Why is my KTM 250 SX-F 2017 Motorcycle engine overheating?
If your KTM Motorcycle engine overheats, check the coolant level and inspect the cooling system for any leaks. Ensure there's sufficient airflow, and if standing still, switch off the engine. Clean the radiator fins if they are dirty. If there is foam formation in the cooling system, drain and refill the coolant. Finally, inspect the radiator hose; if it's bent, replace it.
Why does my KTM 250 SX-F 2017 have high oil consumption?
If your KTM Motorcycle engine consumes a lot of oil, ensure the engine vent hose is correctly routed without any bends, replacing it if necessary. Check that the engine oil level isn't too high. If the oil is too thin, replace the engine oil and oil filter, and clean the oil screen.
What to do if my KTM 250 SX-F 2017 engine turns but does not start?
If your KTM Motorcycle engine turns over but doesn't start, make sure the fuel line plug-in connection is properly connected. If the fuel screen in the fuel hose connection is clogged, replace it. Ensure the idle speed is correctly set. Clean and dry the spark plug, or replace it if needed. Adjust the plug gap to the recommended 0.8 mm (0.031 in). Check the wiring harness and electrical system for shorts or defects. If there is a defect in the fuel injection system, read out the fault memory using the KTM diagnostics tool.
How to fix KTM 250 SX-F 2017 Motorcycle when the engine does not turn?
If your KTM Motorcycle engine doesn't turn when you press the electric starter button, make sure you are following the correct start procedure. Check if the battery is discharged and recharge it if necessary. Also, check the charging voltage, open-circuit current, and the stator winding of the alternator. Replace the main fuse if it's blown. Check the starter relay and the starter motor for faults.
Why does my KTM Motorcycle engine have too little power?
If your KTM Motorcycle engine has too little power, start by cleaning the air filter and air filter box. Replace the fuel filter if it's very dirty. Check the exhaust system for leaks or damage, and replace the glass fiber yarn filling in the main silencer if needed. Also, make sure to adjust the valve clearance if it's too little. If there is a defect in the fuel injection system, read out the fault memory using the KTM diagnostics tool.
What to do if the malfunction indicator lamp lights up on my KTM 250 SX-F 2017?
If the malfunction indicator lamp on your KTM Motorcycle lights up or flashes, stop the motorcycle and identify the faulty part using the blink code. Also, inspect the cabling for any damage and check the electrical plug-in connections for corrosion and damage.
General| Displacement | 249.9 cc |
|---|---|
| Bore x Stroke | 78 mm x 52.3 mm |
| Starter | Electric starter |
| Transmission | 5-speed |
| Fuel System | Keihin EFI, throttle body 44 mm |
| Cooling | Liquid cooled |
| Compression Ratio | 14.4:1 |
| Ignition | Keihin EMS |
| Rear Suspension | WP shock absorber with linkage |
| Front Brake | Disc brake, 260 mm |
| Rear Brake | Disc brake, 220 mm |
| Ground Clearance | 370 mm |
| Engine Type | Single cylinder, 4-stroke |
| Final Drive | 5/8 x 1/4" |
| Front Suspension | WP USD 48 mm |
| Fuel Tank Capacity | 7.0 liters |
| Wheelbase | 1485 mm |
| Frame | Central tube frame made of chrome molybdenum steel |
Explains the meaning of various symbols used throughout the manual for clarity and safety.
Details the typographical formats used in the manual, such as specific names, brands, and underlined terms.
Defines the intended use of KTM sport motorcycles, specifying compliance with motorsport regulations.
Highlights the importance of reading the manual and paying attention to warning labels for safe vehicle operation.
Explains the different degrees of risk (Danger, Warning, Caution) and associated symbols used in the manual.
Prohibits tampering with the noise control system and lists specific acts that constitute tampering.
Details safe operating procedures, including avoiding hazards like exhaust fumes and hot components.
Emphasizes wearing appropriate and well-maintained protective clothing for riding.
Outlines rules for vehicle maintenance, including using special tools and replacing non-reusable parts.
Advises on responsible motorcycle use and proper disposal of fluids and components.
Stresses the importance of reading the manual thoroughly for operation, handling, and maintenance.
Explains warranty conditions, emphasizing authorized workshops and proper service recording.
Advises on the proper use of fuel and lubricants, highlighting environmental hazards.
Recommends using KTM-approved parts and accessories installed by authorized workshops for safety.
Stresses that proper service and tuning are crucial for optimal operation and preventing premature wear.
Notes that manual figures may show special equipment and some components might be depicted disassembled.
Informs users that authorized KTM dealers can answer questions about the vehicle and KTM.
Identifies key components of the motorcycle from the front left perspective, including levers and numbers.
Illustrates and labels major components visible from the rear right side of the motorcycle.
Shows the location of the chassis number stamped on the steering head.
Indicates the position of the type label on the front of the steering head.
Points out the location of the engine number on the left side of the engine.
Shows where the fork part number is stamped on the inner side of the axle clamp.
Specifies the location of the shock absorber article number on the top of the shock absorber.
Describes the function and hydraulic operation of the clutch lever located on the left handlebar.
Explains the hand brake lever on the right handlebar engages the front brake.
Details the throttle grip's location on the right handlebar.
Explains the function of the kill switch in basic and pressed positions for ignition circuit control.
Describes the electric starter button and its states for starting the engine.
Explains the combination switch for engine mapping, traction control, and launch control activation.
Describes the meaning of the malfunction indicator lamp and the low fuel warning lamp.
Details the service hour counter's purpose and that its value cannot be cleared or adjusted.
Provides safety warnings and instructions for opening the fuel tank filler cap.
Instructs on how to properly close the fuel tank filler cap, ensuring the breather hose is clear.
Explains the cold start button's role in starting a cold engine and its return to basic position.
Describes how to adjust the idle speed using the adjusting screw for optimal starting and idling.
Indicates the location of the shift lever on the left side of the engine.
Explains the foot brake lever's location and function for activating the rear brake.
Details the location and use of the plug-in stand for parking the motorcycle, with a safety note.
Describes the side stand's location and its use for parking, including securing it when riding.
Provides advice on first use, emphasizing rider fitness, protective clothing, tire condition, and safe handling.
Outlines guidelines for running in the engine, specifying maximum speeds and avoiding full throttle.
Explains how low temperatures affect lithium-ion battery starting power and starting attempts.
Advises on preparing the vehicle for challenging conditions like sand or mud, recommending specific oil and air filter care.
Details preparations for riding on dry sand, including air filter dust covers and chain maintenance.
Describes preparations for wet sand conditions, focusing on air filter waterproofing and chain care.
Outlines preparations for wet and muddy surfaces, including air filter protection and chain care.
Advises on adjusting secondary drive and checking coolant for high temperatures and low speeds.
Recommends waterproofing the air filter for low temperature and snow riding conditions.
Lists essential checks before riding, covering fluids, controls, tires, and general vehicle condition.
Provides instructions for starting the engine, including safety warnings and preparation for different temperatures.
Explains how to activate Launch Control for optimal race starts, including conditions and deactivation.
Describes how traction control reduces wheel slip for better control, and how to activate/deactivate it.
Guides on starting off, shifting gears, and general riding practices to conserve fuel and avoid engine strain.
Details how to apply the brakes correctly, warning about excessive force and spongy pressure points.
Provides instructions on stopping and parking safely, including warnings about hot components and vehicle stability.
Offers notes on transporting the motorcycle, emphasizing securing it properly and avoiding fire hazards.
Details safe refueling procedures, including warnings about fire hazards, poisoning, and environmental impact.
Notes that additional work beyond required or recommended tasks must be ordered and invoiced separately.
Lists essential maintenance tasks required at different operating hour intervals and after every race.
Outlines recommended maintenance tasks at various operating hour intervals and annually.
Explains how to adjust the basic chassis setting based on rider weight, starting with the shock absorber and fork.
Details the WP AER 48 air suspension system used in the fork, its advantages, and adjuster locations.
Defines compression damping in shock absorbers as high-speed and low-speed, affecting different suspension movements.
Provides instructions and settings for adjusting the low-speed compression damping of the shock absorber.
Details how to adjust the high-speed compression damping of the shock absorber, including safety notes.
Explains how to adjust the rebound damping of the shock absorber and provides settings for different models.
Outlines the preparatory steps and main work for measuring rear wheel sag without rider load.
Describes how to measure static sag and what to do if it deviates from specifications.
Details how to measure riding sag with the rider on board and adjust it if necessary.
Explains the process of adjusting spring pretension, including preparatory work and tightening specifications.
Provides guidelines for selecting and mounting springs to adjust the riding sag of the shock absorber.
Offers guidance on checking the basic fork setting, noting that air pressure compensates for rider weight differences.
Details how to adjust fork air pressure for different models, emphasizing safety and recommended ranges.
Explains how to adjust fork compression damping, providing settings for various models and comfort levels.
Describes the process for adjusting fork rebound damping, including safety notes and model-specific settings.
Explains the handlebar mounting options, allowing for two different positions for rider comfort.
Details the steps for adjusting the handlebar position, including removing clamps and mounting supports.
Provides instructions on safely raising the motorcycle using a lift stand, ensuring stability.
Details how to safely remove the motorcycle from a lift stand, with specific steps for different models.
Explains how to bleed the fork legs, which involves releasing excess pressure.
Describes how to clean dust boots to prevent dirt accumulation and potential oil seal leaks.
Details the steps for removing fork protectors, including unscrewing clamps and protectors.
Provides instructions for installing fork protectors, including tightening screws for both legs and brake line clamp.
Guides on removing front fork legs, including detaching clamps, brake calipers, and loosening screws.
Details the process of installing front fork legs, covering positioning, tightening triple clamps, and brake caliper mounting.
Outlines the steps to remove the lower triple clamp, including detaching wiring and removing screws.
Explains how to install the lower triple clamp, focusing on cleaning, greasing, and positioning bearings.
Describes how to check for play in the steering head bearing and the importance of correct adjustment.
Provides instructions for adjusting steering head bearing play and changing the bearing if necessary.
Details the process of greasing the steering head bearing, involving lower triple clamp removal and installation.
Explains how to remove the start number plate by unscrewing it and unhooking it from the brake line.
Guides on installing the start number plate, ensuring brake line holders and screw are correctly positioned.
Details how to remove the front fender by unscrewing it from the fork legs.
Provides instructions for installing the front fender, including mounting and tightening screws.
Guides on removing the shock absorber, including detaching cable ties, screws, and frame protectors.
Details the process of installing the shock absorber from the bottom, including mounting and tightening the top screw.
Explains how to remove the seat by unscrewing it, lifting the rear, and pulling it back.
Guides on installing the seat, positioning the front, lowering the rear, and tightening screws.
Details how to remove the air filter box cover for specific models by unscrewing it.
Provides instructions for installing the air filter box cover, clipping it into place and tightening the screw.
Explains how to remove the air filter from its support, with a warning against running the engine without one.
Details the process of cleaning the air filter and air filter box, with warnings about hazardous substances.
Guides on mounting the clean air filter, greasing it, and ensuring it's correctly positioned with retaining pins.
Details how to secure the air filter box cover after it has been removed.
Instructs on how to seal the air filter box in a marked area.
Explains how to remove the main silencer, including detaching springs and screws, with a burn warning.
Details the process of installing the main silencer, including positioning, attaching springs, and tightening screws.
Guides on changing the glass fiber yarn filling of the main silencer to maintain noise levels and performance.
Provides detailed instructions for removing the fuel tank, including fuel pump disconnection and safety warnings.
Details the steps for installing the fuel tank, including routing cables, attaching hoses, and tightening screws.
Explains how to check the chain for dirt accumulation and clean it if necessary.
Provides instructions for cleaning the chain using specific cleaners and chain spray, with safety warnings.
Details how to check chain tension and set it according to specifications, warning about incorrect tension.
Guides on adjusting chain tension using adjusting screws, ensuring correct alignment and tension.
Explains how to check the chain, sprockets, and chain guide for wear and damage, recommending replacement of worn parts.
Details how to check the frame for cracks or deformation, emphasizing replacement if damaged.
Explains how to inspect the swingarm for damage, cracking, or deformation, advising on replacement.
Guides on checking throttle cable routing to ensure they are not trapped or damaged.
Explains how to check rubber grips for damage, wear, and looseness, and when to replace them.
Describes how to adjust the basic position of the clutch lever for hand size, with limited adjustment range.
Details how to check the hydraulic clutch fluid level, with warnings about skin irritation and fluid types.
Provides step-by-step instructions for changing hydraulic clutch fluid, including safety and environmental warnings.
Explains how to check for proper free travel in the hand brake lever, warning about overheating issues.
Guides on adjusting the basic position of the hand brake lever for rider comfort.
Details how to check brake disc thickness for wear and inspect for damage, warning about worn discs.
Describes how to check the front brake fluid level, warning about insufficient levels and old fluid.
Provides instructions for adding front brake fluid, including safety precautions and fluid type.
Explains how to check front brake linings for minimum thickness and damage, warning about worn linings.
Details the process of changing front brake linings, including safety warnings and manual caliper pressing.
Guides on checking free travel of the foot brake lever, warning about overheating and pressure buildup.
Explains how to adjust the basic position of the foot brake lever for individual requirements.
Describes how to check the rear brake fluid level, warning about insufficient levels and old fluid.
Provides instructions for adding rear brake fluid, including safety precautions and fluid type.
Explains how to check rear brake linings for minimum thickness and damage, warning about worn linings.
Details the process of changing rear brake linings, including safety warnings and manual caliper pressing.
Guides on removing the front wheel, including pressing calipers, loosening screws, and removing spacers.
Details the process of installing the front wheel, including checking bearings, spacers, and tightening wheel spindle.
Explains how to remove the rear wheel, including loosening nuts, chain adjusters, and withdrawing the spindle.
Guides on installing the rear wheel, including checking bearings, inserting spacers, and mounting the chain.
Details how to check tires for damage, tread depth, and age, recommending replacement when needed.
Explains how to check tire air pressure when cold, emphasizing its importance for comfort and service life.
Guides on checking spoke tension, warning about incorrect tension impairing handling and causing damage.
Provides instructions for safely removing the battery, including disconnecting cables and securing brackets.
Details the process of installing the battery, including connecting cables and securing the holding bracket.
Explains how to recharge the battery, including voltage checks, charging procedures, and warnings about battery life.
Details how to change the main fuse, including locating it, removing the faulty fuse, and installing a new one.
Describes the cooling system's operation, including the water pump and radiator cap's pressure regulation.
Guides on checking coolant antifreeze protection and level, with warnings about hot coolant.
Explains how to check the coolant level in the radiator, emphasizing engine cold state and safety.
Provides instructions for draining the coolant, with warnings about hot coolant and poisoning.
Details the process of refilling the coolant, including tightening screws and taking a test ride.
Explains how to check throttle cable play for smooth operation, idle speed stability, and cold start button function.
Guides on adjusting throttle cable play using screws and nuts, ensuring proper free play.
Details how to change the engine's throttle response by swapping guide plates on the grip tube.
Explains how to activate STANDARD and ADVANCED engine mappings using the MAP button.
Guides on adjusting engine idle speed using the adjusting screw, warning about setting it too low.
Explains how to teach the throttle valve position to the control unit, indicated by flashing malfunction lamp.
Guides on checking the basic position of the shift lever relative to the rider's boot, ensuring no contact.
Details how to adjust the basic position of the shift lever by removing and remounting it on the shift shaft.
Provides instructions for changing the fuel screen, including fuel line disconnection and safety warnings.
Explains how to check the engine oil level when the engine is cold or warm, using the level viewer.
Details the process of changing engine oil, filter, and cleaning the oil screen, with safety warnings.
Guides on adding engine oil to the correct level, emphasizing using the same type and not mixing oils.
Provides detailed instructions for cleaning the motorcycle, including warnings about pressure washers and drying.
Details steps for long-term storage, including fuel treatment, cleaning, fluid checks, battery care, and storage conditions.
Outlines steps for bringing the motorcycle back into operation after storage, including battery installation and pre-ride checks.
Provides detailed technical data for the engine, including displacement, bore, compression ratio, and valve clearances.
Lists specific tightening torques for various engine components, including screw sizes and recommended threadlocker.
Details the capacities for engine oil, coolant, and fuel tank, including specifications and types.
Provides chassis details such as frame type, suspension travel, fork offset, and brake system information.
Lists specifications for the electrical system, including battery types, fuse rating, and indicator lamps.
Details approved tire sizes and types for different models and provides information on tire date of manufacture.
Provides detailed fork settings for the SX-F EU model, including compression, rebound damping, and air pressure.
Details fork settings for the SX-F US model, including damping adjustments and air pressure.
Provides fork settings for the XC-F US model, covering damping adjustments and air pressure.
Details fork settings for the SX-F Factory Edition model, including damping and air pressure.
Lists shock absorber specifications for the SX-F EU model, including damping, preload, and sag settings.
Provides shock absorber specifications for the SX-F US model, covering damping, preload, and sag.
Details shock absorber specifications for the XC-F US model, including damping and preload settings.
Lists shock absorber specifications for the SX-F Factory Edition, including damping and preload.
Provides a comprehensive list of chassis component tightening torques, including screw sizes and Nm values.
Details recommended brake fluid standards and suppliers, warning against using DOT 5.
Provides guidelines for coolant, emphasizing silicate-free types and recommended suppliers.
Lists specifications for SAE 10W/60 engine oil, including JASO and SAE standards.
Details specifications for SAE 10W/50 engine oil, including JASO and SAE standards.
Lists recommended products for cleaning air filters and chains, specifying suppliers and product names.
Details recommended greases for various applications, including high viscosity, long-life, and multi-purpose grease.
Lists recommended motorcycle cleaners, preserving materials, and special cleaners for different surfaces.
Recommends a specific universal oil spray and its supplier.
Explains the JASO T903 MA standard for motorcycle engine oils, highlighting its importance for transmission and clutch lubrication.
Describes the SAE viscosity classification system for oils, noting it only describes viscosity, not quality.
Defines OBD as a vehicle system for monitoring emission and safety-related values.
Explains that yellow and orange symbols indicate error conditions requiring prompt intervention or represent driving aids.
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