KTM 450 EXC-F 2019 User Manual (English)

Questions and Answers:

M
michael39Aug 19, 2025
How to fix a KTM 450 EXC-F 2019 Motorcycle that won't crank?
- S
  Sarah WatkinsAug 19, 2025
  If your KTM Motorcycle engine cannot be cranked using the electric starter, several factors could be responsible. First, ensure you are following the correct start procedure. A discharged battery is a common cause; recharge the battery and check the charging voltage, open-circuit current, and the alternator's stator winding. Another possibility is a blown main fuse, which you should replace. Additionally, the starter relay or the starter motor itself could be defective, requiring inspection.
S
shannon80Aug 22, 2025
What to do if my KTM Motorcycle engine dies while riding?
- C
  Carrie RamirezAug 22, 2025
  If your KTM Motorcycle engine dies during a trip, the most straightforward cause is a lack of fuel, so refuel. Additionally, check fuses 1 and 4; if either is blown, replace them.
N
nunezalanAug 26, 2025
Why my KTM Motorcycle engine does not speed up?
- P
  Peter McbrideAug 26, 2025
  If your KTM Motorcycle engine does not speed up, it could be due to a defect in the fuel injection system, which requires reading the fault memory using the KTM diagnostics tool. Another potential cause is a defective ignition system. Check the ignition coil's secondary winding, the spark plug connector, and the alternator's stator winding.
J
Judith WardAug 28, 2025
Why is my KTM Motorcycle engine overheating?
- R
  Renee HuangAug 28, 2025
  If your KTM Motorcycle engine overheats, start by checking the coolant level in the cooling system and inspect for leaks. Ensure there is sufficient airflow, and switch off the engine when stationary. Clean any dirt from the radiator fins. If there's foam in the cooling system, drain and refill the coolant. Also, check for a bent radiator hose and replace it if necessary. Finally, inspect the thermostat to ensure it's functioning correctly; it should open at 70 °C (158 °F).
M
Margaret HarrisAug 31, 2025
Why does my KTM Motorcycle have no power?
- M
  Michael ParkAug 31, 2025
  If your KTM Motorcycle engine has too little power, several issues could be the cause. A heavily contaminated air filter could be restricting airflow, so clean the air filter and air filter box. A dirty fuel filter or fuel screen can also reduce power, so replace them as needed. Other potential causes include a defect in the fuel injection system (diagnose with the KTM tool), a leaky or deformed exhaust system (check for damage and replace the glass fiber yarn filling in the main silencer), valve clearance that is too little (adjust the valve clearance), or a defective ignition system (check the ignition coil, spark plug connector, and alternator stator winding).
J
James ThomasSep 3, 2025
What does it mean when the malfunction indicator lamp lights up on my KTM 450 EXC-F 2019?
- K
  Kevin LarsonSep 3, 2025
  If the malfunction indicator lamp lights up or flashes on your KTM Motorcycle, it indicates a defect in the fuel injection system. Stop the motorcycle and identify the faulty part using the blink code. Check the cabling for damage and the electrical plug-in connectors for corrosion and damage. Also, read out the fault memory using the KTM diagnostics tool.
R
rowekarenSep 6, 2025
Why is my KTM 450 EXC-F 2019 Motorcycle consuming so much oil?
- C
  Courtney JohnsonSep 6, 2025
  If your KTM Motorcycle is experiencing high oil consumption, there are several possible causes. Ensure the engine vent hose is not bent; route it without bends or replace it if necessary. Check the engine oil level and ensure it is not too high. If the engine oil is too thin, change the engine oil and oil filter, and clean the oil screens. Finally, worn piston and cylinder can contribute to high oil consumption, so measure the piston/cylinder mounting clearance.
A
Angela LeeSep 9, 2025
Why aren't my horn, brake light, turn signal, and radiator fan working on my KTM 450 EXC-F 2019?
- M
  Mr. Donald Wright DDSSep 9, 2025
  If the horn, brake light, turn signal, and radiator fan are not working on your KTM Motorcycle, the cause is likely a blown fuse 3. Replace the fuse.
V
Valerie LoweSep 12, 2025
What causes a KTM 450 EXC-F 2019 Motorcycle battery to discharge?
- G
  gomezhenrySep 12, 2025
  If your KTM Motorcycle battery is discharged, it may not be charging properly. Check the charging voltage and the stator winding of the alternator. Also, check for any undesired power consumers by checking the open-circuit current.

KTM 450 EXC-F 2019 Specifications

General

Engine Type	Single-cylinder, 4-stroke
Displacement	449.9 cc
Bore x Stroke	95 mm x 63.4 mm
Transmission	6-speed
Seat Height	960 mm
Front Suspension	WP XPLOR 48, USD fork
Starter	Electric starter
Cooling	Liquid cooled
Ground Clearance	370 mm
Compression Ratio	12.75:1
Fuel System	Electronic fuel injection
Rear Suspension	WP XPLOR
Front Brake	260 mm disc
Rear Brake	220 mm disc
Frame	Chromoly steel

Summary

MEANS OF REPRESENTATION

Symbols Used in Manual

Explains symbols for warnings, notes, and references in the manual.

Typographical Formats Explained

Defines how text formatting such as proprietary names and underlined terms is used.

SAFETY ADVICE

Intended Use and Misuse Guidelines

Defines the vehicle's intended purpose and the dangers of misuse.

Risk Degrees and Warning Symbols

Explains danger, warning, caution, and note symbols for risk identification.

Tampering and Safe Operation

Warns against tampering and provides safe operation advice, including ventilation.

Protective Clothing and Work Rules

Emphasizes wearing protective gear and following proper work procedures.

Environmental Responsibility and Manual

Highlights environmental consciousness and the importance of the owner's manual.

IMPORTANT NOTES

Warranty and Service Requirements

Details warranty coverage conditions and the necessity of authorized service.

Operating Substances and Spare Parts

Advises on correct fluids, environmental hazards, and using approved parts.

Service and Vehicle Figures

Stresses proper service for longevity and notes on manual figures.

Customer Service and Dealer Information

Information on contacting KTM dealers for support.

VIEW OF VEHICLE

Front Left Vehicle Identification

Identifies key components from the front left view of the motorcycle.

Rear Right Vehicle Identification

Identifies key components from the rear right view of the motorcycle.

SERIAL NUMBERS

Chassis, Type Label, and Key Numbers

Locates the chassis, type label, and key numbers on the vehicle.

Engine and Fork Part Numbers

Identifies the location of the engine number and fork part number.

Shock Absorber Article Number

Shows where to find the article number for the shock absorber.

CONTROLS

Handlebar Controls: Levers and Grip

Describes clutch, hand brake levers, and the throttle grip on the handlebar.

Handlebar Controls: Kill Switch

Location and function of the kill switch.

Handlebar Switches: Horn, Lights, Signals

Details horn button, light switch, and turn signal switch.

Emergency OFF Switch and Indicator Lamps

Explains the emergency OFF switch and dashboard indicator lamps.

Electric Starter and Combination Switch

Explains the electric starter button and multi-function combination switch.

Filler Cap and Cold Start Operation

Instructions for opening/closing the filler cap and using the cold start button.

Idle Speed and Lever Adjustments

Covers adjusting idle speed and basic positions of levers.

Shift Lever, Foot Brake, and Side Stand

Describes the function and operation of the shift lever, foot brake, and side stand.

Steering Lock Mechanism

Instructions for locking and unlocking the motorcycle's steering.

COMBINATION INSTRUMENT

Instrument Overview and Basic Functions

Introduces the instrument display, activation, and setting kilometers/miles.

Clock, Lap Time, and Display Modes

Explains setting the clock, viewing lap times, and various display modes.

Instrument Function Tables

Summarizes instrument functions, conditions, and menu activation tables.

PREPARING FOR USE

First Use Safety and Rider Preparation

Essential advice for first-time riders, including safety, clothing, and handling.

Engine Break-in and Battery Care

Guides on engine running-in and lithium-ion battery performance in cold.

Adapting to Difficult Riding Conditions

Specific preparation steps for various challenging terrains like sand and mud.

Riding in Extreme Temperatures

Advice for riding in high temperatures, low temperatures, or snow.

RIDING INSTRUCTIONS

Pre-Ride Checks and Vehicle Starting

Essential checks before riding and procedures for starting the motorcycle.

Traction Control and Riding Techniques

Instructions for activating traction control and basic riding/shifting techniques.

Braking, Stopping, and Parking

Detailed guidance on braking, stopping safely, and parking the motorcycle.

Transporting and Refueling Procedures

Covers securing the motorcycle for transport and safe refueling practices.

SERVICE SCHEDULE

Service Information and Requirements

Notes on service intervals, scope, and warranty implications.

Required and Recommended Maintenance

Lists mandatory and recommended service tasks at different intervals.

TUNING THE CHASSIS

Basic Suspension Setup by Rider Weight

Guide to adjusting suspension settings based on rider weight.

Shock Absorber Damping Adjustments

Detailed instructions for adjusting compression and rebound damping.

Measuring and Adjusting Sag

Procedures for measuring static/riding sag and adjusting spring preload.

Fork Setting and Damping Adjustments

Covers basic fork settings, compression, and rebound damping adjustments.

Handlebar Position Adjustment

Steps to adjust the handlebar position for rider comfort and ergonomics.

SERVICE WORK ON THE CHASSIS

Lift Stand Operations and Fork Service

Procedures for using a lift stand, bleeding forks, and cleaning dust boots.

Fork Leg and Triple Clamp Service

Detailed steps for removing/installing fork legs and triple clamps.

Steering Head Bearing and Fender Service

Instructions for checking/adjusting steering head bearing play and servicing the front fender.

Shock Absorber and Seat Service

Procedures for removing/installing the shock absorber and seat.

Air Filter Box and Air Filter Maintenance

Steps for removing, installing, and cleaning the air filter and its box.

Main Silencer and Fuel Tank Service

Procedures for removing/installing the main silencer and fuel tank.

Chain Service and Tension Adjustment

Covers chain cleaning, tension checking, and adjustment.

Sprocket, Chain Guide, Frame, and Swingarm Checks

Inspecting sprockets, chain guide, frame, and swingarm for wear or damage.

Throttle Cable and Clutch System Service

Ensuring proper throttle cable routing and servicing the hydraulic clutch fluid.

BRAKE SYSTEM

Hand Brake Lever Travel and Adjustment

Procedures for checking and adjusting the free travel of the hand brake lever.

Brake Disc and Front Brake System Checks

Inspecting brake discs, front brake fluid level, and linings.

Adding Front Brake Fluid and Linings Replacement

Steps for adding front brake fluid and replacing front brake linings.

Foot Brake Lever Travel and Position

Checking and adjusting the free travel and basic position of the foot brake lever.

Rear Brake System Checks and Fluid

Checking rear brake fluid level and rear brake linings.

Adding Rear Brake Fluid and Linings Replacement

Steps for adding rear brake fluid and replacing rear brake linings.

WHEELS, TIRES

Front Wheel Service Procedures

Detailed steps for removing and installing the front wheel.

Rear Wheel Service Procedures

Detailed steps for removing and installing the rear wheel.

Tire Condition and Air Pressure Checks

Inspecting tires for wear, damage, age, and checking air pressure.

Spoke Tension Verification

Method for checking spoke tension and correcting if necessary.

ELECTRICAL SYSTEM

Battery Maintenance and Charging

Procedures for battery removal, installation, and recharging.

Fuse Replacement Procedures

Guide for changing main fuses and fuses for individual power consumers.

Headlight and Turn Signal Bulb Service

Steps for replacing headlight bulbs and turn signal bulbs.

Headlight Setting and Combination Instrument

Checking/adjusting headlight aim and replacing the combination instrument.

Diagnostics Connector Location

Identifies the location of the vehicle's diagnostics connector.

COOLING SYSTEM

Coolant Level and Antifreeze Checks

Procedures for checking coolant level and antifreeze protection.

Coolant Draining and Refilling

Detailed steps for draining and refilling the cooling system.

TUNING THE ENGINE

Throttle Cable Play Adjustment

Checking and adjusting the play in the throttle cables for proper operation.

Engine Mapping and Throttle Response

Explains how to change engine mapping and adjust throttle response characteristics.

Idle Speed and Throttle Valve Teaching

Procedures for setting idle speed and teaching the throttle valve position.

Shift Lever Position Adjustment

Checking and adjusting the basic position of the shift lever.

SERVICE WORK ON THE ENGINE

Fuel Screen Replacement

Steps for replacing the fuel screen to ensure proper fuel flow.

Engine Oil Level and Filter Change

Comprehensive guide to checking oil level, changing oil, filter, and screens.

Adding Engine Oil

Instructions for adding engine oil if the level is low.

CLEANING, CARE

Motorcycle Cleaning and Drying Procedures

Proper methods for washing, rinsing, and drying the motorcycle to prevent damage.

Winter Operation Maintenance Steps

Essential maintenance for vehicles used in winter to prevent corrosion.

STORAGE

Motorcycle Storage Preparation

Steps for preparing the motorcycle for long-term storage, including fluid checks and battery care.

Post-Storage Vehicle Preparation

Procedures for getting the motorcycle ready for use after it has been stored.

TROUBLESHOOTING

Engine Starting and Cranking Issues

Troubleshooting steps for when the engine won't crank or start.

Engine Performance and Power Problems

Diagnosing issues like low power, overheating, or malfunction indicator lamps.

Battery and Electrical System Faults

Troubleshooting common electrical problems, including fuses and battery issues.

TECHNICAL DATA

Engine Specifications and Tightening Torques

Key engine dimensions, capacities, and torque values for assembly.

Chassis and Suspension Specifications

Details on frame, suspension travel, wheel alignment, and weight limits.

Electrical System Components and Tires

Lists electrical components, tire specifications, and fork settings.

Chassis Fastener Torque Values

Specific torque values for various chassis mounting points.

SUBSTANCES

Recommended Fluids: Brake, Coolant, Engine Oil

Specifies approved types and standards for brake fluid, coolant, and engine oil.

Specialty Fluids and Fuel Grades

Details fork oil, shock absorber fluid, and recommended fuel grades.

STANDARDS

JASO T903 MA2 and SAE Standards

Explains standards for motorcycle engine oil and viscosity classification.

INDEX OF SPECIAL TERMS

OBD System Definition

Defines the On-Board Diagnosis system and its function.

LIST OF SYMBOLS

Warning and Information Symbols Explained

Clarifies the meaning of yellow/orange warning symbols and green/blue information symbols.

Related product manuals

KTM 450 EXC-F Six Days 2017

KTM 450 EXC-F SIX DAYS 2023

KTM 450 EXC-F 2019 User Manual

Table of Contents

Questions and Answers:

KTM 450 EXC-F 2019 Specifications

Summary

MEANS OF REPRESENTATION

Symbols Used in Manual

Typographical Formats Explained

SAFETY ADVICE

Intended Use and Misuse Guidelines

Risk Degrees and Warning Symbols

Tampering and Safe Operation

Protective Clothing and Work Rules

Environmental Responsibility and Manual

IMPORTANT NOTES

Warranty and Service Requirements

Operating Substances and Spare Parts

Service and Vehicle Figures

Customer Service and Dealer Information

VIEW OF VEHICLE

Front Left Vehicle Identification

Rear Right Vehicle Identification

SERIAL NUMBERS

Chassis, Type Label, and Key Numbers

Engine and Fork Part Numbers

Shock Absorber Article Number

CONTROLS

Handlebar Controls: Levers and Grip

Handlebar Controls: Kill Switch

Handlebar Switches: Horn, Lights, Signals

Emergency OFF Switch and Indicator Lamps

Electric Starter and Combination Switch

Filler Cap and Cold Start Operation

Idle Speed and Lever Adjustments

Shift Lever, Foot Brake, and Side Stand

Steering Lock Mechanism

COMBINATION INSTRUMENT

Instrument Overview and Basic Functions

Clock, Lap Time, and Display Modes

Instrument Function Tables

PREPARING FOR USE

First Use Safety and Rider Preparation

Engine Break-in and Battery Care

Adapting to Difficult Riding Conditions

Riding in Extreme Temperatures

RIDING INSTRUCTIONS

Pre-Ride Checks and Vehicle Starting

Traction Control and Riding Techniques

Braking, Stopping, and Parking

Transporting and Refueling Procedures

SERVICE SCHEDULE

Service Information and Requirements

Required and Recommended Maintenance

TUNING THE CHASSIS

Basic Suspension Setup by Rider Weight

Shock Absorber Damping Adjustments

Measuring and Adjusting Sag

Fork Setting and Damping Adjustments

Handlebar Position Adjustment

SERVICE WORK ON THE CHASSIS

Lift Stand Operations and Fork Service

Fork Leg and Triple Clamp Service

Steering Head Bearing and Fender Service

Shock Absorber and Seat Service

Air Filter Box and Air Filter Maintenance

Main Silencer and Fuel Tank Service

Chain Service and Tension Adjustment

Sprocket, Chain Guide, Frame, and Swingarm Checks

Throttle Cable and Clutch System Service

BRAKE SYSTEM

Hand Brake Lever Travel and Adjustment

Brake Disc and Front Brake System Checks

Adding Front Brake Fluid and Linings Replacement

Foot Brake Lever Travel and Position

Rear Brake System Checks and Fluid

Adding Rear Brake Fluid and Linings Replacement

WHEELS, TIRES

Front Wheel Service Procedures

Rear Wheel Service Procedures

Tire Condition and Air Pressure Checks