Why KTM 250 EXC SIX DAYS Motorcycle engine does not speed up?
If the KTM Motorcycle engine does not speed up, it could be due to: the carburetor running over because the float needle is dirty or worn (check/set the carburetor components); loose carburetor jets (check/set the carburetor components); or a fault in the ignition system (check the ignition system).
Why KTM 250 EXC SIX DAYS Motorcycle engine cannot be cranked?
The KTM motorcycle engine might fail to crank due to several reasons. It could be an operating error during the start procedure. Alternatively, the battery might be discharged, requiring you to recharge it, check the charging voltage, closed current, and alternator. Other potential causes include a blown main fuse (replace it), a faulty starter relay (check it), or a defective starter motor (check it).
Why does my KTM 250 EXC SIX DAYS Motorcycle engine overheat?
Your KTM Motorcycle engine may be overheating due to several reasons: insufficient coolant in the cooling system, so check for leaks and the coolant level; not enough air stream, so switch off engine when stationary; dirty radiator fins (clean them); 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 (replace it); or an incorrect ignition point due to a loose stator (adjust the ignition for All 125 models).
Why KTM 250 EXC SIX DAYS Motorcycle engine has too little power?
A KTM Motorcycle engine might have reduced power for several reasons: interrupted fuel feed (check the fuel tank breather, clean the fuel tap, and check/set the carburetor components); a very dirty air filter (clean the air filter and air filter box); a leaky or deformed exhaust system, or insufficient glass fiber yarn filling in the main silencer (check the exhaust system for damage and replace the glass fiber yarn filling of the main silencer); a fault in the ignition system (check the ignition system); or a damaged diaphragm or reed valve housing (check them).
What to do if KTM Motorcycle engine stalls or is popping into the carburetor?
If your KTM Motorcycle engine stalls or pops into the carburetor, it might be taking in bad air, so check the intake flange and carburetor for tightness. Another possibility is that the connector or ignition coil is loose or oxidized, so clean the connector and treat it with contact spray.
Why KTM Motorcycle engine has no idle?
If your KTM Motorcycle engine has no idle, the possible causes are: the idling jet is blocked (check/set the carburetor components); adjusting screws on carburetor distorted (adjust the idle speed); spark plug defective (change the spark plug); ignition system defective (check the ignition coil and the spark plug connector).
Why is there white smoke emission (steam in exhaust gas) from KTM Motorcycle?
White smoke (steam) from the KTM Motorcycle exhaust gas is likely due to a damaged cylinder head or cylinder head gasket, so check the cylinder head and cylinder head gas- ket.
Why gear oil exits at the vent hose of KTM Motorcycle?
If gear oil is exiting at the vent hose of your KTM Motorcycle, it's likely because too much gear oil was added. Check the gear oil level.
Why there is water in the gear oil of KTM Motorcycle?
If you find water in the gear oil of your KTM Motorcycle, it's probably due to a damaged shaft seal ring or water pump. Check the shaft seal ring and water pump.
How to fix KTM Motorcycle engine stalling or popping into the carburetor?
If your KTM Motorcycle engine stalls or pops into the carburetor, it might be taking in bad air. In this case, check the intake flange and carburetor for tightness. Also, the connector or ignition coil may be loose or oxidized; if so, clean the connector and treat it with contact spray.
General| Engine Type | 1-cylinder, 2-stroke engine |
|---|---|
| Displacement | 249 cm³ |
| Cooling | Liquid cooled |
| Transmission | 6-speed |
| Starter | Electric starter |
| Front Suspension | WP XPLOR-USD, Ø 48 mm |
| Front Brake | Disc brake |
| Rear Brake | Disc brake |
| Fuel Tank Capacity | 9 liters |
| Seat Height | 960 mm |
| Ground Clearance | 370 mm |
| Bore x Stroke | 66.4 x 72 mm |
| Front Tire | 90/90-21 |
| Rear Tire | 140/80-18 |
| Dry Weight | 103 kg |
| Rear Suspension | WP Xplor shock absorber |
| Clutch | Wet, multi-disc DDS clutch, Brembo hydraulics |
| Fuel System | Carburetor |
Explains the meaning of various symbols used in the manual for clarity and safety.
Details the typographical formats used in the document for consistent understanding.
Defines the intended use of KTM sport motorcycles, specifying authorized road traffic use.
Provides general safety instructions for operating the vehicle safely.
Explains the degrees of risk (Danger, Warning, Caution) and associated symbols.
Warns against tampering with noise control systems and lists prohibited acts.
Details safe operation practices, including warnings about impairment and exhaust gases.
Emphasizes the importance of wearing appropriate protective clothing for safety.
Outlines rules for performing work on the vehicle, including special tools and part replacement.
Provides guidance on responsible motorcycle use and environmental protection.
Highlights the importance of reading the manual for operation, handling, and maintenance.
Explains conditions for warranty claims and voiding the warranty.
Provides warnings about fuel handling and specifies the use of approved substances.
Recommends using only approved spare parts and accessories for safety.
Stresses the importance of proper service and maintenance for optimal operation.
Notes that figures may show special equipment and components may be shown disassembled.
Informs customers about seeking assistance from authorized KTM dealers.
Illustrates the front left view of the vehicle with numbered components.
Illustrates the rear right view of the vehicle with numbered components.
Locates and identifies the chassis number stamped on the steering head.
Identifies the location of the type label on the front of the steering head.
Specifies the location of the key number for the steering lock.
Shows the location of the engine number stamped on the engine sprocket side.
Indicates where the fork part number is stamped on the inner side of the fork stub.
Shows the location of the shock absorber part number on the shock absorber.
Describes the clutch lever, its operation, and self-adjusting mechanism.
Identifies the hand brake lever and its function for activating the front brake.
Locates the throttle grip on the right side of the handlebar.
Explains the kill switch location and its two possible states for ignition control.
Describes the kill switch location and its function for ignition control.
Locates the horn button and its possible states for operation.
Details the light switch location and its positions for low and high beams.
Describes the light switch location and its states for light control.
Explains the turn signal switch location and its positions for signaling.
Locates the emergency OFF switch and its ignition control states.
Identifies the electric starter button and its activation states.
Locates the electric starter button and its activation states.
Lists indicator lamps and their meanings for EXC models.
Lists indicator lamps and their meanings for XC-W models.
Provides instructions and safety warnings for opening the fuel filler cap.
Details the procedure for closing the fuel filler cap and running the breather hose.
Explains the fuel tap's location and possible states for fuel supply.
Describes the choke lever's function for cold starts and enrichment.
Locates the shift lever and shows gear positions.
Shows the location of the kick starter and provides a pre-ride tip.
Identifies the foot brake lever for activating the rear brake.
Locates the side stand and provides a tip for riding.
Explains the steering lock location and its function to immobilize steering.
Details the procedure for locking the steering and provides a safety note.
Provides instructions for unlocking the steering and a safety note.
Provides an overview of the speedometer display and button functions.
Explains how to activate the speedometer and perform a display test.
Details the procedure for setting the unit of measurement (km/h or mph).
Guides on activating and deactivating various speedometer functions.
Provides instructions for setting the clock display on the speedometer.
Explains how to view lap times if they have been recorded.
Describes how to display the current speed in km/h or mph.
Explains how to view the engine service hours.
Details how to access and navigate the speedometer's setup menu.
Guides on changing the unit of measurement for speed (km/h or mph).
Describes how to display the current time on the speedometer.
Explains how to time and view lap times using the stopwatch function.
Details how to select and view recorded lap times.
Shows how to display the total traveled distance.
Explains the trip master 1 function for measuring distances.
Describes the trip master 2 function for measuring distances, useful for road books.
Guides on manually setting the trip master 2 value.
Explains how to view the average speed calculated using TR1 and S1.
Describes how to view the average speed calculated using S2.
Explains the stop watch 1 function for measuring riding time.
Describes the manual stop watch 2 function.
Summarizes functions, button presses, and menu navigation for the speedometer.
Lists conditions required for menu activation and function availability.
Provides essential advice for the first use of the motorcycle, including safety and controls.
Outlines the procedure for running in the engine, specifying performance limits.
Details preparations for riding in challenging conditions like sand or mud.
Provides specific preparations for riding on dry sand, including air filter and carburetor adjustments.
Outlines preparations required for riding on wet sand.
Details preparations needed for riding on wet and muddy terrain.
Provides guidance for riding in high temperatures and low speeds.
Outlines preparations for riding in cold temperatures or snow conditions.
Lists essential checks and maintenance tasks before riding the vehicle.
Provides instructions and safety warnings for starting the engine.
Details the procedure for starting off from a standstill.
Explains gear shifting techniques, riding advice, and clutch usage.
Provides instructions and warnings related to braking the motorcycle.
Details procedures for stopping and parking the motorcycle safely.
Provides instructions on safely transporting the motorcycle.
Offers safety instructions and procedures for refueling the motorcycle.
Lists maintenance tasks and their intervals (e.g., every 20/40 operating hours).
Details service tasks that can be performed as additional orders or at specific intervals.
Explains how to adjust chassis settings based on rider weight for optimal performance.
Defines high-speed and low-speed compression damping for the shock absorber.
Provides steps to adjust the low-speed compression damping of the shock absorber.
Details how to adjust the high-speed compression damping of the shock absorber.
Guides on adjusting the rebound damping of the shock absorber.
Explains the procedure for measuring the sag of the unloaded rear wheel.
Provides steps to check the static sag of the shock absorber.
Details how to check the riding sag of the shock absorber with rider input.
Guides on adjusting the spring preload for the shock absorber.
Provides instructions on adjusting the riding sag by selecting a suitable spring.
Explains how to check the basic setting of the fork suspension.
Details how to adjust the compression damping for different fork types.
Provides instructions for adjusting the rebound damping of the fork.
Guides on adjusting the spring preload for the fork suspension.
Explains handlebar mounting options and hole distances for adjustment.
Details the procedure for adjusting the handlebar position and tightening clamps.
Provides instructions for safely raising the motorcycle using a lift stand.
Details the procedure for safely removing the motorcycle from the lift stand.
Explains how to bleed excess pressure from the fork legs.
Provides instructions for cleaning fork leg dust boots to prevent oil seal leaks.
Details the steps for removing the fork protector.
Provides instructions for installing the fork protector.
Details the procedure for removing the front fork legs.
Provides instructions for installing the fork legs, including triple clamp tightening.
Outlines steps for removing the lower triple clamp for specific models.
Details the procedure for removing the lower triple clamp for EXC models.
Provides instructions for installing the lower triple clamp for specific models.
Details the procedure for installing the lower triple clamp for EXC models.
Explains how to check for play in the steering head bearing.
Provides steps to adjust the steering head bearing play.
Details the procedure for greasing the steering head bearing.
Provides instructions for removing the front fender.
Details the procedure for installing the front fender.
Explains how to remove the rear shock absorber.
Provides instructions for installing the rear shock absorber.
Details the procedure for removing the motorcycle seat.
Provides instructions for mounting the motorcycle seat.
Explains how to remove the air filter box lid.
Provides instructions for installing the air filter box lid.
Details the procedure for removing the air filter.
Provides instructions for installing the air filter.
Guides on cleaning the air filter and air filter box properly.
Explains how to seal the air filter box.
Provides instructions and warnings for removing the main silencer.
Details the procedure for installing the main silencer.
Explains how to change the glass fiber yarn filling in the main silencer.
Provides safety warnings and steps for removing the fuel tank.
Details the procedure for installing the fuel tank, including spoilers and vent hose.
Explains how to check the chain for dirt and cleaning if necessary.
Provides instructions and safety warnings for cleaning the drive chain.
Explains how to check chain tension and warnings about incorrect tension.
Details the procedure for adjusting the chain tension and wheel alignment.
Guides on checking wear of chain, sprockets, and chain guide.
Instructs on checking the frame for cracking or deformation.
Provides guidance on checking the swingarm for damage.
Explains how to check the correct routing of the throttle cable.
Guides on checking rubber grips for damage, wear, and seating.
Details how to additionally secure rubber grips using securing wire.
Provides instructions on adjusting the clutch lever position for comfort.
Explains how to check and correct the hydraulic clutch fluid level.
Provides steps and warnings for changing the hydraulic clutch fluid.
Details the procedure for removing the engine guard.
Provides instructions for installing the engine guard.
Explains how to check free travel and warns about brake system failure.
Guides on adjusting the free travel of the hand brake lever.
Provides instructions for adjusting the hand brake lever position for comfort.
Details how to check brake disc thickness, damage, cracking, and deformation.
Explains how to check the front brake fluid level and indicates potential issues.
Provides instructions and warnings for adding front brake fluid.
Guides on checking front brake lining minimum thickness and for damage.
Details the procedure and warnings for changing front brake linings.
Explains how to check free travel of the foot brake lever and related warnings.
Provides instructions for adjusting the foot brake lever position.
Explains how to check the rear brake fluid level and indicates potential issues.
Provides instructions and warnings for adding rear brake fluid.
Guides on checking rear brake lining minimum thickness and for damage.
Details the procedure and warnings for changing rear brake linings.
Provides steps and safety advice for removing the front wheel.
Details the procedure and warnings for installing the front wheel.
Explains how to remove the rear wheel, including chain and spacers.
Provides instructions for installing the rear wheel, chain, and adjusting tension.
Guides on checking tire condition, tread depth, and age.
Explains how to check and correct tire air pressure.
Provides instructions and warnings for checking spoke tension.
Details the procedure and safety warnings for removing the battery.
Provides instructions for installing the battery, including terminal connections.
Explains how to recharge the battery correctly and its importance for service life.
Details the procedure for changing the main fuse and its location.
Provides steps for removing the headlight mask and its associated components.
Details the procedure for refitting the headlight mask.
Explains how to change the headlight bulb, including notes on the reflector.
Provides instructions for changing the turn signal bulb.
Guides on checking the headlight alignment against a wall.
Details how to adjust the headlight range for optimal illumination.
Provides steps for changing the battery in the speedometer unit.
Explains the basic cooling system operation involving the water pump and radiator cap.
Details how to check coolant antifreeze and level, with safety warnings.
Provides steps to check the coolant level in the radiator.
Explains how to drain the coolant from the system, with safety warnings.
Provides instructions for refilling the cooling system with coolant.
Guides on checking throttle cable play and ensuring smooth operation.
Details the procedure for adjusting throttle cable play.
Explains the influence of idle settings on starting and engine response.
Provides steps for adjusting the idle speed and related settings.
Details the procedure for emptying the carburetor float chamber.
Explains how to check the shift lever position relative to the boot.
Provides instructions for adjusting the shift lever position.
Describes the function of the auxiliary spring and different tuning options.
Details how to set the auxiliary spring for different engine characteristics.
Explains how to check the gear oil level while the engine is cold.
Provides instructions for changing the gear oil.
Details the procedure for draining the gear oil.
Provides instructions for refilling with gear oil and checking the level.
Explains how to add gear oil to reach the correct level.
Provides instructions for cleaning the motorcycle, including safety and maintenance tips.
Outlines checks and maintenance for winter operation, focusing on corrosion prevention.
Details actions required for storing the motorcycle for extended periods.
Provides steps for preparing the motorcycle after it has been stored.
Provides detailed technical specifications for the engine of various models.
Lists engine component tightening torques for different models.
Specifies capacities for fluids like coolant, gear oil, and fuel.
Details chassis specifications including frame, fork, shock absorber, and brake system dimensions.
Lists specifications for electrical components like battery, fuses, and lights.
Provides tire specifications, including sizes and brands for different models.
Details fork specifications, including damping, spring preload, and oil capacity.
Lists shock absorber specifications for damping, spring preload, and sag measurements.
Lists chassis component tightening torques for various models.
Provides detailed settings for carburetors across different motorcycle models.
Provides carburetor tuning data based on altitude and temperature for 125 models.
Provides carburetor tuning data based on altitude and temperature for 200 models.
Provides carburetor tuning data based on altitude and temperature for 200 models.
Provides carburetor tuning data based on altitude and temperature for 250 models.
Provides carburetor tuning data for 300 EXC and 300 XC-W models.
Provides carburetor tuning data for the 300 EXC BR model.
Explains general principles of carburetor tuning and needle positions.
Specifies standards and recommendations for brake fluid.
Provides recommendations and mixture ratio for coolant.
Specifies standards and recommendations for 15W/50 engine oil.
Provides recommendations for 2-stroke engine oil.
Specifies standards and recommendations for fork oil.
Specifies standards and recommendations for hydraulic fluid.
Provides standards and recommendations for shock absorber fluid.
Specifies standards and guidelines for unleaded super fuel.
Provides mixture ratio and recommendations for fuel mixed with 2-stroke oil.
Specifies mixture ratio and recommendations for Type C fuel with 2-stroke oil.
Provides guidelines for Type C unleaded super fuel with ethanol content.
Recommends Motorex Racing Bio Dirt Remover for air filter cleaning.
Recommends Motorex Chain Clean for cleaning the drive chain.
Recommends Motorex Fuel Stabilizer as a fuel additive.
Recommends KTM Motorrad AG GRIP GLUE for grip adhesive.
Recommends SKF LGHB 2 as high viscosity grease.
Recommends Motorex Bike Grease 2000 for long-life lubrication.
Recommends Motorex Moto Clean for cleaning the motorcycle.
Recommends Motorex Chainlube Offroad for chain lubrication.
Recommends Motorex Racing Bio Liquid Power for foam air filters.
Recommends Motorex Moto Protect for preserving surfaces.
Recommends Motorex Quick Cleaner for surface cleaning.
Recommends Motorex Joker 440 Synthetic for universal oil spray.
Explains the JASO T903 MA standard for 4-stroke motorcycle engines.
Defines SAE viscosity classes for oil classification.
Explains JASO FD classification for 2-stroke engine oil for racing.
Explains yellow and orange symbols indicating error conditions or active driving aids.
Explains green and blue symbols that reflect information.
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