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KTM Supermoto 640LC4 User Manual

KTM Supermoto 640LC4
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OWNERS HANDBOOK
MANUALE D’USO
MANUEL D’UTILISATION
MANUAL DE INSTRUCCIONES
2002
BEDIENUNGSANLEITUNG
Art.Nr. 3.210.21 9/2001
640 LC4 640 LC4 SUPERMOTO

Table of Contents

Questions and Answers:

KTM Supermoto 640LC4 Specifications

General IconGeneral
Engine TypeSingle cylinder, 4-stroke
Displacement625 cc
Bore x Stroke101 mm x 78 mm
Cooling SystemLiquid cooled
Compression Ratio11.7:1
Transmission5-speed
Front SuspensionWP USD 48 mm
Rear SuspensionWP monoshock
Front Tire120/70 R17
Rear Tire160/60 R17
Seat Height910 mm
Power54 hp
Fuel SystemKeihin FCR 41
IgnitionDigital
Front BrakeSingle disc, 320 mm
Rear BrakeSingle disc, 220 mm

Summary

Important Safety and Usage Information

Introduction to Your KTM Motorcycle

Serial Number Locations

Chassis Number

Locates and describes the chassis number for identification.

Engine Number and Type

Details on locating and identifying the engine number and type.

Operation Instruments

Clutch Lever

Explains the operation and adjustment of the clutch lever.

Hand Decompression Lever

Describes the function and usage of the hand decompression lever.

Choke Lever

Details on operating the choke lever for cold starts and its adjustment.

Hand Brake Lever

Explains the function and checks for the hand brake lever.

Speedometer and Indicator Lamps

Description of the speedometer, odometer, and various indicator lamps.

Ignition Lock with 4 Switch Positions

Operation of the ignition lock with four distinct switch positions.

Ignition Lock with 3 Switch Positions

Operation of the ignition lock with three distinct switch positions.

Combination Switch

Explains the functions of the combination switch for lights and horn.

Starter Tip Switch and Emergency OFF Switch

Details on using the starter and emergency off switches for safety.

Filler Cap

Instructions for opening and closing the fuel filler cap.

Fuel

Specifies the type of gasoline required and cautions for its use.

Fuel Tap

Explains the operation of the fuel tap (OFF, ON, RES) and its importance.

Shift Lever

Description of the shift lever and gear position indication.

Kickstarter

Instructions and safety warnings for using the kickstarter.

Foot Brake Pedal

Details on the foot brake pedal and its adjustment.

Fork Compression Damping

How to adjust the compression damping of the front fork.

Fork Rebound Damping

How to adjust the rebound damping of the front fork.

Shock Absorber Compression Damping

How to adjust the compression damping of the rear shock absorber.

Shock Absorber Rebound Damping

How to adjust the rebound damping of the rear shock absorber.

Holding Bars

Describes the passenger holding bars on the rear of the vehicle.

Driving Instructions

Starting the Engine Cold

Step-by-step guide for starting the engine when it is cold.

Starting the Engine Warm or Hot

Procedure for starting the engine when it is warm or hot.

Engine Flooding Procedure

Procedure for starting the engine if it is flooded.

Kickstart Instructions

Detailed instructions and safety for using the kickstarter.

Starting Off

Steps and safety precautions for starting to ride the motorcycle.

Shifting and Riding

Guidance on shifting gears and riding the motorcycle safely.

Braking Instructions

Instructions and safety advice for effective braking.

Stopping and Parking

Procedure for safely stopping and parking the motorcycle.

Center Stand Usage

Instructions and cautions for using the motorcycle's center stand.

Side Stand Usage

Instructions and cautions for using the motorcycle's side stand.

Periodic Maintenance Schedule

Vital Checks and Care Procedures

Maintenance Work on Chassis and Engine

Tool Set

Locates and describes the tool set for maintenance.

Removing the Seat

Step-by-step guide for removing and refitting the motorcycle seat.

Steering Head Bearing Check and Adjustment

Procedure for checking and adjusting the steering head bearing for play.

Shock Absorber Spring Preload Adjustment

How to adjust the spring preload on the rear shock absorber.

Shock Absorber Linkage Lubrication

Instructions for lubricating the shock absorber linkage.

Rear Shock Absorber Rubber Ring Check

Procedure for checking the rubber ring on the rear shock absorber for wear.

Chain Tension Check

How to check and adjust the chain tension for proper operation.

Correct Chain Tension

Details on setting the correct chain tension and wheel alignment.

Chain Maintenance

Guidance on maintaining the X-ring chain for longevity.

Chain Wear Check

Method for checking chain wear and when to replace it.

KTM Disc Brakes Information

General information on KTM disc brakes, calipers, pads, and fluid.

Hand Brake Lever Free Travel Adjustment

How to adjust the free travel on the hand brake lever.

Front Brake Fluid Level Check

Procedure for checking the brake fluid level in the front brake reservoir.

Front Brake Fluid Reservoir Refill

Instructions for refilling the front brake fluid reservoir.

Front Brake Pads Check

How to inspect the thickness of the front brake pads.

Foot Brake Pedal Position Adjustment

Procedure for adjusting the basic position of the foot brake pedal.

Rear Brake Fluid Level Check

Procedure for checking the brake fluid level in the rear brake reservoir.

Rear Brake Fluid Reservoir Refill

Instructions for refilling the rear brake fluid reservoir.

Rear Brake Pads Check

How to inspect the thickness of the rear brake pads.

Front Wheel Dismounting and Mounting (LC4)

Detailed steps for removing and installing the front wheel on LC4 models.

Front Wheel Dismounting and Mounting (LC4 Supermoto)

Steps for removing and installing the front wheel on LC4 Supermoto.

Rear Wheel Dismounting and Mounting (LC4)

Procedure for removing and installing the rear wheel on LC4 models.

Rear Wheel Dismounting and Mounting (LC4 Supermoto)

Steps for removing and installing the rear wheel on LC4 Supermoto.

Rear Hub Shock Absorption Rubbers Check

How to check the shock absorption rubbers in the rear wheel hub for wear.

Tire Pressure and Type

Information on approved tires, types, and correct air pressure.

Spoke Tension Check

How to check and adjust spoke tension for wheel stability.

Battery Maintenance

Details on battery removal, installation, and general care.

Charging the Battery

Procedure and guidelines for charging the motorcycle battery.

Main Fuse Location and Replacement

Locating and replacing the main fuse, with safety precautions.

Individual Fuses

Information on fuses for individual power-consuming units.

Headlight Lamp Exchange

Step-by-step guide for replacing the headlight bulb.

Parking Light Bulb Replacement

Procedure for replacing the parking light bulb.

Brake Light and Tail Light Bulb Exchange

Instructions for replacing brake and tail light bulbs.

Cooling System Overview

Explanation of the cooling system's function and potential overheating causes.

Cooling Liquid Level Check

How to check the cooling liquid level when the engine is cold.

Air Filter Cleaning

Procedure for cleaning the air filter for engine longevity.

Idle Speed Adjustment

How to adjust the engine's idle speed using the adjusting screw.

Throttle Cable Adjustment

How to adjust the throttle cable for correct free play.

Carburetor Float Chamber Draining

Procedure for draining the carburetor float chamber.

Clutch Cable Adjustment

How to adjust the play in the clutch cable.

Choke Cable Play Check and Adjustment

How to check and adjust the choke cable play.

Hand Decompression Cable Adjustment Check

Procedure for checking and adjusting the hand decompression cable.

Engine Oil Specifications

Details on the recommended type and quality of engine oil.

Engine Oil Level Check

Procedure for checking the engine oil level correctly.

Oil Circuit Diagram and Explanation

Diagram and explanation of the motorcycle's oil circulation system.

Oil and Screen Filter Change Procedure

Steps for changing engine oil, filters, and bleeding the oil system.

Oil Filter Change

Procedure for replacing the engine oil filter.

Trouble Shooting

Cleaning Your Motorcycle

Winter Operation Conservation

Storage and Re-initiation

Re-initiation After Storage

Procedure for preparing the motorcycle after a period of storage.

Technical Specifications - Chassis

Technical Data - Engine

Consumer Information for USA Only

Reporting Safety Defects

Procedure for reporting safety defects to NHTSA and KTM.

Noise Emission Warranty

Information regarding the warranty for the exhaust system's noise emissions.

Tampering Warning

Warning against tampering with the noise control system.

Warning Statement

Statement regarding checks for repair or replacement if noise increases.

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