What to do if gear oil exits at the vent hose of KTM Motorcycle?
- FfisherronaldJul 30, 2025
If gear oil is coming out of the vent hose on your KTM Motorcycle, it's likely because too much gear oil was added. Check the gear oil level.
What to do if gear oil exits at the vent hose of KTM Motorcycle?
If gear oil is coming out of the vent hose on your KTM Motorcycle, it's likely because too much gear oil was added. Check the gear oil level.
What to do if malfunction indicator lamp lights up on KTM 125 SX 2024 Motorcycle?
If the malfunction indicator lamp lights up or flashes on your KTM Motorcycle, it could be due to a malfunction in the electronic fuel injection. Inspect the wiring for any damage and check the electrical plug-in connections for corrosion or damage. Also, read out the fault memory using the KTM diagnostics tool.
Why is my KTM 125 SX 2024 engine overheating?
Your KTM Motorcycle engine may be overheating due to several reasons. First, there might be too little coolant in the cooling system. Check the cooling system for any leakage and verify the coolant level. Other potential causes include insufficient airflow (switch off the 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 a defective thermostat (check it; guideline opening temperature: 70 °C (158 °F)).
Why is there white smoke emission from my KTM Motorcycle?
If you see white smoke (steam) in the exhaust gas of your KTM Motorcycle, it may be caused by a damaged cylinder head or cylinder head gasket. You should check the cylinder head and cylinder head gasket.
Displacement | 124.8 cm³ |
---|---|
Bore x Stroke | 54 mm x 54.5 mm |
Starter | Electric starter |
Transmission | 6-speed |
Front Suspension | WP XACT-USD, Ø 48 mm |
Rear Suspension | WP XACT Monoshock with linkage |
Ground Clearance | 375 mm |
Seat Height | 950 mm |
Front Tire | 80/100-21" |
Rear Tire | 100/90-19" |
Engine Type | Single-cylinder, 2-stroke |
Fuel System | Mikuni TMX 38 |
Front Brake | Disc brake, 260 mm |
Rear Brake | Disc brake, 220 mm |
Clutch | Wet, multi-disc clutch, Brembo hydraulics |
Frame | Central double-cradle type in chrome-molybdenum steel |
Defines the meaning of various symbols used to convey information and warnings.
Explains the typographical formats like proprietary names and underlined terms.
Covers intended use, misuse, general safety advice, and risk degree symbols.
Guidelines for safe operation, including warnings and the importance of protective clothing.
Covers work rules, environmental responsibility, and the importance of the owner's manual.
Covers warranty conditions, fuel/fluid usage, and recommendations for spare parts.
Information on service importance, figure notes, and customer service contacts.
Diagram identifying key components from the front left view of the motorcycle.
Diagram identifying key components from the rear right view of the motorcycle.
Details the locations of VIN, engine number, and part numbers for identification.
Describes operation of clutch, brake, throttle, stop/start buttons, and combination switch.
Explains the function of indicator lamps for malfunction, mapping, and fuel level.
Covers the combination instrument and procedure for opening the fuel tank filler cap.
Essential advice for the first ride and the critical engine running-in phase.
Covers battery behavior in cold and preparing for difficult riding conditions like sand or mud.
Covers essential pre-ride checks, starting procedures, and safe starting off.
Guides on shifting, riding techniques, braking, and proper stopping/parking procedures.
Instructions for safely transporting the motorcycle and the refueling process.
Provides context on service work, intervals, and where to find the latest schedule.
Table detailing maintenance tasks and their recommended intervals (hours/months).
Covers chassis settings, shock absorber adjustments (compression, rebound, preload), and sag measurements.
Details XACT air suspension and basic fork setting checks and adjustments.
Step-by-step guides for adjusting fork air pressure, compression, and rebound damping.
Information on handlebar mounting options and adjusting its position for comfort and safety.
Instructions for safely raising and removing the motorcycle using a lift stand.
Covers fork bleeding, protector installation, leg service, and steering head bearing adjustments.
Procedures for shock absorber, seat, frame protector, and fender service.
Covers air filter maintenance, fuel tank removal/installation, and silencer service.
Procedures for chain inspection, cleaning, tensioning, and checking drivetrain components.
Checks for frame integrity, throttle cable routing, and rubber grip condition.
Covers clutch lever position adjustment and hydraulic clutch fluid service.
Covers checking hand brake lever free travel, position, and brake disc condition.
Procedure for checking/adding front brake fluid and changing front brake linings.
Covers foot brake lever free travel, position, and rear brake fluid/lining checks.
Procedure for changing rear brake linings, with warnings on servicing and approved parts.
Detailed procedures for removing and installing the front wheel.
Detailed procedures for removing and installing the rear wheel.
How to check tire condition, wear, age, and pressure for safety and performance.
Procedure for checking spoke tension by sound and importance of correct tension.
Explains the function of the water pump and radiator cap in coolant circulation.
Procedure for checking coolant antifreeze protection and level in the radiator.
Instructions for draining the coolant and refilling the system.
Procedure for changing the coolant, including draining, refilling, and bleeding.
Instructions for removing, installing, and charging the 12-V battery.
Covers changing the main fuse and the fuel pump fuse for electrical system protection.
Location of the diagnostics connector and its use with diagnostic tools.
Steps to reprogram the exhaust control end positions after work on the system.
How to change engine mapping (Lean/Rich) using the combination switch for different surfaces.
Procedure for checking and adjusting throttle cable play for smooth operation.
How to adjust the engine idle speed using the idle speed adjusting screw.
Covers checking and adjusting the shift lever's basic position for ergonomics.
Procedure for changing the fuel screen, with safety warnings and steps for disconnection.
Covers checking the gear oil level and the procedure for changing the gear oil.
Instructions for adding gear oil when the engine is cold, and warnings about premature wear.
Detailed instructions on how to clean the motorcycle, avoiding damage from high pressure and chemicals.
Steps for preparing the motorcycle for extended storage, including fuel, battery, and cleaning.
Instructions for recommissioning the motorcycle after a period of storage.
Troubleshooting for issues where the engine does not start or turn over.
Troubleshooting for issues like lack of power, not speeding up, or dying during trips.
Troubleshooting for engine overheating, smoke emissions, and oil leaks.
Troubleshooting for malfunction indicator lamp warnings and system faults.
Details blink codes related to various sensors and system faults, indicating error conditions.
Detailed specifications for the engine, including design, displacement, bore, stroke, and transmission.
List of specified tightening torques for various engine screws and nuts.
Specifies the capacities for engine oil, coolant, and fuel tank.
Technical details for the chassis, including frame, fork, shock absorber, and brake system.
Specifications for the 12-V battery and fuses.
Details the front and rear tire specifications and validity for SX and XC models.
Technical data for the SX and XC forks, including damping and length.
Technical data for the SX and XC shock absorbers, including damping and spring preload.
List of specified tightening torques for various chassis screws and nuts.
Details the standard, guidelines, and recommended suppliers for brake fluid.
Information on coolant type, antifreeze protection, and recommended suppliers.
Details the standard, guidelines, and recommended suppliers for 15W/50 engine oil.
Guidelines for using high-grade 2-stroke engine oil for racing applications.
Recommended air filter cleaner: MOTOREX® Racing Bio Dirt Remover.
Recommended chain cleaner: MOTOREX® Chain Clean.
Recommended fuel additive: MOTOREX® Fuel Stabilizer.
Recommended greases, motorcycle cleaner, and chain spray for maintenance.
Explains the JASO T903 MA2 standard for motorcycle engine oils.
Defines SAE viscosity classes for oils based on viscosity, not quality.
Explains the JASO FD classification for 2-stroke racing engine oils.