crucial warnings and precautions for operating the motorcycle.

Introduction to Your KTM Motorcycle

Understanding Your Owner's Manual

Guidance on familiarizing yourself with the motorcycle's operation and maintenance.

Operation Instruments

Clutch, Decompression, and Brake Levers

Operation and adjustment of key handlebar controls.

Multi-functional Digital Speedometer

Speedometer Display Modes

Explanation of various display modes like CLOCK, ODO, and TRIP.

Suspension Adjustment

Fork Damping Adjustments

Setting compression and rebound damping for the front forks.

Shock Absorber Damping Adjustment

Adjusting compression and rebound damping for the rear shock.

Starting the Motorcycle

Initial Operation and Break-in Procedure

Steps for the first ride and the engine break-in period.

Essential Riding Safety Warnings

Crucial advice on protective gear, alcohol, and visibility.

Driving Instructions

Pre-Ride Checks and Procedures

Essential checks before starting the motorcycle for a ride.

Starting the Engine When Cold

Step-by-step guide for starting the engine in cold conditions.

Engine Starting Procedures

Starting Engine When Warm or Hot

Riding Techniques

Kickstart Instructions and Starting Off

Shifting, Riding, and Braking

Techniques for gear shifting, general riding, and effective braking.

Periodic Maintenance Schedule

Scheduled Maintenance Intervals

Overview of service checks and intervals for the motorcycle.

Recommended Maintenance Procedures

Key maintenance tasks recommended by KTM.

Vital Checks and Care Procedures

Owner and Mechanic Check Procedures

Essential checks performed by owner or mechanic.

Chain Maintenance

Checking and Correcting Chain Tension

How to check and adjust the motorcycle's chain tension.

Chain Wear and Maintenance

Chain Maintenance Best Practices

Identifying Chain Wear

KTM Disc Brakes

Brake Calipers, Pads, and Fluid Reservoirs

Brake Fluid Type and Disc Wear

Front Brake System

Front Brake Fluid and Pad Checks

Procedures for checking and refilling front brake fluid and pad thickness.

Rear Brake System

Rear Brake Fluid and Pad Checks

Procedures for checking and refilling rear brake fluid and pad thickness.

Wheel Removal and Installation

Dismounting and Mounting Front Wheel (LC4)

Step-by-step guide for removing and refitting the front wheel.

Dismounting and Mounting Front Wheel (Supermoto)

Rear Wheel and Hub Maintenance

Dismounting and Mounting Rear Wheel

Procedure for removing and refitting the rear wheel.

Battery Management

Charging the Motorcycle Battery

Cooling Liquid and Air Filter

Checking Cooling Liquid Level

Cleaning the Air Filter

Carburetor and Engine Oil

Engine Oil Specifications and Level Check

Recommended engine oil types and how to check the oil level.

Oil System Maintenance

Oil and Screen Filter Change

Procedures for changing the engine oil and fine screen filter.

Oil Filter Replacement

Replacing the Engine Oil Filter

Troubleshooting Engine Issues

Engine Cranking and Starting Problems

Diagnosing and resolving issues with the engine not cranking or starting.

Engine Performance and Idle Issues

Troubleshooting problems like engine failing to idle or rev high.

Technical Specifications - Chassis

Chassis and Fork Specifications

Detailed technical data for the frame, fork, and suspension.

Tire Specifications and Load Limits

Chassis Tightening Torques

Chassis Fastener Torque Specifications

Technical Data - Engine

Engine Specifications and Oil Requirements

Detailed engine data, including displacement, bore/stroke, and oil specs.

Basic Carburetor Settings

Carburetor Jetting and Settings

Wiring Diagram

Electrical System Wiring

Comprehensive diagram of the motorcycle's electrical connections.