KTM 250 EXC TPI 2018 User Manual (English)

Questions and Answers:

J
Jason DavisAug 18, 2025
What to do if my KTM Motorcycle engine turns but does not start?
- L
  Lauren TranAug 18, 2025
  If your KTM Motorcycle engine turns over but doesn't start, potential causes include an incorrectly set idle speed (adjust it), a disconnected fuel line (join it), or a fuel supply interruption (check the fuel tank breather). Also, the spark plug could be oily or wet (clean, dry, or replace it), the plug gap might be too wide (adjust to 1.3 mm), or there could be a fault in the ignition (check ignition coil, spark plug connector, and alternator stator winding). Other possible reasons are a defective fuel injection system (check cabling and connections, read the fault memory), a frayed wiring harness or defective kill switch (check wiring harness and electrical system), or a loose/oxidized connector or ignition coil (clean the connector and use contact spray).
A
Annette ShepherdAug 20, 2025
How to fix a KTM Motorcycle that won't crank?
- D
  david15Aug 20, 2025
  If your KTM Motorcycle engine cannot be cranked using the electric starter, it might be due to an operating error (carry out the start procedure), a discharged battery (recharge the battery, check the charging voltage, closed current, and stator winding of the alternator), or a blown main fuse (change the main fuse). It could also be a faulty starter relay (check the starter relay) or a faulty starter motor (check the starter motor).
J
Joshua SheppardAug 23, 2025
Why is my KTM 250 EXC TPI 2018 engine overheating?
- R
  Rebecca RayAug 23, 2025
  If your KTM Motorcycle engine overheats, there are several potential causes. Check for too little coolant in the cooling system (look for leakage and check the coolant level). Ensure there's enough air stream, and switch off the engine when stationary. Also, inspect the radiator fins for dirt and clean them if necessary.
K
Kristen WestAug 26, 2025
What causes KTM Motorcycle engine to overheat?
- D
  Daryl CharlesAug 26, 2025
  If your KTM Motorcycle engine overheats, consider these possible causes: foam formation in the cooling system (drain and refill the coolant), a damaged cylinder head or cylinder head gasket (check them), a bent radiator hose (change it), or a defective thermostat (check the thermostat; guideline opening temperature: 70 °C (158 °F)).
L
Lori CharlesAug 28, 2025
Why KTM 250 EXC TPI 2018 Motorcycle engine does not speed up?
- N
  natalie04Aug 28, 2025
  If your KTM Motorcycle engine does not speed up, it could be due to a defect in the fuel injection system (check the cabling for damage and the electrical plug-in connections for corrosion and damage; read out the fault memory using the KTM diagnostics tool), faulty ignition (check ignition coil, spark plug connector, and the stator winding of the alternator), or incorrectly stored ambient pressure (program ambient pressure).
J
Jordan McmillanAug 30, 2025
What to do if KTM 250 EXC TPI 2018 engine dies during the trip?
- C
  Cristian ComptonAug 30, 2025
  If your KTM Motorcycle engine dies during a trip, the possible reasons could be a lack of fuel (refuel), the engine taking in false air (check that the intake flange is firmly seated), a loose or oxidized connector or ignition coil (clean the connector and treat it with contact spray), or incorrectly stored ambient pressure (program ambient pressure).
J
jacquelinesheltonSep 4, 2025
Why KTM 250 EXC TPI 2018 engine has no idle?
- U
  unavarroSep 4, 2025
  If your KTM Motorcycle engine has no idle, the issue might stem from a defective spark plug (change it), faulty ignition (check ignition coil, spark plug connector, and the stator winding of the alternator), or an incorrectly set idle speed (adjust the idle speed).
D
davidmedinaSep 7, 2025
What does it mean if the malfunction indicator lamp lights up on my KTM Motorcycle?
- M
  Mitchell WilliamsSep 7, 2025
  If the malfunction indicator lamp lights up or flashes on your KTM Motorcycle, it indicates a defect in the fuel injection system. Check the cabling for damage and the electrical plug-in connections for corrosion and damage. You may also need to read out the fault memory using the KTM diagnostics tool.
M
Meredith BishopSep 9, 2025
Why is my KTM 250 EXC TPI 2018 battery discharged?
- B
  barrettkatherineSep 10, 2025
  If the battery of your KTM Motorcycle is discharged, it could be because the battery is not being charged by the alternator (check the charging voltage and the stator winding of the alternator) or due to an unwanted power consumer (check the open-circuit current).
S
smithbrianSep 12, 2025
Why is my KTM 250 EXC TPI 2018 Motorcycle emitting white smoke?
- C
  Charles MoralesSep 12, 2025
  If you see white smoke emission (steam in exhaust gas) from your KTM Motorcycle, it suggests a damaged cylinder head or cylinder head gasket. Check the cylinder head and cylinder head gasket.

KTM 250 EXC TPI 2018 Specifications

General

Brand	KTM
Model	250 EXC TPI 2018
Category	Motorcycle
Language	English

Summary

Means of Representation

Symbols Used

Explains the meaning of various symbols used in the manual for clarity and safety.

Formats Used

Explains the typographical formats used in the document for consistent understanding.

Safety Advice

Use Definition and Intended Use

Defines the intended purpose and usage conditions for the vehicle.

Degrees of Risk and Symbols

Defines danger, warning, caution, and note symbols for risk communication.

Safe Operation

Provides essential guidelines for operating the vehicle safely.

Important Notes

Manufacturer and Implied Warranty

Details warranty coverage, conditions, and exclusions.

Service

Emphasizes the importance of proper and timely maintenance.

View of Vehicle

View of Vehicle, Front Left

Identifies key components on the front left side of the motorcycle.

View of Vehicle, Rear Right

Identifies key components on the rear right side of the motorcycle.

Serial Numbers

Chassis Number

Explains the location for identifying the vehicle's chassis number.

Engine Number

Details the location for identifying the vehicle's engine number.

Controls

Kill Switch Functions

Explains the operation and states of the kill switch.

Light Switch Operation

Details the functions of the light switch for different beam settings.

Indicator Lamps Overview

Describes the meaning and function of various indicator lamps.

Cold Start Button and Idle Speed

Instructions for using the cold start button and adjusting idle speed.

Combination Instrument

Setting the Clock

Step-by-step guide to setting the time on the instrument display.

Display Modes and Functions

Explains various display modes like SPEED, H, CLK, LAP, and ODO.

Preparing for Use

Advice on First Use

Critical safety and operational advice for initial motorcycle usage.

Running In the Engine

Guidelines for the engine break-in period to ensure optimal performance.

Preparing for Difficult Riding Conditions

Advice for riding in challenging conditions like sand or mud.

Riding Instructions

Checks and Maintenance Before Riding

Essential pre-ride checks for vehicle safety and functionality.

Starting the Vehicle

Safe procedures and warnings for starting the engine.

Braking Procedures

Essential safety advice and techniques for effective braking.

Refueling and Adding Oil

Instructions and safety warnings for refueling and adding 2-stroke oil.

Service Schedule

Required Work Intervals

Lists essential maintenance tasks at specific operating hour intervals.

Recommended Work Intervals

Lists recommended maintenance tasks at various intervals.

Tuning the Chassis

Basic Chassis Setting Adjustment

Adjusting suspension based on rider weight for optimal handling.

Shock Absorber Damping Adjustment

Guides for adjusting compression and rebound damping.

Fork Damping and Spring Preload Adjustment

Instructions for adjusting fork damping and spring preload.

Service Work on the Chassis

Bleeding and Cleaning Fork Legs

Procedures for bleeding fork legs and cleaning dust boots.

Removing and Installing Fork Legs

Detailed steps for removing and installing front fork legs.

Steering Head Bearing Play Check and Adjustment

How to check and adjust steering head bearing play.

Chain Maintenance and Adjustment

Instructions for checking, cleaning, and adjusting the drive chain.

Brake System

Hand Brake Lever Adjustment

How to check and adjust the free travel of the hand brake lever.

Brake Disc and Lining Checks

Procedures for checking brake disc thickness and lining wear.

Brake Fluid Level and Changes

How to check, add, and change brake fluid for safety.

Foot Brake Lever Adjustment

How to check and adjust the free travel of the foot brake lever.

Wheels, Tires

Front Wheel Removal and Installation

Detailed steps for removing and installing the front wheel.

Rear Wheel Removal and Installation

Detailed steps for removing and installing the rear wheel.

Tire Condition and Air Pressure Checks

How to inspect tires for wear, damage, and check air pressure.

Spoke Tension Check

Procedure for checking and correcting spoke tension.

Electrical System

Battery Removal and Installation

Detailed instructions for safely removing and installing the battery.

Recharging the Battery

Guidelines and precautions for recharging the motorcycle battery.

Fuse Replacement Procedures

How to change the main fuse and individual power consumer fuses.

Headlight Bulb and Setting Adjustments

How to change the headlight bulb and adjust headlight settings.

Cooling System

Checking Antifreeze and Coolant Level

How to check coolant level and antifreeze protection.

Draining and Refilling Coolant

Detailed procedures for draining and refilling the cooling system.

Tuning the Engine

Throttle Cable Play Adjustment

How to check and adjust the play in the throttle cable.

Adjusting Idle Speed

Procedure for adjusting the engine's idle speed for optimal running.

Changing Ignition Timing Map

How to switch between performance and soft ignition timing maps.

Service Work on the Engine

Changing the Fuel Screen

Instructions and safety warnings for changing the fuel screen.

Checking and Changing Gear Oil

How to check and change the gear oil, including safety precautions.

Cleaning, Care

Cleaning the Motorcycle

Instructions and warnings for safely cleaning the motorcycle.

Winter Operation Checks

Maintenance steps for preparing the motorcycle for winter use.

Storage

Motorcycle Storage Procedures

Comprehensive guide to storing the motorcycle for extended periods.

Preparing for Use After Storage

Steps required to prepare the motorcycle for use after storage.

Troubleshooting

Engine Cranking and Starting Issues

Troubleshooting for engine start failures and non-starting engines.

Engine Power and Overheating Issues

Troubleshooting for low engine power and overheating problems.

Technical Data

Engine Specifications

Technical details for the 250 and 300cc engine variants.

Engine Tightening Torques

List of specified torque values for engine components.

Chassis Specifications

Details on frame, suspension, brakes, and wheel specifications.

Chassis Tightening Torques

List of specified torque values for chassis components.

Substances

Brake Fluid and Coolant Specifications

Details on recommended brake fluid and coolant types.

Engine Oil and Fuel Specifications

Specifications and recommendations for engine oil and fuel grades.

Auxiliary Substances

Cleaning and Lubrication Products

List of recommended cleaners, greases, and sprays.

Standards

JASO and SAE Standards Explained

Explanation of relevant industry standards for motorcycle oils.

Index of Special Terms

TPI Definition

Definition of TPI (Transfer Port Injection) technology.

List of Abbreviations

Common Abbreviations

List of common abbreviations used in the manual.

List of Symbols

Symbol Color Meanings

Explanation of the meaning of red, yellow/orange, and green/blue symbols.

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KTM 250 EXC TPI 2018 User Manual

Table of Contents

Questions and Answers:

KTM 250 EXC TPI 2018 Specifications

Summary

Means of Representation

Symbols Used

Formats Used

Safety Advice

Use Definition and Intended Use

Degrees of Risk and Symbols

Safe Operation

Important Notes

Manufacturer and Implied Warranty

Service

View of Vehicle

View of Vehicle, Front Left

View of Vehicle, Rear Right

Serial Numbers

Chassis Number

Engine Number

Controls

Kill Switch Functions

Light Switch Operation

Indicator Lamps Overview

Cold Start Button and Idle Speed

Combination Instrument

Setting the Clock

Display Modes and Functions

Preparing for Use

Advice on First Use

Running In the Engine

Preparing for Difficult Riding Conditions

Riding Instructions

Checks and Maintenance Before Riding

Starting the Vehicle

Braking Procedures

Refueling and Adding Oil

Service Schedule

Required Work Intervals

Recommended Work Intervals

Tuning the Chassis

Basic Chassis Setting Adjustment

Shock Absorber Damping Adjustment

Fork Damping and Spring Preload Adjustment

Service Work on the Chassis

Bleeding and Cleaning Fork Legs

Removing and Installing Fork Legs

Steering Head Bearing Play Check and Adjustment

Chain Maintenance and Adjustment

Brake System

Hand Brake Lever Adjustment

Brake Disc and Lining Checks

Brake Fluid Level and Changes

Foot Brake Lever Adjustment

Wheels, Tires

Front Wheel Removal and Installation

Rear Wheel Removal and Installation

Tire Condition and Air Pressure Checks

Spoke Tension Check

Electrical System

Battery Removal and Installation

Recharging the Battery

Fuse Replacement Procedures

Headlight Bulb and Setting Adjustments

Cooling System

Checking Antifreeze and Coolant Level

Draining and Refilling Coolant

Tuning the Engine

Throttle Cable Play Adjustment

Adjusting Idle Speed

Changing Ignition Timing Map

Service Work on the Engine

Changing the Fuel Screen

Checking and Changing Gear Oil

Cleaning, Care

Cleaning the Motorcycle

Winter Operation Checks

Storage

Motorcycle Storage Procedures