Why aren't the turn signal, brake light, and horn working on my KTM RC 125 Motorcycle?
- DDanny ArmstrongSep 8, 2025
If the turn signal, brake light, and horn on your KTM Motorcycle are not functional, fuse 6 may be blown, so replace it.
Why aren't the turn signal, brake light, and horn working on my KTM RC 125 Motorcycle?
If the turn signal, brake light, and horn on your KTM Motorcycle are not functional, fuse 6 may be blown, so replace it.
Displacement | 124.7 cc |
---|---|
Transmission | 6-speed |
Fuel System | Electronic Fuel Injection |
Bore x Stroke | 58 mm x 47.2 mm |
Engine Type | Liquid-cooled, 1-cylinder, 4-stroke engine |
Max Torque | 12 Nm @ 8, 000 rpm |
Front Suspension | WP upside-down fork |
Rear Suspension | WP Monoshock |
Front Brake | Single disc, 4-piston caliper |
Rear Brake | Single disc, single-piston caliper |
Frame | Steel trellis frame |
Front Tire | 110/70 R17 |
Rear Tire | 150/60-17 |
Explains the meaning of symbols used for warnings, notes, and references in the manual.
Details typographical formats like specific names, protected names, and brands used in the text.
Defines the intended use of the motorcycle for regular road operation only, excluding racing.
Provides general safety instructions and emphasizes reading the manual for safe operation.
Explains the different levels of risk (Danger, Warning, Caution, Note) and associated symbols.
Warns against modifying the noise control system and lists prohibited acts under federal law.
Covers critical safe operation points including alcohol, drugs, poisoning, and burns hazards.
Stresses the necessity of wearing proper protective gear (helmet, boots, gloves, etc.) at all times.
Outlines rules for performing work, including using special tools and replacing non-reusable parts.
Advises on responsible use of the motorcycle and compliance with environmental regulations for disposal.
Highlights the importance of reading and keeping the Owner's Manual accessible for proper vehicle use.
Details warranty conditions, service requirements at authorized workshops, and voiding coverage.
Provides safety warnings and guidelines for handling fuel and other essential vehicle fluids.
Recommends using only KTM-approved parts and accessories for safety and performance.
Emphasizes that proper service and adherence to intervals ensure motorcycle longevity and performance.
Shows a diagram of the motorcycle's front left view with numbered parts for identification.
Shows a diagram of the motorcycle's rear right view with numbered parts for identification.
Identifies the location of the chassis number, stamped on the frame under the seat.
Indicates the location of the type label on the frame behind the steering head.
Shows the location of the engine number, stamped on the left side of the engine.
Explains that the key number is found on the KEYCODECARD for ordering spare keys.
Locates the clutch lever on the left side of the handlebar and describes its basic function.
Locates the hand brake lever on the right side of the handlebar for engaging the front brake.
Locates the throttle grip on the right side of the handlebar for controlling engine speed.
Details the location and operation of the horn button on the left handlebar.
Explains the operation of the light switch for low beam and high beam functions.
Describes the function and location of the emergency OFF switch for cutting ignition.
Explains the ignition/steering lock's states: OFF, ON, and Steering Locked.
Provides steps to lock the steering for securing the parked motorcycle.
Guides on opening the fuel filler cap, including essential fire and poisoning hazard warnings.
Locates the foot brake lever in front of the right footrest for rear brake activation.
Explains the side stand's function and its connection to the safety start system.
Provides an overview of the instrument cluster, identifying display, buttons, and indicator lamps.
Describes the activation sequence and self-test performed by the instrument cluster on ignition.
Lists and explains common warning messages displayed on the info display for system status.
Explains the use of MODE and SET buttons for navigating and resetting trip functions.
Details the meaning of various indicator lamps, including turn signals, MIL, and warning lights.
Describes the various segments of the instrument display, such as speed, tachometer, and gear.
Guides on how to change the distance unit display between kilometers and miles.
Provides step-by-step instructions for setting the clock on the instrument cluster.
Explains how to set the engine speed threshold for the first shift warning light.
Explains how to set the engine speed threshold for the second shift warning light.
Offers essential initial use advice, including safety warnings and pre-ride checks.
Provides critical guidelines for the engine's running-in period to ensure optimal performance and lifespan.
Details warnings and advice on proper vehicle loading, weight limits, and handling characteristics.
Lists essential pre-ride checks covering fluids, brakes, tires, controls, and securing luggage.
Covers the starting procedure, including safety warnings about exhaust gases and battery.
Provides guidance on shifting gears, riding techniques, and warnings about load alterations.
Explains proper braking techniques and warns about reduced efficiency due to wet or worn components.
Details safe stopping and parking procedures, including securing the vehicle and avoiding hot components.
Guides on safe refueling practices, including fuel type, fire hazards, and environmental concerns.
Lists mandatory maintenance tasks scheduled at specific intervals for vehicle upkeep.
Lists recommended maintenance tasks that contribute to optimal vehicle performance and longevity.
Explains how to adjust the rear shock absorber's spring preload for rider and load weight.
Provides instructions for adjusting the position of the shift lever for comfortable operation.
Step-by-step guide on safely lifting the motorcycle using a rear wheel stand.
Step-by-step guide on safely lifting the motorcycle using a front wheel stand.
Details the procedure for cleaning fork leg dust boots to prevent seal damage.
Provides instructions for properly cleaning the drive chain using appropriate materials.
Explains how to measure and check the drive chain tension for correct operation.
Guides on adjusting the drive chain tension to the specified measurement for optimal performance.
Inspects the drive chain, rear sprocket, and engine sprocket for wear.
Details the process for removing the left side fairing panel for access to components.
Details the process for removing the right side fairing panel for access to components.
Explains the ABS safety system, its function, and warnings related to modifications.
Guides on checking the thickness and condition of the front and rear brake discs for wear.
Details how to check the front brake fluid level and warnings about system failure.
Explains how to check the minimum thickness of the front brake linings for wear.
Details how to check the rear brake fluid level and warnings about system failure.
Explains how to check the minimum thickness of the rear brake linings for wear.
Provides instructions for adjusting the foot brake lever's free travel to prevent overheating.
Step-by-step instructions for safely removing the front wheel, including precautions for brake discs.
Step-by-step instructions for safely installing the front wheel, ensuring correct component placement.
Step-by-step instructions for safely removing the rear wheel, including chain removal.
Step-by-step instructions for safely installing the rear wheel, ensuring correct alignment and chain placement.
Guides on inspecting tires for cuts, tread depth, damage, and age, emphasizing safety.
Provides the correct tire air pressure specifications for solo and passenger loads.
Details the procedure for safely disconnecting and removing the motorcycle battery.
Details the procedure for safely installing the motorcycle battery, ensuring correct connections.
Explains the process of recharging the battery, including safety precautions and charging intervals.
Guides on identifying and replacing fuses for various electrical circuits and components.
Provides instructions for replacing the low beam headlight bulb, including cleaning precautions.
Provides instructions for replacing the high beam headlight bulb, including cleaning precautions.
Explains the procedure to check the low beam headlight's vertical alignment against a wall.
Guides on adjusting the low beam headlight's vertical range using an adjustment screw.
Details how to check the coolant level in the compensating tank when the engine is cold.
Guides on checking the antifreeze protection level and the overall coolant level in the radiator.
Explains how to fill the cooling system with coolant and bleed air for proper circulation.
Guides on checking the throttle cable for correct play and ensuring smooth throttle operation.
Provides instructions for adjusting the throttle cable play to the specified range.
Guides on checking the clutch lever for correct play and ensuring smooth clutch engagement.
Provides instructions for adjusting the clutch cable play to the specified range.
Details the procedure for checking the engine oil level, including correct wait times.
Step-by-step guide to changing engine oil, oil filter, and cleaning the oil screen.
Provides instructions for adding engine oil, including capacity and recommended oil types.
Offers essential advice and procedures for cleaning the motorcycle, emphasizing safe methods.
Outlines necessary checks and maintenance to protect the motorcycle from winter conditions and road salt.
Details the steps required for properly preparing and storing the motorcycle for extended periods.
Outlines the procedure for getting the motorcycle ready for operation after a storage period.
Lists detailed technical specifications for the engine, including design, displacement, and valve data.
Provides a table of specified tightening torques for various engine components.
Lists the capacities for essential fluids like engine oil, coolant, and fuel.
Provides technical specifications related to the chassis, suspension, and brake system dimensions.
Lists technical specifications for electrical components such as battery and fuses.
Provides a table of specified tightening torques for various chassis components.
Details the standard, guidelines, and recommended suppliers for brake fluid types.
Provides guidelines for coolant quality, mixture ratios, and antifreeze protection levels.
Specifies the standard and guidelines for the recommended unleaded super fuel.
Lists recommended suppliers and product names for chain cleaner.
Lists recommended suppliers and product names for chain lubricant.
Lists recommended suppliers and product names for motorcycle cleaning products.
Explains the JASO T903 MA standard for motorcycle engine oils and its requirements.
Explains the SAE viscosity classification system used for engine and gear oils.
Provides a definition for the Antilock Braking System (ABS).