TABLE OF CONTENTS Applying the brakes......... 21 TABLE OF CONTENTS MEANS OF REPRESENTATION ........4 Stopping, parking..........22 Symbols used ........... 4 Transport ............22 Formats used............ 4 Refueling ............23 SAFETY ADVICE............5 SERVICE SCHEDULE ..........24 Use definition - intended use ......5 Additional information ........
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TABLE OF CONTENTS 11.30 Changing the glass fiber yarn filling of the 16 SERVICE WORK ON THE ENGINE ....... 75 main silencer ..........43 16.1 Checking the gear oil level ....... 75 11.31 Removing the fuel tank ........ 44 16.2 Changing the gear oil ........
All work marked with this symbol requires specialist knowledge and technical understanding. In the interest of your own safety, have these jobs performed by an authorized KTM workshop. There, your motorcycle will be opti- mally cared for by specially trained experts using the specialist tools required.
SAFETY ADVICE Use definition - intended use KTM sport motorcycles are designed and built to withstand the normal stresses and strains of competitive use. The motorcycles com- ply with currently valid regulations and categories of the top international motorsport organizations.
Keep the Owner's Manual in an accessible place to enable you to refer to it as needed. If you would like to know more about the vehicle or have questions on the material you read, please contact an authorized KTM dealer.
Manufacturer and implied warranty The work specified in the service schedule may only be performed in an authorized KTM workshop and must be recorded in both the Service & Warranty Booklet and in KTM Dealer.net, otherwise any warranty coverage will become void. Damage or secondary damage caused by tampering with and/or conversions on the vehicle are not covered by the warranty.
VIEW OF VEHICLE View of vehicle, front left (example) S01154-10 Hand brake lever ( p. 11) Kill switch ( p. 11) Clutch lever ( p. 11) Air filter box cover Shift lever ( p. 13) Choke ( p. 13) Fuel tap ( p.
SERIAL NUMBERS Chassis number Chassis number is stamped on the right side of the steering head. 401945-10 Type label Type label is located on the front frame tube. 402154-10 Engine number Engine number is stamp into the engine case below the carburetor. H01343-10 Fork part number Fork part number...
CONTROLS Clutch lever Clutch lever is fitted on the left side of the handlebar. The clutch is hydraulically operated and self-adjusting. S01156-10 Hand brake lever Hand brake lever is located on the right side of the handlebar. The front brake is engaged using the hand brake lever. H01344-10 Throttle grip ...
CONTROLS Warning Danger of poisoning Fuel is poisonous and a health hazard. – Avoid skin, eye and clothing contact with fuel. – Immediately consult a doctor if you swallow fuel. – Do not inhale fuel vapors. – In case of skin contact, rinse the affected area with plenty of water. –...
CONTROLS Choke Choke is fitted on the left side of the carburetor. Activating the choke function frees a drill hole in the carburetor through which the engine can draw extra fuel. This results in a richer fuel-air mixture, which is needed for a cold start.
CONTROLS 6.12 Plug-in stand The fixture for plug-in stand is located on the frame on the left side of the vehicle. The plug-in stand is used to park the motorcycle. Info Remove the plug-in stand before riding. 0 0 1 402001-10 6.13 Service hour counter...
When using your motorcycle, remember that others may feel disturbed by excessive noise. – Make sure that the pre-delivery inspection work has been carried out by an authorized KTM workshop. You receive a delivery certificate and the service booklet at vehicle handover.
PREPARING FOR USE Info Pay special attention to the safety warnings and injury risks. Explain to your child the techniques of riding and falling, e.g. how shifting weight can influence handling characteristics. – Familiarize your child with the controls. – Adjust the basic position of the clutch lever.
Info See the KTM PowerParts fitting instructions. – Adjust the carburetor jetting and setting. Info M01072-01 Your authorized KTM workshop can recommend the right carburetor tuning. – Clean the chain. Chain cleaner ( p. 89) – Fit the steel sprocket.
Info See the KTM PowerParts fitting instructions. – Adjust the carburetor jetting and setting. Info M01073-01 Your authorized KTM workshop can recommend the right carburetor tuning. – Clean the chain. Chain cleaner ( p. 89) – Fit the steel sprocket.
Fit a rain cover on the air filter. Waterproofing device for air filter (59006021000) Info See the KTM PowerParts fitting instructions. – Adjust the carburetor jetting and the setting. Info M01073-01 Your authorized KTM workshop can recommend the right carburetor tuning.
RIDING INSTRUCTIONS Checks and maintenance work when preparing for use Info Before riding the vehicle, always check its condition and operating safety. The vehicle must be in perfect technical condition when used. – Check the gear oil level. ( p. 75) –...
Make it clear to your child that he or she must not change into a low gear at high engine speed. Info If you hear unusual noises while riding, stop immediately, switch off the engine, and contact an authorized KTM workshop. First gear is used for starting off and for steep inclines.
RIDING INSTRUCTIONS Stopping, parking Warning Risk of misappropriation 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. Warning Danger of burns Some vehicle components become very hot when the vehicle is operated. –...
RIDING INSTRUCTIONS Refueling Danger Fire hazard Fuel is highly flammable. The fuel in the fuel tank expands when warm and can escape if overfilled. – Do not refuel the vehicle in the vicinity of open flames or lit cigarettes. – Switch off the engine for refueling. –...
○ ● ● Final check: Check the vehicle for safe operation and take a test ride. ○ ● ● Make the service entry in the KTM Dealer.net and in the Service and Warranty Booklet. ○ One-time interval ● Periodic interval...
SERVICE SCHEDULE Recommended work Annually Every 40 operating hours Every 20 operating hours/after every race ● Change the front brake fluid. ● Change the rear brake fluid. ● Change the hydraulic clutch fluid. p. 52) ● Service the fork. ● Service the shock absorber.
The shock absorber is filled with highly compressed nitrogen. – Please follow the description provided. (Your authorized KTM workshop will be glad to help.) Info The low-speed setting can be seen during the slow to normal compression of the shock absorber.
Risk of injury Parts of the shock absorber will move around if the shock absorber is detached incorrectly. The shock absorber is filled with highly compressed nitrogen. – Please follow the description provided. (Your authorized KTM workshop will be glad to help.) Info The high-speed setting can be seen during the fast compression of the shock absorber.
TUNING THE CHASSIS 10.6 Measuring rear wheel sag unloaded Preparatory work – Raise the motorcycle with the lift stand. ( p. 32) Main work – Measure the distance – as vertically as possible – between the rear axle and a fixed point such as a mark on the side cover.
Risk of injury Parts of the shock absorber will move around if the shock absorber is detached incorrectly. The shock absorber is filled with highly compressed nitrogen. – Please follow the description provided. (Your authorized KTM workshop will be glad to help.) Preparatory work –...
TUNING THE CHASSIS – Check the static sag of the shock absorber. ( p. 28) – Check the riding sag of the shock absorber. ( p. 28) – Adjust the rebound damping of the shock absorber. ( p. 27) 10.11 Checking the basic setting of the fork Info For various reasons, no exact riding sag can be determined for the forks.
TUNING THE CHASSIS Guideline Rebound damping Comfort 18 clicks Standard 15 clicks Sport 12 clicks Info Turn clockwise to increase damping; turn counterclockwise to reduce damp- ing. 10.14 Handlebar position On the upper triple clamp, there are two holes at a distance of ...
SERVICE WORK ON THE CHASSIS 11.1 Raising the motorcycle with the lift stand Note Danger of damage The parked vehicle can roll away or fall over. – Park the vehicle on a firm and level surface. – Raise the motorcycle at the frame underneath the engine. Lift stand (78929955100) Neither wheel is in contact with the ground.
SERVICE WORK ON THE CHASSIS 11.4 Cleaning the dust boots of the fork legs Preparatory work – Raise the motorcycle with the lift stand. ( p. 32) – Remove the fork protector. ( p. 34) Main work – Push dust boots of both fork legs downwards.
SERVICE WORK ON THE CHASSIS 11.6 Installing the fork legs Main work – Position the fork legs. Bleeder screws are positioned toward the front. Info The second milled groove (from the top) must be flush with the top edge of the upper triple clamp.
SERVICE WORK ON THE CHASSIS 11.8 Installing the fork protector – Position the fork protection on the right fork leg. Mount and tighten screws Guideline Remaining screws, chassis 10 Nm (7.4 lbf ft) S01160-11 – Position the fork protection on the left fork leg. Mount and tighten screws Guideline Remaining screws, chassis 10 Nm (7.4 lbf ft)
SERVICE WORK ON THE CHASSIS 11.10 Installing the lower triple clamp Main work – Clean the bearing and sealing elements, check for damage, and grease. High viscosity grease ( p. 89) – Insert the lower triple clamp with the steering stem. Mount the upper steering head bearing.
Danger of accidents Incorrect steering head bearing play impairs the handling characteristic and damages components. – Correct incorrect steering head bearing play immediately. (Your authorized KTM workshop will be glad to help.) Info If the bike is ridden with play in the steering head bearing, the bearing and the bearing seats in the frame can become dam-...
SERVICE WORK ON THE CHASSIS Preparatory work – Raise the motorcycle with the lift stand. ( p. 32) Main work – Move the handlebar to the straight-ahead position. Move the fork legs to and fro in the direction of travel. No play should be noticeable in the steering head bearing.
SERVICE WORK ON THE CHASSIS 11.14 Removing the start number plate – Remove screw . Take off the clamp. – Remove screw . Take off the start number plate. H01365-10 11.15 Installing the start number plate – Position the start number plate. Mount and tighten screw ...
SERVICE WORK ON THE CHASSIS 11.19 Installing the shock absorber Main work – Push splash protector to the side and position the shock absorber. Mount and tighten screw Guideline Screw, top shock absorber 60 Nm Loctite ® 2701™ (44.3 lbf ft) –...
SERVICE WORK ON THE CHASSIS 11.22 Removing the air filter box cover – Pull off the air filter box cover in area sideways and remove it toward the front. H01370-10 11.23 Installing the air filter box cover – Insert the air filter box cover into rear area ...
SERVICE WORK ON THE CHASSIS Preparatory work – Remove the air filter box cover. ( p. 41) – Remove the air filter. p. 41) Main work – Wash the air filter thoroughly in special cleaning liquid and allow it to dry properly. Air filter cleaner ( p.
SERVICE WORK ON THE CHASSIS 11.28 Removing the main silencer Warning Danger of burns The exhaust system gets very hot when the vehicle is driven. – Allow the exhaust system to cool down before performing any work on the vehicle. – ...
SERVICE WORK ON THE CHASSIS Main work – Remove screws . Take off silencer cap with O-ring and outer tube – Pull glass fiber yarn filling from the inner tube. – Clean the parts that are to be reinstalled. –...
SERVICE WORK ON THE CHASSIS – Remove screws – Remove the fuel tank from above. H01375-10 11.32 Installing the fuel tank Danger Fire hazard Fuel is highly flammable. The fuel in the fuel tank expands when warm and can escape if overfilled. –...
SERVICE WORK ON THE CHASSIS 11.33 Checking for chain dirt accumulation – Check the chain for coarse dirt accumulation. » If the chain is very dirty: – Clean the chain. ( p. 46) 400678-01 11.34 Cleaning the chain Warning Danger of accidents Oil or grease on the tires reduces the road grip. –...
SERVICE WORK ON THE CHASSIS Main work – Pull the chain at the end of the chain sliding piece upward to measure chain ten- sion Info Lower chain section must be taut. Chain wear is not always even, so you should repeat this measurement at different chain positions.
SERVICE WORK ON THE CHASSIS 11.37 Checking the chain, rear sprocket, engine sprocket, and chain guide Preparatory work – Raise the motorcycle with the lift stand. ( p. 32) Main work – Shift gear to neutral. – Check the rear sprocket and engine sprocket for wear. »...
If the frame exhibits cracks or deformation due to a mechanical impact: – Change the frame. Info Always replace a frame that has been damaged due to a mechanical impact. Repair of the frame is not authorized by KTM. 401542-01...
If the swingarm shows signs of damage, cracking, or deformation: – Change the swingarm. Info Always change a damaged swingarm. Repair of the swingarm is not authorized by KTM. 402152-01 11.40 Checking the routing of the throttle cable Warning Danger of accidents The throttle cable may slip out of the guide if routed incorrectly.
SERVICE WORK ON THE CHASSIS 11.42 Additionally securing the rubber grip Preparatory work – Check the rubber grip. ( p. 50) Main work – Secure the rubber grip at two points using the securing wire. Securing wire (54812016000) Wire twister forceps (U6907854) The twisted wire ends face away from the hands and are bent toward the rub- ber grip.
SERVICE WORK ON THE CHASSIS Info The fluid level rises with increasing wear of the clutch facing discs. Never use DOT 5 brake fluid. It is silicone-based and purple in color. Oil seals and clutch lines are not designed for DOT 5 brake fluid.
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SERVICE WORK ON THE CHASSIS – Fill bleeding syringe with the appropriate hydraulic fluid. Bleed syringe (50329050000) Brake fluid DOT 4 / DOT 5.1 ( p. 87) – On the clutch slave cylinder, remove bleeder screw and mount bleeding ...
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 thickness of the front and rear brake discs at several places on the disk ...
If the brake fluid level drops below the specified marking or the specified value, the brake system is leaking or the brake lin- ings are worn down. – 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 Old brake fluid reduces the braking effect.
Changing the front brake linings Warning Danger of accidents Incorrect maintenance will cause the brake system to fail. – Ensure that service work and repairs are performed professionally. (Your authorized KTM workshop will be glad to help.) Warning Skin irritation Brake fluid causes skin irritation. –...
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Danger of accidents Brake linings which have not been approved alter the braking efficiency. Not all brake linings are tested and approved for KTM motorcycles. The structure and friction coefficient of the brake linings, and thus their brake power, may vary greatly from that of original brake linings.
BRAKE SYSTEM – Position the brake caliper. – Mount screws with the spacers but do not tighten yet. – Tighten pin Guideline Pin, front brake 8 Nm (5.9 lbf ft) – Mount cotter pins – Operate the hand brake lever repeatedly until the brake linings are in contact with the brake disc and there is a pressure point.
If the brake fluid level drops below the specified marking or the specified value, the brake system is leaking or the brake lin- ings are worn down. – 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 Old brake fluid reduces the braking effect.
If the brake fluid level drops below the specified marking or the specified value, the brake system is leaking or the brake lin- ings are worn down. – Check the brake system and do not continue riding until the problem is eliminated. (Your authorized KTM workshop will be glad to help.) Warning Skin irritation Brake fluid causes skin irritation.
Danger of accidents Brake linings which have not been approved alter the braking efficiency. Not all brake linings are tested and approved for KTM motorcycles. The structure and friction coefficient of the brake linings, and thus their brake power, may vary greatly from that of original brake linings.
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BRAKE SYSTEM Info Never use DOT 5 brake fluid. It is silicone-based and purple in color. Oil seals and brake lines are not designed for DOT 5 brake fluid. Avoid contact between brake fluid and painted parts. Brake fluid attacks paint. Only use clean brake fluid from a sealed container.
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BRAKE SYSTEM – Add brake fluid to level Brake fluid DOT 4 / DOT 5.1 ( p. 87) – Mount the cover with the washer and membrane – Mount and tighten screws Info Clean up overflowed or spilled brake fluid immediately with water. H01391-10...
WHEELS, TIRES 13.1 Removing the front wheel Preparatory work – Raise the motorcycle with the lift stand. ( p. 32) Main work – Loosen screw by several rotations. – Loosen screws – Press on screw to push the wheel spindle out of the axle clamp. –...
WHEELS, TIRES – Operate the hand brake lever several times until the brake linings are seated cor- rectly against the brake disc. – Remove the motorcycle from the lift stand. ( p. 32) – Operate the front brake and compress the fork a few times firmly. The fork legs straighten.
Checking the tire condition Info Only mount tires approved and/or recommended by KTM. Other tires could have a negative effect on handling characteristics. The type, condition, and air pressure of the tires all have a major impact on the handling of the motorcycle.
Other spokes will become looser as a result. – Check spoke tension regularly, and in particular on a new vehicle. (Your authorized KTM workshop will be glad to help.) – Strike each spoke briefly using a screwdriver blade.
COOLING SYSTEM 14.1 Cooling system Water pump in the engine circulates the coolant. The pressure resulting from the warming of the cooling system is regulated by a valve in radiator cap . This ensures that operating the vehicle at the specified coolant temperature will not result in a risk of malfunctions.
COOLING SYSTEM 14.3 Checking the coolant level Warning Danger of scalding During motorcycle operation, the coolant gets very hot and is under pressure. – Do not open the radiator, the radiator hoses or other cooling system components if the engine or the cooling system are at operating temperature.
COOLING SYSTEM – Position the motorcycle upright. – Place a suitable container under the water pump cover. – Remove screw . Take off radiator cap – Completely drain the coolant. – Mount and tighten screw with a new seal ring. Guideline Screw, water pump cover 10 Nm (7.4 lbf ft)
TUNING THE ENGINE 15.1 Checking the play in the throttle cable – Check the throttle grip for smooth operation. – Move the handlebar to the straight-ahead position. Move the throttle grip back- wards and forwards to ascertain play in the throttle cable. Throttle cable play 2…...
TUNING THE ENGINE 15.3 Carburetor - idle The idle setting of the carburetor has a big influence on the starting behavior, stable idling and the response to throttle opening. This means that an engine with a correctly set idle speed is easier to start than if the idle is set wrongly. Info The carburetor and its components are subject to increased wear caused by engine vibration.
TUNING THE ENGINE Guideline Choke function deactivated – The choke lever is pushed in to the stop. ( p. 13) Idle speed 1,400… 1,500 rpm – Turn idle air adjusting screw slowly in a clockwise direction until the idle speed begins to fall.
TUNING THE ENGINE Main work – Place a cloth beneath the carburetor to soak up emerging fuel. – Remove plug – Completely drain the fuel. – Mount and tighten screw plug S01148-10 15.6 Checking the basic position of the shift lever Info When driving, the shift lever must not touch the driver's boot when in the basic position.
SERVICE WORK ON THE ENGINE 16.1 Checking the gear oil level Info The gear oil level must be checked when the engine is cold. Preparatory work – Stand the motorcycle upright on a horizontal surface. Main work – Remove screw –...
SERVICE WORK ON THE ENGINE – Start the engine and check that it is oil-tight. Finishing work – Check the gear oil level. ( p. 75) 16.3 Adding gear oil Info Too little gear oil or poor-quality gear oil results in premature wear to the transmission. Preparatory work –...
CLEANING, CARE 17.1 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. –...
73) – Store the vehicle in a dry location that is not subject to large fluctuations in tem- perature. Info KTM recommends raising the motorcycle. – Raise the motorcycle with the lift stand. ( p. 32) – Cover the vehicle with a tarp or similar cover that is permeable to air.
TROUBLESHOOTING Faults Possible cause Action – Engine turns but does not start Operating error Carry out the start procedure. ( p. 20) – Motorcycle was out of use for a long Empty the carburetor float chamber. time and there is old fuel in the float p.
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TROUBLESHOOTING Faults Possible cause Action – Engine overheats Damaged cylinder head or cylinder Check the cylinder head and cylinder head gas- head gasket ket. – Bent radiator hose Change the radiator hose. – Incorrect ignition point due to loose Adjust the ignition. stator –...
TECHNICAL DATA 20.3.1 Carburetor tuning 401536-01 M/FT ASL Above sea level TEMP Temperature Idle air adjusting screw open (rotations) Idling jet Jet needle Needle position from above Main jet 1... 5 Needle position from above The five possible needle positions are shown here. 0 0 1 The carburetor tuning depends on the defined ambient and operating conditions.
TECHNICAL DATA 20.4 Capacities 20.4.1 Gear oil Gear oil 0.50 l (0.53 qt.) Engine oil (15W/50) ( p. 87) 20.4.2 Coolant Coolant 1.0 l (1.1 qt.) Coolant ( p. 87) 20.4.3 Fuel Fuel tank capacity, approx. 5.0 l (1.32 US gal) Super unleaded (98 octane) mixed with 2-stroke engine oil (1:40) ( p.
(85 SX 19/16) 70/100 - 19 M/C 42M TT 90/100 - 16 M/C 52M TT MAXXIS MAXX CROSS SI MAXXIS MAXX CROSS SI Additional information is available in the Service section under: http://www.ktm.com 20.7 Fork Fork part number 05.18.7M.05 Fork...
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 corre- sponding properties. Recommended supplier Castrol – RESPONSE BRAKE FLUID SUPER DOT 4 Motorex ®...
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SUBSTANCES Shock absorber fluid (SAE 2.5) (50180751S1) Standard/classification – SAE ( p. 91) (SAE 2.5) Guideline – Use only oils that comply with the specified standards (see specifications on the container) and that exhibit the corresponding properties. Super unleaded (ROZ 98 / RON 98 / PON 94) Standard/classification –...
STANDARDS JASO T903 MA Different technical development directions required a new specification for 4-stroke motorcycles – the JASO T903 MA Standard. Ear- lier, engine oils from the automobile industry were used for 4-stroke motorcycles because there was no separate motorcycle specifi- cation.