KTM RC 125 2023 Owner's Manual
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KTM RC 125 2023 Owner's Manual

KTM RC 125 2023 Owner's Manual

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OWNER'S MANUAL
2023
RC 125
RC 125 GP
Art. no. 3214781en

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Summary of Contents for KTM RC 125 2023

  • Page 1 OWNER'S MANUAL 2023 RC 125 RC 125 GP Art. no. 3214781en...
  • Page 3 KTM accepts no liability for delivery options, deviations from fig- ures and descriptions, misprints, and other errors. The models portrayed partly contain special equipment that does not belong to the regular scope of supply.

  • Page 4: Table Of Contents

    Engine number ........ 12 8.17 Quick Selector 2 display ....28 Key number........12 8.18 Menu..........28 CONTROLS..........13 8.18.1 KTM MY RIDE (optional) ....29 8.18.2 Trips/Data ........29 Clutch lever........13 8.18.3 Motorcycle ........29 Hand brake lever......13 8.18.4 Settings ........
  • Page 5 TABLE OF CONTENTS 8.18.19 Display Theme......36 13.14 Mounting the fuel tank cover..... 60 8.18.20 Shift Light ........37 13.15 Removing the left side cover ..61 8.18.21 Setting the time and date ..... 37 13.16 Installing the left side cover ..
  • Page 6 TABLE OF CONTENTS 17.5 Filling/bleeding the cooling system ........90 17.6 Changing the coolant ....91 18 TUNING THE ENGINE......... 94 18.1 Checking the play in the throttle cable ..........94 18.2 Adjusting the play in the throttle cable ........... 94 18.3 Checking the clutch lever play...

  • Page 7: Means Of Representation 1

    Indicates work that requires expert knowledge and technical understanding. In the interest of your own safety, have these jobs performed by an authorized KTM workshop! Your motorcycle will be cared for there to the highest degree by specially trained experts using the special tools required.

  • Page 8: Safety Advice

    2 SAFETY ADVICE Use definition – intended use This vehicle has been designed and built to withstand the normal stresses and strains of road use. This vehicle is not suitable for use on race tracks or offroad. Info This vehicle is only authorized for operation on public roads in its homologated version. Misuse The vehicle must only be used as intended.

  • Page 9: Tampering Warning

    Wear appropriate protective clothing such as helmet, boots, gloves as well as trousers and a jacket with protectors on all rides. – Always wear protective clothing that is in good condition and meets the legal regulations. In the interest of your own safety, KTM recommends that you only operate the vehicle while wearing protective clothing.

  • Page 10: Work Rules

    The Owner's Manual can be downloaded several times using the QR code or the link on the delivery certificate. The Owner's Manual is also available for download from your authorized KTM dealer and on the KTM website. A printed copy can also be ordered from your authorized KTM dealer.

  • Page 11: Important Notes 3

    Manufacturer warranty, implied warranty The work prescribed in the service schedule must only be carried out in an authorized KTM workshop and con- firmed in the KTM Dealer.net, as otherwise all warranty claims will be void. Damage or secondary damage caused by tampering with and/or conversions on the vehicle are not covered by the manufacturer warranty.

  • Page 12: View Of Vehicle

    4 VIEW OF VEHICLE View of vehicle, front left (example) S05661-10 Horn button ( p. 14) Light switch ( p. 14) Turn signal switch ( p. 14) Fuel tank filler cap Clutch lever ( p. 13) Seat lock ( p. 17) Side stand ( p.

  • Page 13: View Of Vehicle, Rear Right (Example)

    VIEW OF VEHICLE 4 View of vehicle, rear right (example) S05662-10 Tool set ( p. 18) Ignition and steering lock ( p. 15) Emergency OFF switch ( p. 15) Start button ( p. 15) Throttle grip ( p. 13) Hand brake lever ( p.

  • Page 14: Serial Numbers

    5 SERIAL NUMBERS Vehicle identification number The vehicle identification number is stamped on the right of the frame behind the steering head. 402174-10 Type label The type label is located on the right side of the frame. H01135-10 Engine number The engine number is stamped on the left side of the engine under the engine sprocket.

  • Page 15: Controls 6

    CONTROLS 6 Clutch lever The clutch lever is fitted on the left side of the handlebar. V02653-10 Hand brake lever The hand brake lever is fitted on the right side of the handle- bar. The front brake is engaged using the hand brake lever. V02654-10 Throttle grip The throttle grip...

  • Page 16: Light Switch

    6 CONTROLS 6.4.2 Light switch Light switch is fitted on the left side of the handlebar. Possible states Low beam on – Light switch in position . In this position, the low beam and the tail light are switched High beam on – Push the light switch to position In this position, the high beam and the tail light are switched on.

  • Page 17: Switches On The Right Side Of The Handlebar

    CONTROLS 6 Switches on the right side of the handlebar 6.5.1 Emergency OFF switch The emergency OFF switch is fitted on the right side of the handlebar. Possible states Emergency OFF switch off – In this position, the igni- tion circuit is interrupted, a running engine stops, and a non-running engine cannot be started.

  • Page 18: Unlocking The Steering

    6 CONTROLS – Park the vehicle. – Turn the handlebar all the way to the left. – Insert the ignition key into the ignition and steering lock, press in, and turn to the left. Remove the ignition key. Steering is no longer possible. 400732-01 Unlocking the steering –...

  • Page 19: Closing The Fuel Tank Filler Cap

    CONTROLS 6 – Lift cover of the fuel tank filler cap and insert the ignition key into the lock. Note Danger of damage The ignition key may break if overloaded. Damaged ignition keys must be replaced. – Push down on the fuel tank filler cap to take pressure off the ignition key.

  • Page 20: Tool Set

    6 CONTROLS 6.12 Tool set The tool set is in the storage compartment under the seat. V02511-10 6.13 Supporting strap The passenger can hold onto the supporting strap during the trip. V02551-10 6.14 Passenger foot pegs The passenger foot pegs can be folded up and down. Possible states Passenger foot pegs folded up –...

  • Page 21: Foot Brake Lever

    CONTROLS 6 The gear positions can be seen in the photograph. The neutral or idle position is between the first and second gears. 401950-11 6.16 Foot brake lever Foot brake lever is located in front of the right footrest. The foot brake lever is used to activate the rear brake. 402177-10 6.17 Side stand...

  • Page 22: Ergonomics

    7 ERGONOMICS Adjusting the basic position of the hand brake lever – Adjust the basic position of the hand brake lever to your hand size by turning adjusting wheel Info Push the hand brake lever forward and turn the adjust- ing wheel.
  • Page 23 ERGONOMICS 7 Guideline Nut, shift rod 10 Nm (7.4 lbf ft) – Tighten nut while holding stud Guideline Nut, shift rod M6LH 10 Nm (7.4 lbf ft) – Check the shift lever to ensure it is functioning properly and can move freely.

  • Page 24: Combination Instrument

    8 COMBINATION INSTRUMENT Combination instrument The combination instrument is attached in front of the handlebar. The combination instrument is divided into two function areas. indicator lamps ( p. 23) Display V02775-10 Activation and test Activation The combination instrument is activated when the ignition is switched on.

  • Page 25: Warnings

    (taking care not to endanger yourself or other road users in the process) and contact an authorized KTM workshop. The oil pressure warning lamp always lights up as long as the engine is not running. If the engine is run- ning and the oil pressure warning lamp lights up, stop immediately (taking care not to endanger yourself or other road users in the process) and switch off the engine.

  • Page 26: Display

    The malfunction indicator lamp lights up yellow – The OBD has detected a malfunction in the vehicle electronics. Come safely to a halt, and contact an authorized KTM workshop. The ABS warning lamp lights up yellow – Status or error messages relating to ABS.

  • Page 27: Abs Display

    COMBINATION INSTRUMENT 8 Unit for the speedometer ODO display ( p. 26) ABS mode Coolant temperature indicator ( p. 26) Fuel level display ( p. 27) Time ( p. 27) Only shown when the menu overview is closed. Favourites display ( p.

  • Page 28: Speed

    8 COMBINATION INSTRUMENT The shift warning 6,500 rpm light always flashes Coolant temperature > 35 °C (> 95 °F) > 1,000 km (> 620 mi) RPM1 shift warning flashes light RPM2 shift warning flashes and changes color light 8.10 Speed Speed is shown in kilometers per hour km/h or in miles per hour mph.

  • Page 29: Fuel Level Display

    COMBINATION INSTRUMENT 8 Info When all the bars light up, the ENGINE TEMP HIGH warning also appears. If the cooling system overheats, the maximum engine speed is limited. Possible states The engine is cold – Up to three bars light up. •...

  • Page 30: Favourites Display

    8 COMBINATION INSTRUMENT 8.15 Favourites display Up to eight items of information are shown in the Favourites dis- play. The Favourites indicator can be freely configured in the Favourites menu. Info One to four items of information selected are displayed on two lines.

  • Page 31: Ktm My Ride (Optional)

    (optional) activated. – Press the SET button when the menu is closed. – Press the UP or DOWN button until KTM MY RIDE is highlighted. Press the SET button to open the menu. Info A00943-10 This function is only available if the vehicle has Bluetooth ®...

  • Page 32: Settings

    – Press the SET button when the menu is closed. – Press the UP or DOWN button until KTM MY RIDE is highlighted. Press the SET button to open the menu. – Press the UP or DOWN button until Pairing is highlighted. Press the SET button to open the menu.

  • Page 33: Headset (Optional)

    – Press the SET button when the menu is closed. – Press the UP or DOWN button until KTM MY RIDE is highlighted. Press the SET button to open the menu. F01960-01 – Press the UP or DOWN button until Pairing is highlighted. Press the SET button to open the menu.

  • Page 34: Audio (Optional)

    – Press the SET button when the menu is closed. – Press the UP or DOWN button until KTM MY RIDE is highlighted. Press the SET button to open the menu. V01165-01 Warning Danger of accidents Headphone volume which is too high distracts attention from traffic activity.

  • Page 35: Telephony (Optional)

    Press the SET button to play or pause the audio track. Info The audio function can be added to Quick Selector 1 or Quick Selector 2 for easier operation. 8.18.9 Telephony (optional) Condition • Function KTM MY RIDE activated (optional). • Bluetooth ® function is activated. • The Bluetooth ®...

  • Page 36: Trip 1

    8 COMBINATION INSTRUMENT 8.18.11 Trip 1 – Press the SET button when the menu is closed. – Press the UP or DOWN button until Trips/Data is highlighted. Press the SET button to open the menu. – Press the UP or DOWN button until Trip 1 is highlighted. Press the SET button to open the menu.

  • Page 37: Abs

    COMBINATION INSTRUMENT 8 8.18.14 ABS – Press the SET button when the menu is closed. – Press the UP or DOWN button until Motorcycle is highlighted. Press the SET button to open the menu. – Press the UP or DOWN button until ABS is highlighted. Press the SET button to open the submenu.

  • Page 38: Quick Selector 2

    This function is only available if the vehicle has Bluetooth ® hardware. The Bluetooth ® function can only be used in conjunction with KTM MY RIDE (optional). When the Bluetooth ® function is switched on and the device is connected, the Bluetooth ® symbol appears in the display of the combination instrument.

  • Page 39: Shift Light

    COMBINATION INSTRUMENT 8 Info In both modes, the background lighting is brightened or dimmed depending on the amount of light that the ambient light sensor detects. 8.18.20 Shift Light Condition • The motorcycle is stationary. • ODO > 1,000 km (621 mi). –...

  • Page 40: Distance

    8 COMBINATION INSTRUMENT Setting the date – Press UP or DOWN button until the date is marked. – Press the SET button. The day flashes and is underlined. – Press UP or DOWN button until the current day is set. –...

  • Page 41: Language

    Use the UP or DOWN button to navigate through the extra func- A00937-10 tions. The optional extra functions are listed in Extra Functions. Info The current KTM PowerParts and the available software for your vehicle can be found on the KTM website.

  • Page 42: Preparing For Use

    Info When using the vehicle, remember that others may feel disturbed by excessive noise. – Ensure that the pre-sales inspection work has been carried out by an authorized KTM workshop. The delivery certificate is transferred upon vehicle handover. – Read the entire Owner's Manual before riding for the first time.

  • Page 43: Running In The Engine

    PREPARING FOR USE 9 Running in the engine – During the running-in phase, do not exceed the specified engine speed. Guideline Maximum engine speed During the first: 1,000 km (620 mi) 7,500 rpm Info During the running-in phase, the shift warning light is set to a specified value and cannot be changed. –...

  • Page 44: Riding Instructions

    10 RIDING INSTRUCTIONS 10.1 Checks and maintenance measures when preparing for use Info Before every trip, check the condition of the vehicle and ensure that it is roadworthy. The vehicle must be in perfect technical condition when it is being operated. –...

  • Page 45: Starting Off

    RIDING INSTRUCTIONS 10 – Unlock the steering. ( p. 16) – Sit on the vehicle, take the weight off of the side stand, and move it all the way up with your foot. – Turn the emergency OFF switch to the position –...

  • Page 46: Shifting, Riding

    10 RIDING INSTRUCTIONS 10.4 Shifting, riding Warning Danger of accidents Abrupt load alterations can cause the vehicle to get out of control. – Avoid abrupt load alterations and sudden braking actions. – Adapt your speed to the road conditions. Warning Danger of accidents If you change down at high engine speed, the rear wheel blocks and the engine races.
  • Page 47 Info If unusual noises occur while riding, stop immediately (taking care not to endanger yourself or other road users in the process), switch off the engine and contact an authorized KTM workshop. – Shift into a higher gear when conditions allow (incline, road situation, etc.).

  • Page 48: Braking

    Danger of accidents A spongy pressure point on the front or rear brake reduces braking efficiency. – Check the brake system and do not continue riding until the problem is eliminated. (Your authorized KTM workshop will be glad to help.) Warning Danger of accidents The brake system fails in the event of overheating.

  • Page 49: Stopping, Parking

    RIDING INSTRUCTIONS 10 10.6 Stopping, parking Warning Risk of injury People who act without authorization endanger themselves and others. – Do not leave the vehicle unattended if the engine is running. – Protect the vehicle against access by unauthorized persons. – Lock the steering and remove the ignition key if you leave the vehicle unattended.

  • Page 50: Towing In The Event Of A Breakdown

    10 RIDING INSTRUCTIONS – Switch off the engine and remove the ignition key. – Use tension belts or other suitable devices to secure the motorcycle against accidents or falling over. 401475-01 10.8 Towing in the event of a breakdown Note Danger of damage Towing away using a towing vehicle is not an appropriate vehicle recovery method.
  • Page 51 In some countries and regions, the available fuel quality and cleanliness may not be sufficient. This will result in problems with the fuel system. – Refuel only with clean fuel that meets the specified standards. (Your authorized KTM workshop will be glad to help.) Note Environmental hazard Improper handling of fuel is a danger to the environment.

  • Page 52: Service Schedule

    Different service intervals may apply in your country, depending on the local operating conditions. Individual service intervals and scopes may change in the course of technical developments. The most up-to-date service schedule can always be found on KTM Dealer.net. Your authorized KTM dealer will be happy to advise you.
  • Page 53 Final check: Check the vehicle is roadworthy and take a test ride. ○ ● ● ● ● ● Read out the error memory after the test ride using the KTM diagnostics tool. ○ ● ● ● ● ● Set the service interval display.

  • Page 54: Tuning The Chassis

    12 TUNING THE CHASSIS 12.1 Adjusting the spring preload of the shock absorber Warning Danger of accidents Modifications to the suspension setting may seriously alter the handling characteris- tic. – Ride slowly to start with after making adjustments to get the feel of the new handling characteristic. Info The spring preload defines the initial status of the spring operation on the shock absorber.

  • Page 55: Service Work On The Chassis 13

    SERVICE WORK ON THE CHASSIS 13 13.1 Raising the motorcycle with rear lifting gear Note Danger of damage The parked vehicle can roll away or fall over. – Park the vehicle on a firm and level surface. – Mount the supports of the lifting gear. –...

  • Page 56: Taking The Motorcycle Off The Front Lifting Gear

    13 SERVICE WORK ON THE CHASSIS – Move the handlebar to the straight-ahead position. Position the lifting gear. Mounting pin (69329965030) Front wheel work stand, large (69329965100) Info Always raise the motorcycle at the rear first. – Lift the motorcycle at the front. 402345-01 13.4 Taking the motorcycle off the front lifting gear...

  • Page 57: Removing The Front Rider's Seat

    SERVICE WORK ON THE CHASSIS 13 Main work – Push dust boots of both fork legs downward. Info The dust boots remove dust and coarse dirt particles from the inside fork tubes. Over time, dirt can accumu- late behind the dust boots. If this dirt is not removed, the oil seals behind can start to leak.

  • Page 58: Checking For Chain Dirt Accumulation

    13 SERVICE WORK ON THE CHASSIS 13.8 Checking for chain dirt accumulation – Check the chain for coarse dirt accumulation. » If the chain is very dirty: – Clean the chain. ( p. 56) 400678-01 13.9 Cleaning the chain Warning Danger of accidents Lubricants on the tires reduces the road grip.

  • Page 59: Checking The Chain Tension

    SERVICE WORK ON THE CHASSIS 13 13.10 Checking the chain tension Warning Danger of accidents Incorrect chain tension damages components and results in accidents. If the chain is tensioned too much, the chain, engine sprocket, rear sprocket, transmission and rear wheel bearings wear more quickly. Some components may break if overloaded. If the chain is too loose, the chain may fall off the engine sprocket or the rear sprocket.

  • Page 60: Checking The Chain, Rear Sprocket, And Engine Sprocket

    13 SERVICE WORK ON THE CHASSIS Main work – Loosen nut – Loosen nuts – Adjust the chain tension by turning adjusting screws left and right. Guideline Chain tension 5 … 7 mm (0.2 … 0.28 in) Turn the adjusting screws on the left and right so that the markings on the left and right chain adjusters are in...

  • Page 61: Removing The Fuel Tank Cover

    SERVICE WORK ON THE CHASSIS 13 – Pull on the lower chain section with the specified weight Guideline Weight, chain wear measure- 15 kg (33 lb.) ment – Measure distance of 20 chain rollers in the lower chain section. Info Chain wear is not always even, so you should repeat this measurement at different chain positions.

  • Page 62: Mounting The Fuel Tank Cover

    13 SERVICE WORK ON THE CHASSIS – Pull the fuel tank cover from holding lugs – Pull holding lugs out of the brackets. – Pull the fuel tank cover off towards the rear and take off upwards. V02493-10 13.14 Mounting the fuel tank cover Main work –...

  • Page 63: Removing The Left Side Cover

    SERVICE WORK ON THE CHASSIS 13 Finishing work – Mount the front rider's seat. ( p. 55) 13.15 Removing the left side cover – Remove screws – Remove screws with the bushings. V02516-10 – Remove screws with the bushings. – Pull off holding lugs in area and in area –...

  • Page 64: Removing The Right Side Cover

    13 SERVICE WORK ON THE CHASSIS 13.17 Removing the right side cover – Remove screws – Remove screws with the bushings. V02504-10 – Remove screws with the bushings. – Pull off holding lugs in area and in area – Take off the side cover. V02503-10 13.18 Installing the right side cover...

  • Page 65: Removing The Front Fender

    SERVICE WORK ON THE CHASSIS 13 13.19 Removing the front fender – Remove screws – Take off the front fender. V02652-10 13.20 Installing the front fender – Position the front fender. – Mount and tighten screws Guideline Remaining screws, 6 Nm (4.4 lbf ft) trim V02652-10...

  • Page 66: Brake System

    Do not make any changes to the suspension travel. – Only use spare parts on the brake system which have been approved and recommended by KTM. – Only use tires/wheels approved by KTM with the corre- sponding speed index. – Maintain the specified tire pressure. –...

  • Page 67: Checking The Brake Discs

    Warning Danger of accidents Worn-out brake discs reduce the braking effect. – Make sure that worn-out brake discs are replaced immediately. (Your authorized KTM workshop will be glad to help.) – Check the front and rear brake disc thickness at multiple...

  • Page 68: Adding Front Brake Fluid

    – Make sure that brake fluid for the front and rear brake is changed in accordance with the service schedule. (Your authorized KTM workshop will be glad to help.) – Make sure that only clean, approved brake fluid from a tightly sealed container is used. (Your autho- rized KTM workshop will be glad to help.)

  • Page 69: Checking That The Brake Linings Of The Front Brake Are Secured

    Checking that the brake linings of the front brake are secured Warning Danger of accidents Worn-out brake linings reduce the braking effect. – Ensure that worn-out brake linings are replaced immediately. (Your authorized KTM workshop will be glad to help.) Warning Danger of accidents Damaged brake discs reduce the braking effect.

  • Page 70: Checking The Rear Brake Fluid Level

    – Make sure that brake fluid for the front and rear brake is changed in accordance with the service schedule. (Your authorized KTM workshop will be glad to help.) – Make sure that only clean, approved brake fluid from a tightly sealed container is used. (Your autho- rized KTM workshop will be glad to help.)
  • Page 71 – Make sure that brake fluid for the front and rear brake is changed in accordance with the service schedule. (Your authorized KTM workshop will be glad to help.) – Make sure that only clean, approved brake fluid from a tightly sealed container is used. (Your autho- rized KTM workshop will be glad to help.)

  • Page 72: Checking That The Brake Linings Of The Rear Brake Are Secured

    Checking that the brake linings of the rear brake are secured Warning Danger of accidents Worn-out brake linings reduce the braking effect. – Ensure that worn-out brake linings are replaced immediately. (Your authorized KTM workshop will be glad to help.) Warning Danger of accidents Damaged brake discs reduce the braking effect.

  • Page 73: Adjusting The Free Travel Of The Foot Brake Lever

    BRAKE SYSTEM 14 – Disconnect spring – Move the foot brake lever back and forth between the end stop and the contact to the foot brake cylinder piston and check free travel Guideline Free travel at foot brake lever 3 … 5 mm (0.12 … 0.2 in) »...

  • Page 74: Wheels, Tires

    15 WHEELS, TIRES 15.1 Removing the front wheel Preparatory work – Raise the motorcycle with the rear lifting gear. ( p. 53) – Lift the motorcycle with the front lifting gear. ( p. 53) Main work – Remove screw and pull wheel speed sensor out of the hole.
  • Page 75 WHEELS, TIRES 15 – Clean the thread of the wheel spindle and screw – Clean and grease wheel spindle. Long-life grease ( p. 114) – Position the front wheel and insert the wheel spindle. – Mount and tighten screw Guideline Screw, front wheel M24x1.5 45 Nm (33.2 lbf ft)

  • Page 76: Removing The Rear Wheel

    15 WHEELS, TIRES 15.3 Removing the rear wheel Preparatory work – Raise the motorcycle with the rear lifting gear. ( p. 53) Main work – Remove screw and pull wheel speed sensor out of the hole. – Remove nut and washer. –...

  • Page 77: Checking The Rear Hub Damping Rubber Pieces

    WHEELS, TIRES 15 – Clean and grease wheel spindle. Long-life grease ( p. 114) – Clean the contact areas on the brake caliper bracket and link fork. – Position the rear wheel. The brake linings are correctly positioned. – Push the rear wheel forward as far as possible and lay the chain on the rear sprocket.

  • Page 78: Checking The Tire Condition

    Warning Danger of accidents If a tire bursts while riding, the vehicle becomes uncontrollable. – Ensure that damaged or worn tires are replaced immediately. (Your authorized KTM workshop will be glad to help.) Warning Danger of crashing Different tire tread patterns on the front and rear wheel impair the handling charac- teristic.

  • Page 79: Checking Tire Pressure

    Danger of accidents Non-approved or non-recommended tires and wheels impact the handling character- istic. – Only use tires/wheels approved by KTM with the corresponding speed index. Info The type, condition, and pressure of the tires all have a major impact on the handling characteristic of the motorcycle.
  • Page 80 15 WHEELS, TIRES – Remove the protection cap. – Check the tire pressure when the tires are cold. Tire pressure when solo front 2.0 bar (29 psi) rear 2.0 bar (29 psi) Tire pressure with passenger / full payload front 2.0 bar (29 psi) 400695-01 rear...

  • Page 81: Electrical System 16

    ELECTRICAL SYSTEM 16 16.1 Removing the 12-V battery Warning Risk of injury Battery acid and battery gases cause serious chemical burns. – Keep 12 V batteries out of the reach of children. – Wear suitable protective clothing and safety glasses. – Avoid contact with battery acid and battery gases.

  • Page 82: Charging The 12-V Battery

    16 ELECTRICAL SYSTEM – Position negative cable and mount and tighten the screw. V02521-11 Finishing work – Mount the fuel tank cover. ( p. 60) – Mount the front rider's seat. ( p. 55) – Set time and date. ( p.
  • Page 83 ELECTRICAL SYSTEM 16 Main work – Disconnect negative cable from the 12 V battery to avoid damaging the onboard electronics. – Remove positive terminal cover V02565-10 – Connect a battery charger to the 12-V battery. Switch on the battery charger. Battery charger (58429074200) It is impossible to overcharge the 12‑V battery using this bat- tery charger.

  • Page 84: Changing The Abs Fuses

    16 ELECTRICAL SYSTEM 16.4 Changing the ABS fuses Warning Fire hazard Incorrect fuses overload the electrical system. – Only use fuses with the required ampere value. – Do not bypass or repair fuses. Info Two fuses for the ABS are located under the protection cap next to the negative terminal of the 12-V bat- tery.

  • Page 85: Changing The Main Fuse

    ELECTRICAL SYSTEM 16 Fuse (75011088015) ( p. 109) Insert spare fuse in the fuse box so that it is available if needed. – Mount the protection cap. Finishing work – Mount the fuel tank cover. ( p. 60) – Mount the front rider's seat. ( p.

  • Page 86: Changing The Fuses Of Individual Electrical Power Consumers

    16 ELECTRICAL SYSTEM 16.6 Changing the fuses of individual electrical power consumers Info The fuse box with the main fuse and the fuses of the individual electrical power consumers is located under the fuel tank cover. Preparatory work – Remove the front rider's seat. ( p.

  • Page 87: Checking The Headlight Setting

    ELECTRICAL SYSTEM 16 Finishing work – Mount the fuel tank cover. ( p. 60) – Mount the front rider's seat. ( p. 55) 16.7 Checking the headlight setting – Park the vehicle on a horizontal surface in front of a light- colored wall and make a mark at the height of the center of the low beam headlight.

  • Page 88: Diagnostics Connector

    16 ELECTRICAL SYSTEM 16.9 Diagnostics connector Diagnostics connector is located under the front rider's seat. S05281-10 16.10 ACC1 front Installation location – Power supplies ACC1 front are located under the coolant compensating tank. Info The power supplies are protected by a fuse; however, this fuse also protects other electrical power consumers.

  • Page 89: Cooling System 17

    COOLING SYSTEM 17 17.1 Cooling system Water pump in the engine ensures forced circulation of the coolant. The pressure resulting from the warming of the cooling system is regulated by a valve in radiator cap . Heat expansion causes excess coolant to flow into compensating tank .

  • Page 90: Checking The Antifreeze And Coolant Level

    17 COOLING SYSTEM Condition The engine is cold. The radiator is completely full. – Stand the motorcycle upright on a horizontal surface. – Check the coolant level in the compensating tank The coolant level must be between MIN and MAX. »...

  • Page 91: Draining The Coolant

    COOLING SYSTEM 17 The coolant level must be between MIN and MAX. » If the coolant level does not match the specified value: – Correct the coolant level. Coolant ( p. 112) – Mount the cap of the compensating tank. –...

  • Page 92: Filling/Bleeding The Cooling System

    17 COOLING SYSTEM Main work – Position the motorcycle upright. – Place an appropriate container under the engine. – Remove screw – Take off the radiator cap. – Completely drain the coolant. – Mount and tighten screw with a new seal ring. Guideline V02553-10 Screw plug,...

  • Page 93: Changing The Coolant

    COOLING SYSTEM 17 Danger Danger of poisoning Exhaust gases are toxic and inhal- ing them may result in unconsciousness and death. – Always make sure there is sufficient ventilation when running the engine. – Use effective exhaust extraction when starting or running the engine in an enclosed space.
  • Page 94 17 COOLING SYSTEM Main work – Position the motorcycle upright. – Position an appropriate container under the engine. – Remove screw V02553-10 – Remove radiator cap – Completely drain the coolant. – Mount and tighten screw with a new seal ring. Guideline Screw plug, 11 Nm (8.1 lbf ft)
  • Page 95 COOLING SYSTEM 17 Finishing work – Install the left side cover. p. 61) – Install the right side cover. p. 62)

  • Page 96: Tuning The Engine

    18 TUNING THE ENGINE 18.1 Checking the play in the throttle cable – Check the throttle grip for smooth operation. – Move the handlebar to the straight-ahead position. Turn the throttle grip back and forth slightly and determine the play in throttle cable 3 …...

  • Page 97: Adjusting Play In The Clutch Lever

    TUNING THE ENGINE 18 – Check the clutch lever for smooth operation. – Move the handlebar to the straight-ahead position. – Pull the clutch lever until resistance is perceptible, and deter- mine the play in the clutch lever 1 … 3 mm (0.04 … Clutch lever play 0.12 in) »...

  • Page 98: Service Work On The Engine

    19 SERVICE WORK ON THE ENGINE 19.1 Checking the engine oil level Condition The engine is at operating temperature. Preparatory work – Stand the motorcycle upright on a horizontal surface. Main work – Check the engine oil level. Info After switching off the engine, wait one minute before checking the level.
  • Page 99 SERVICE WORK ON THE ENGINE 19 – Remove screws . Take off oil filter cover with the O- ring. – Pull oil filter out of the oil filter housing. – Allow the engine oil to drain completely. – Thoroughly clean the parts and the sealing surface. V00675-10 –...

  • Page 100: Adding Engine Oil

    19 SERVICE WORK ON THE ENGINE 19.3 Adding engine oil Info Too little engine oil or poor-quality engine oil will result in premature wear of the engine. Main work – Remove filler plug with the O-ring, and fill up with engine oil.

  • Page 101: Cleaning, Care 20

    CLEANING, CARE 20 20.1 Cleaning the motorcycle Note Material damage Components become damaged or destroyed if a pressure cleaner is used incorrectly. The high pressure forces water into the electrical components, connectors, throttle cables, and bearings, etc. Pressure which is too high causes malfunctions and destroys components. –...

  • Page 102: Checks And Maintenance Steps For Winter Operation

    20 CLEANING, CARE – Push back the sleeves of the handlebar controls to allow any water that has penetrated to evaporate. – After the motorcycle has cooled down, lubricate all moving parts and pivot points. – Clean the chain. ( p.

  • Page 103: Storage 21

    – Store the vehicle in a dry location that is not subject to large fluctuations in temperature. Info KTM recommends jacking up the motorcycle. – Raise the motorcycle with the rear lifting gear. ( p. 53) – Lift the motorcycle with the front lifting gear. ( p.

  • Page 104: Preparing For Use After Storage

    21 STORAGE 21.2 Preparing for use after storage – Take the motorcycle off the front lifting gear. ( p. 54) – Remove the rear of the motorcycle from the lifting gear. p. 53) – Install the 12-V battery. p. 79) –...

  • Page 105: Troubleshooting 22

    Carry out start procedure. ( p. 42) – Malfunction in the electronic Read out the fault memory using the fuel injection KTM diagnostics tool. – Engine has too little power Air filter is very dirty Change the air filter. –...
  • Page 106 22 TROUBLESHOOTING Faults Possible cause Action – 12-V battery discharged Ignition was not switched off Charge the 12-V battery. p. 80) when vehicle was parked – The 12-V battery is not being Check the charging voltage. charged by the alternator –...

  • Page 107: Technical Specifications 23

    TECHNICAL SPECIFICATIONS 23 23.1 Engine Design 1-cylinder 4-stroke engine, water-cooled Displacement 125 cm³ (7.63 cu in) Stroke 47.2 mm (1.858 in) Bore 58 mm (2.28 in) Compression ratio 12.8:1 Control DOHC, four valves controlled via cam lever, chain drive Valve diameter, intake 22.5 mm (0.886 in) Valve diameter, exhaust 19 mm (0.75 in)

  • Page 108: Engine Tightening Torques

    23 TECHNICAL SPECIFICATIONS 23.2 Engine tightening torques Oil nozzle 4 Nm (3 lbf ft) Loctite ® 243™ Screw, engine vent plate 7 Nm (5.2 lbf ft) Loctite ® 243™ Screw, gear position sensor 5 Nm (3.7 lbf ft) Loctite ® 243™...

  • Page 109: Capacities

    TECHNICAL SPECIFICATIONS 23 Screw, water pump cover 11 Nm (8.1 lbf ft) Nut, conrod bearing 22.5 Nm (16.6 lbf ft) Nut, exhaust flange 21 Nm (15.5 lbf ft) Screw, balancer shaft gear wheel 39 Nm (28.8 lbf ft) Loctite ® 243™...

  • Page 110: Fuel

    23 TECHNICAL SPECIFICATIONS 23.3.3 Fuel Please observe the labels on EU fuel pumps. A00420-10 Total fuel tank capacity, approx. 13.7 l (3.62 US gal) Super unleaded (ROZ 95) p. 113) Fuel reserve, approx. 1.5 l (1.6 qt.) 23.4 Chassis Frame Lattice frame of steel tubes, powder-coated Fork WP Suspension...

  • Page 111: Electrical System

    The tires specified represent one of the possible series production tires. For alternative manufacturers, if any, contact an authorized dealer or qualified tire dealership. If local road approval regulations apply, these and the respective technical specifications must be observed. Additional information is available in the Service section under: KTM.COM 23.7 Fork Fork article number...

  • Page 112: Chassis Tightening Torques

    23 TECHNICAL SPECIFICATIONS 23.9 Chassis tightening torques Remaining screws, chassis 4 Nm (3 lbf ft) Remaining screws, chassis 5 Nm (3.7 lbf ft) Remaining screws, trim 4 Nm (3 lbf ft) Screw, anti-rotation lock, handle- 4 Nm (3 lbf ft) bar stub Screw, side stand sensor 5 Nm (3.7 lbf ft)
  • Page 113 TECHNICAL SPECIFICATIONS 23 Screw, subframe bottom 25 Nm (18.4 lbf ft) Loctite ® 243™ Screw, top triple clamp 15 Nm (11.1 lbf ft) Screw, front brake caliper M8x1 32 Nm (23.6 lbf ft) Loctite ® 243™ Banjo bolt, brake line 24 Nm (17.7 lbf ft) Nut, engine bearer, front 48 Nm (35.4 lbf ft)

  • Page 114: Substances

    24 SUBSTANCES Brake fluid DOT 4 / DOT 5.1 Standard/classification – Guideline – Use only brake fluid that complies with the specified standard (see specifications on the container) and that exhibits the corresponding properties. Recommended supplier Castrol – REACT PERFORMANCE DOT 4 MOTOREX ®...
  • Page 115 SUBSTANCES 24 Engine oil (SAE 10W/40) Standard/classification – JASO T903 MA2 ( p. 115) – SAE ( p. 115) (SAE 10W/40) Guideline – Use only engine oils that comply with the specified standards (see specifications on the container) and that exhibit the corresponding properties.

  • Page 116: Auxiliary Substances

    25 AUXILIARY SUBSTANCES Chain cleaner Recommended supplier MOTOREX ® – Chain Clean Fuel additive Recommended supplier MOTOREX ® – Fuel Stabilizer Long-life grease Recommended supplier MOTOREX ® – Bike Grease 2000 Motorcycle cleaner Recommended supplier MOTOREX ® – Moto Clean Perfect finish and high gloss polish for paints Recommended supplier MOTOREX...

  • Page 117: Standards 26

    STANDARDS 26 JASO T903 MA2 Different technical development directions required a separate specification for motorcycles – the JASO T903 MA2 standard. Earlier, engine oils from the automobile industry were used for motorcycles because there was no separate motor- cycle specification. Whereas long service intervals are demanded for automobile engines, the focus for motorcycle engines is on high performance at high engine speeds.

  • Page 118: Index Of Special Terms

    Anti-lock braking system Safety system that prevents locking of the wheels when driving straight ahead without the influence of lateral forces KTM MY RIDE System for wireless communication with appropriate cellphones and headsets for telephony and audio On-board diagnosis Vehicle system, which monitors the specified parame-...

  • Page 119: List Of Abbreviations 28

    LIST OF ABBREVIATIONS 28 Art. no. Article number circa compare e.g. for example etc. et cetera i.a. inter alia number poss. possibly...

  • Page 120: List Of Symbols

    The malfunction indicator lamp lights up yellow – The OBD has detected a malfunction in the vehicle electronics. Come safely to a halt, and contact an authorized KTM workshop. The ABS warning lamp lights up yellow – Status or error messages relating to ABS.

  • Page 121: Index

    ....68 KTM MY RIDE ..... . . 29 Brake fluid level Language .
  • Page 122 INDEX Coolant Fuel tank filler cap changing ......91 closing ......17 draining .
  • Page 123 INDEX Passenger foot pegs ..... 18 Supporting strap ......18 Play in the clutch lever Switch adjusting .
  • Page 124 *3214781en* 3214781en 15.03.2023 KTM Sportmotorcycle GmbH 5230 Mattighofen/Austria Photo: Mitterbauer/KISKA/KTM KTM.COM...

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