KTM 300 EXC 2023 User Manual (English)

Other manuals for KTM 300 EXC 2023

Questions and Answers:

B
Brianna JohnsonAug 21, 2025
What to do if my KTM 300 EXC 2023 engine turns but does not start?
- N
  Nicholas JonesAug 21, 2025
  If your KTM Motorcycle engine turns but doesn't start, several factors could be at play. It might be an operating error, so ensure you're following the correct start procedure. Check if the quick release coupling is properly joined. A sooty or wet spark plug could also be the culprit; try cleaning and drying it, or replacing it if needed. Also, make sure that the plug gap of spark plug is adjusted correctly (0.6 mm (0.024 in)). Finally, the fuel supply may be interrupted, so verify the fuel tank breather.
J
Jennifer ThompsonAug 22, 2025
Why does my KTM 300 EXC 2023 engine have too little power?
- L
  Linda BennettAug 22, 2025
  If your KTM Motorcycle engine has too little power, start by checking the air and fuel filters for dirt; clean or replace them as needed. Make sure the fuel screen is not dirty (replace it if needed) and that the fuel supply isn't interrupted by checking the fuel tank breather. Inspect the exhaust system for leaks or deformation and consider replacing the glass fiber yarn filling in the main silencer. Also, a faulty ignition could be the cause, so check the ignition coil, spark plug connector and the alternator’s stator winding. Finally, check the diaphragm and reed valve housing for damage and ensure that the ambient pressure is correctly stored.
B
Brett HarrisonAug 25, 2025
What to do if KTM 300 EXC 2023 Motorcycle engine dies during the trip?
- C
  Christopher PrestonAug 25, 2025
  If your KTM Motorcycle engine dies during a trip, consider these potential causes. First, check if you're simply out of fuel and refuel if necessary. Next, make sure the engine isn't taking in false air by ensuring the intake flange is firmly seated. Also, a loose or oxidized connector or ignition coil could be the issue; clean the connector and treat it with contact spray. Lastly, ensure the ambient pressure is correctly stored.
A
amandajacksonAug 26, 2025
What causes a KTM 300 EXC 2023 engine to not speed up?
- R
  Ricky JonesAug 26, 2025
  If your KTM Motorcycle engine does not speed up, there could be a malfunction in the electronic fuel injection. Check the wiring for damage and the electrical plug-in connectors for corrosion and damage. Faulty ignition could also be the cause, so check the ignition coil, spark plug connector and the alternator’s stator winding. Finally, ensure that the ambient pressure is correctly stored.
B
Brianna CharlesAug 27, 2025
How to troubleshoot a KTM 300 EXC 2023 engine that does not speed up?
- E
  Erin WilliamsAug 27, 2025
  If your KTM Motorcycle engine does not speed up, the issue may stem from a faulty ignition system. Check the ignition coil's primary winding, the spark plug connector, and the alternator's stator winding. It's also possible that the ambient pressure is incorrectly stored. If so, you should program the ambient air pressure.
J
Jane RojasAug 29, 2025
What to do if my KTM 300 EXC 2023 Motorcycle engine dies during the trip?
- M
  martinezkimberlyAug 29, 2025
  If your KTM Motorcycle engine dies during the trip, first check if you're out of fuel and refuel if necessary. The engine might be taking in false air, so ensure the intake flange is firmly seated. A loose or oxidized connector or ignition coil can also cause this issue; clean the connector and treat it with contact spray. Finally, the ambient pressure may be incorrectly stored, requiring you to program the ambient air pressure.
A
Adam ShawAug 30, 2025
How to fix a KTM 300 EXC 2023 when the engine cannot be cranked?
- B
  brandonmillerAug 30, 2025
  If the starter motor on your KTM Motorcycle isn't cranking the engine, several things could be wrong. You might be making an operating error, so double-check the start procedure. The 12-V battery could be discharged, so charge it and check the charging voltage, closed current, and the alternator's stator winding. A blown main fuse could also be the problem, so replace it. Finally, the starter relay or the starter motor itself might be faulty, so check them.
D
Deanna RiceSep 1, 2025
Why KTM Motorcycle engine has no idle speed?
- M
  Michael PerezSep 1, 2025
  If your KTM Motorcycle engine has no idle speed, the spark plug might be defective, so replace it. Faulty ignition could also be the cause, so check the ignition coil, spark plug connector and the alternator’s stator winding. It's also possible that the idle speed is not set correctly, so adjust it.
L
Laura DuncanSep 3, 2025
What does it mean when the malfunction indicator lamp lights up on my KTM 300 EXC 2023?
- X
  xjenningsSep 3, 2025
  If the malfunction indicator lamp lights up or flashes on your KTM Motorcycle, it indicates a malfunction in the electronic fuel injection. Check the wiring for damage and the electrical plug-in connectors for corrosion and damage.
A
Amy WilsonSep 4, 2025
Why is the 12-V battery discharged on my KTM 300 EXC 2023?
- R
  Robert WellsSep 4, 2025
  If the 12-V battery is discharged on your KTM Motorcycle, it could be due to the alternator not charging it. Check the charging voltage and the stator winding of the alternator. Alternatively, there might be an unwanted electrical power consumer, so check the open-circuit current.

KTM 300 EXC 2023 Specifications

General

Displacement	293.2 cc
Bore x Stroke	72 mm x 72 mm
Starter	Electric starter
Transmission	6-speed
Cooling	Liquid cooled
Front Suspension	WP XPLOR-USD, Ø 48 mm
Fuel Tank Capacity	9 liters
Ground Clearance	370 mm
Seat Height	960 mm
Weight (without fuel)	103.4 kg
Engine Type	2-stroke
Rear Suspension	WP Xplor PDS
Front Brake	Disc brake
Rear Brake	220 mm disc
Frame	Central double-cradle-type 25CrMo4 steel

Summary

Safety Advice

Use Definition and Intended Use

Defines the intended use of the vehicle for EXC and XC-W models.

Misuse

Explains what constitutes misuse of the vehicle and its associated dangers.

General Safety Advice

Provides general instructions to follow for safe operation of the motorcycle.

Degrees of Risk and Symbols

Defines risk levels and associated symbols used throughout the manual.

Tampering Warning

Warns against tampering with the noise control system and exhaust components.

Safe Operation

Provides critical safety advice for operating the vehicle safely.

Protective Clothing

Emphasizes the importance of wearing appropriate protective clothing for safety.

Owner's Manual

Stresses reading the manual carefully for safe operation and maintenance.

Controls

Stop Button (All EXC models)

Explains the function and states of the stop button.

Stop Button (All XC-W models)

Explains the function and states of the stop button.

Emergency OFF Switch (All EXC models)

Explains the function of the emergency OFF switch.

Overview of Indicator Lights (All EXC models)

Details the meaning of various indicator lights on the dashboard.

Overview of Indicator Lights (All XC-W models)

Details the meaning of indicator lights for XC-W models.

Opening the Fuel Tank Filler Cap

Closing the Fuel Tank Filler Cap

Cold Start Button

Steering Lock (All EXC models)

Describes the location and purpose of the steering lock.

Locking the Steering (All EXC models)

Provides instructions on how to lock the motorcycle's steering.

Unlocking the Steering (All EXC models)

Provides instructions on how to unlock the motorcycle's steering.

Combination Instrument

Combination Instrument Overview

Activation and Test

Adjusting Combination Instrument Function

Preparing for Use

Advice on Preparing for First Use

Provides essential advice for preparing the motorcycle for initial use.

Running in the Engine

Details the procedure and precautions for running in the engine.

Preparing the Vehicle for Difficult Operating Conditions

Offers guidance for operating the vehicle in challenging conditions.

Preparing the Vehicle for Riding on Dry Sand

Provides specific preparation steps for riding on dry sand.

Preparing the Vehicle for Riding on Wet Sand

Details preparation steps for riding on wet sand.

Preparing the Vehicle for Riding on Wet and Muddy Circuits

Offers preparation advice for wet and muddy circuit riding.

Preparing Vehicle for High Temperatures or Slow Riding

Provides preparation steps for hot conditions or slow riding.

Preparing the Vehicle for Low Temperatures or Snow

Gives preparation advice for riding in cold or snowy conditions.

Riding Instructions

Checks and Maintenance Measures When Preparing for Use

Lists essential checks and maintenance before every ride.

Starting the Vehicle

Provides instructions and safety warnings for starting the engine.

Starting Off

Details the procedure for starting off from a standstill.

Shifting and Riding

Explains gear shifting, riding techniques, and engine warnings.

Braking

Offers advice on proper braking techniques and potential issues.

Stopping and Parking

Provides instructions for safely stopping and parking the motorcycle.

Refueling

Details safety precautions and procedures for refueling the vehicle.

Adding 2-Stroke Oil

Explains how to add 2-stroke oil and warnings about engine failure.

Service Schedule

Required Work

Lists all required maintenance tasks at different intervals.

Recommended Work

Tuning the Chassis

Checking the Basic Chassis Setting with the Rider's Weight

Explains how to adjust chassis settings based on rider weight.

Compression Damping of the Shock Absorber

Adjusting the Low-Speed Compression Damping of the Shock Absorber

Provides instructions for adjusting the low-speed compression damping.

Adjusting the High-Speed Compression Damping of the Shock Absorber

Guides on adjusting the high-speed compression damping of the shock absorber.

Adjusting the Rebound Damping of the Shock Absorber

Details how to adjust the rebound damping of the shock absorber.

Measuring the Dimension of the Rear Wheel Unloaded

Checking the Static Sag of the Shock Absorber

Guides on checking the static sag of the rear shock absorber.

Checking the Riding Sag of the Shock Absorber

Adjusting the Spring Preload of the Shock Absorber

Provides instructions for adjusting the spring preload of the shock absorber.

Adjusting the Riding Sag

Checking the Basic Setting of the Fork

Adjusting the Compression Damping of the Fork

Adjusting the Rebound Damping of the Fork

Adjusting the Spring Preload of the Fork

Provides instructions for adjusting the spring preload of the front fork.

Adjusting the Handlebar Position

Service Work on the Chassis

Raising the Motorcycle with a Lift Stand

Provides instructions for safely raising the motorcycle on a lift stand.

Removing the Motorcycle from the Lift Stand

Details the procedure for safely removing the motorcycle from a lift stand.

Bleeding the Fork Legs

Removing the Fork Legs

Installing the Fork Legs

Removing the Lower Triple Clamp (All Standard Models)

Removing the Lower Triple Clamp (All Special Models)

Installing the Lower Triple Clamp (All Standard Models)

Installing the Lower Triple Clamp (All Special Models)

Checking the Steering Head Bearing Play

Explains how to check for play in the steering head bearing.

Adjusting the Steering Head Bearing Play

Provides instructions for adjusting the steering head bearing play.

Removing the Shock Absorber

Installing the Shock Absorber

Cleaning the Air Filter and Air Filter Box

Changing the Glass Fiber Yarn Filling of the Main Silencer

Removing the Fuel Tank

Installing the Fuel Tank

Cleaning the Chain

Checking the Chain Tension

Adjusting the Chain Tension

Details the procedure for adjusting the chain tension.

Checking the Chain, Rear Sprocket, Engine Sprocket, and Chain Guide

Checking the Frame

Checking the Link Fork

Adjusting the Basic Position of the Clutch Lever

Checking/Correcting the Fluid Level of the Hydraulic Clutch

Changing the Hydraulic Clutch Fluid

Brake System

Checking the Free Travel of the Hand Brake Lever

Adjusting the Free Travel of the Handbrake Lever (All EXC models)

Details how to adjust the free travel of the handbrake lever.

Adjusting the Basic Position of the Hand Brake Lever (All XC-W models)

Provides instructions for adjusting the hand brake lever position.

Checking the Brake Discs

Checking the Front Brake Fluid Level

Adding Front Brake Fluid

Provides instructions for adding front brake fluid.

Checking the Front Brake Linings

Changing the Brake Linings of the Front Brake

Details the procedure for changing the front brake linings.

Checking the Free Travel of Foot Brake Lever

Adjusting the Basic Position of the Foot Brake Lever

Provides instructions for adjusting the foot brake lever position.

Checking the Rear Brake Fluid Level

Adding Rear Brake Fluid

Provides instructions for adding rear brake fluid.

Checking the Brake Linings of the Rear Brake

Changing the Rear Brake Linings

Details the procedure for changing the rear brake linings.

Wheels, Tires

Removing the Front Wheel

Provides instructions for safely removing the front wheel.

Installing the Front Wheel

Details the procedure for installing the front wheel.

Removing the Rear Wheel

Guides on how to safely remove the rear wheel.

Installing the Rear Wheel

Provides instructions for installing the rear wheel.

Checking the Tire Condition

Checking Tire Pressure

Guides on checking and adjusting tire pressure.

Checking Spoke Tension

Electrical System

Removing the 12-V Battery

Provides instructions for safely removing the 12-V battery.

Installing the 12-V Battery

Details the procedure for installing the 12-V battery.

Charging the 12-V Battery

Guides on how to properly charge the 12-V battery.

Changing Main Fuse

Explains how to replace the main fuse for electrical protection.

Changing the Fuses of Individual Electrical Power Consumers

Removing the Headlight Mask with the Headlight

Installing the Headlight Mask with the Headlight

Checking the Headlight Setting

Adjusting the Headlight Range

Changing the Combination Instrument Battery

Diagnostics Connector

Cooling System

Checking the Antifreeze and Coolant Level

Explains how to check antifreeze and coolant levels.

Checking the Coolant Level

Draining the Coolant

Refilling with Coolant

Changing the Coolant

Guides on how to perform a complete coolant change.

Tuning the Engine

Checking the Play in the Throttle Cable

Adjusting the Play in the Throttle Cable

Provides instructions for adjusting the throttle cable play.

Setting the Characteristic Map of the Throttle Response

Guides on changing the throttle response using guide plates.

Adjusting the Idle Speed

Details how to adjust the engine's idle speed.

Programming Ambient Air Pressure

Changing the Ignition Timing Map (All Standard Models)

Checking the Basic Position of the Shift Lever

Adjusting the Basic Position of the Shift Lever

Service Work on the Engine

Changing the Fuel Screen

Checking 2-Stroke Oil Level

Explains how to check the 2-stroke oil level in the tank.

Priming Oil Pump

Cleaning the Oil Screen in the Oil Tank

Checking the Gear Oil Level

Explains how to check the gear oil level.

Changing the Gear Oil

Details the procedure for changing the gear oil.

Adding the Gear Oil

Provides instructions for adding gear oil.

Cleaning, Care

Cleaning the Motorcycle

Checks and Maintenance Steps for Winter Operation

Storage

Provides detailed steps for storing the motorcycle for extended periods.

Preparing for Use After Storage

Outlines the necessary steps to prepare the motorcycle after storage.

Troubleshooting

Blink Code

Technical Data

Engine Specifications

Engine Tightening Torques

Lists the specified tightening torques for engine components.

Chassis Specifications

Electrical System Specifications

Fork Specifications

Shock Absorber Specifications

Chassis Tightening Torques

Lists the specified tightening torques for chassis components.

List of Symbols

Red Symbols

Yellow and Orange Symbols

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74 pages

KTM 300 EXC 2023 User Manual

Table of Contents

Other manuals for KTM 300 EXC 2023

Questions and Answers:

KTM 300 EXC 2023 Specifications

Summary

Safety Advice

Use Definition and Intended Use

Misuse

General Safety Advice

Degrees of Risk and Symbols

Tampering Warning

Safe Operation

Protective Clothing

Owner's Manual

Controls

Stop Button (All EXC models)

Stop Button (All XC-W models)

Emergency OFF Switch (All EXC models)

Overview of Indicator Lights (All EXC models)

Overview of Indicator Lights (All XC-W models)

Opening the Fuel Tank Filler Cap

Closing the Fuel Tank Filler Cap

Cold Start Button

Steering Lock (All EXC models)

Locking the Steering (All EXC models)

Unlocking the Steering (All EXC models)

Combination Instrument

Combination Instrument Overview

Activation and Test

Adjusting Combination Instrument Function

Preparing for Use

Advice on Preparing for First Use

Running in the Engine

Preparing the Vehicle for Difficult Operating Conditions

Preparing the Vehicle for Riding on Dry Sand

Preparing the Vehicle for Riding on Wet Sand

Preparing the Vehicle for Riding on Wet and Muddy Circuits

Preparing Vehicle for High Temperatures or Slow Riding

Preparing the Vehicle for Low Temperatures or Snow

Riding Instructions

Checks and Maintenance Measures When Preparing for Use

Starting the Vehicle

Starting Off

Shifting and Riding

Braking

Stopping and Parking

Refueling

Adding 2-Stroke Oil

Service Schedule

Required Work

Recommended Work

Tuning the Chassis

Checking the Basic Chassis Setting with the Rider's Weight

Compression Damping of the Shock Absorber

Adjusting the Low-Speed Compression Damping of the Shock Absorber

Adjusting the High-Speed Compression Damping of the Shock Absorber

Adjusting the Rebound Damping of the Shock Absorber

Measuring the Dimension of the Rear Wheel Unloaded

Checking the Static Sag of the Shock Absorber

Checking the Riding Sag of the Shock Absorber

Adjusting the Spring Preload of the Shock Absorber

Adjusting the Riding Sag

Checking the Basic Setting of the Fork

Adjusting the Compression Damping of the Fork

Adjusting the Rebound Damping of the Fork

Adjusting the Spring Preload of the Fork

Adjusting the Handlebar Position

Service Work on the Chassis

Raising the Motorcycle with a Lift Stand

Removing the Motorcycle from the Lift Stand

Bleeding the Fork Legs

Removing the Fork Legs

Installing the Fork Legs

Removing the Lower Triple Clamp (All Standard Models)

Removing the Lower Triple Clamp (All Special Models)

Installing the Lower Triple Clamp (All Standard Models)

Installing the Lower Triple Clamp (All Special Models)

Checking the Steering Head Bearing Play

Adjusting the Steering Head Bearing Play