TABLE OF CONTENTS 10.2 Air suspension AER 35........24 TABLE OF CONTENTS MEANS OF REPRESENTATION ........4 10.3 Compression damping of the shock absorber..24 Symbols used ........... 4 10.4 Adjusting the low-speed compression damping Formats used............ 4 of the shock absorber ........25 SAFETY ADVICE............
Page 5
TABLE OF CONTENTS 11.41 Checking the fluid level of the hydraulic 20.4.3 Fuel ............83 clutch ............50 20.5 Fork............... 83 11.42 Correcting the fluid level of the hydraulic 20.6 Shock absorber ..........83 clutch ............50 20.7 Chassis ............84 11.43 Changing the hydraulic clutch fluid ....
All work marked with this symbol requires specialist knowledge and technical understanding. In the interest of the safety of your child, have these jobs performed in an authorized KTM workshop. There, your motorcycle will be optimally cared for by specially trained experts using the specialist tools required.
SAFETY ADVICE Use definition – intended use This vehicle is designed and built to withstand the normal stresses and strains of competitive use. This vehicle complies with the cur- rently valid regulations and categories of the top international motorsport organizations. Info Only operate the vehicle in closed-off areas remote from public road traffic.
– When you ride a motorcycle, set an example for your child and wear suitable protective clothing. In the interest of your own safety, KTM recommends that you only operate the vehicle while wearing suitable protective clothing. Work rules Special tools are necessary for certain tasks. The tools are not contained in the vehicle but can be ordered under the number in paren- theses.
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) E00752-10 Hand brake lever ( p. 12) Valve for fork airpump Clutch lever ( p. 12) Quick release for seat lock Shift lever ( p. 14) Choke ( p. 13) Fuel tap ( p.
VIEW OF VEHICLE View of vehicle, rear right (example) E00753-10 Filler cap Kill switch ( p. 12) Fork rebound adjustment Throttle grip ( p. 12) Chassis number ( p. 11) Kick starter ( p. 14) Foot brake lever ( p. 14) Shock absorber compression adjustment Level viewer for brake fluid, rear Shock absorber rebound adjustment...
SERIAL NUMBERS Chassis number The chassis number is stamped on the right side of the steering head. 401945-10 Engine number The engine number is located on the left side of the engine under the engine sprocket. 401949-10 Shock absorber article number The shock absorber article number is stamped on the top of the shock absorber above the adjusting ring towards the left-hand side.
CONTROLS Clutch lever The clutch lever is fitted on the left side of the handlebar. The clutch is hydraulically operated and self-adjusting. 602653-10 Hand brake lever Hand brake lever is fitted on the right side of the handlebar. The hand brake lever is used to activate the front brake. K00204-10 Throttle grip 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 Shift lever Shift lever is mounted on the left of the engine. 401950-10 The gear positions can be seen in the figure. The neutral or idle position is between the first and second gear. 401950-11 6.10 Kick starter Kick starter is fitted on the right side of the engine.
CONTROLS 6.13 Service hour counter The service hour counter is fitted on the right side of the frame. It shows the total number of service hours of the engine. The service hour counter begins counting when the engine is started and stops when the engine is switched off.
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 and Warranty 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 clutch lever.
RIDING INSTRUCTIONS Checks and maintenance measures when preparing for use Info Before every trip, check the condition of the vehicle and ensure that it is safe to operate. The vehicle must be in perfect technical condition when it is being operated. –...
Make it clear to your child that he or she must not change into a low gear at high engine speed. Info If unusual noises occur 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 – Insist that your child take advantage of the braking action of the engine when riding on long downhills. To do so, shift back one or two gears, but do not overrev the engine. Your child will need to apply the brakes far less often and the brake system will not overheat.
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. –...
● ● Check idle. ○ ● ● ● 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.
SERVICE SCHEDULE ○ One-time interval ● Periodic interval Recommended work Annually Every 80 operating hours Every 40 operating hours Once after 20 operating hours / Every 20 operating hours Once after 10 operating hours ● Change the front brake fluid. ●...
For optimal motorcycle riding characteristics and to avoid damage to forks, shock absorbers, swingarm and frame, the basic settings of the suspension components must match the rider's weight. – As delivered, KTM offroad motorcycles are adjusted for an average rider's weight (with full protective clothing). Guideline Standard rider weight 35…...
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 effect of the low-speed setting can be seen in slow to normal compression of the shock absorber.
Risk of injury Parts of the shock absorber will fly off if the shock absorber is disassembled incorrectly. The shock absorber is filled with highly compressed nitrogen. – Please follow the description provided. (Your authorized KTM workshop will be glad to help.) – Turn adjusting screw clockwise up to the last perceptible click.
Risk of injury Parts of the shock absorber will fly off if the shock absorber is disassembled 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 10.11 Adjusting the riding sag Preparatory work – Raise the motorcycle with a lift stand. ( p. 31) – Remove shock absorber. p. 39) – After removing the shock absorber, clean it thoroughly. Main work – Choose and mount a suitable spring. Guideline Spring rate Weight of rider: 35 kg (77 lb.)
A little air escapes from the fork leg when connecting. Info This is due to the volume of the hose and not due to a defect in the fork pump or the fork. Read the accompanying KTM PowerParts instructions. – Adjust the air pressure as specified. Guideline...
TUNING THE CHASSIS 10.15 Handlebar position On the upper triple clamp, there are 2 holes at a distance of to each other. 15 mm (0.59 in) Hole distance The holes on the handlebar support are placed at a distance of from the center.
SERVICE WORK ON THE CHASSIS 11.1 Raising the motorcycle with a 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 a lift stand. ( p. 31) – Remove the fork protector. ( p. 32) Main work – Push dust boots of both fork legs downward.
SERVICE WORK ON THE CHASSIS – Position the fork protector on the left fork leg. Mount and tighten screws Guideline Remaining screws, chassis 10 Nm (7.4 lbf ft) – Position the brake line and clamp. Mount and tighten screws V00200-11 11.7 Removing the fork legs Preparatory work...
SERVICE WORK ON THE CHASSIS – Position the brake caliper, and mount and tighten screws Guideline Screw, front brake caliper 20 Nm Loctite ® 243™ (14.8 lbf ft) – Position the brake line and clamp. Mount and tighten screws V00227-11 Finishing work –...
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. 88) – Insert the lower triple clamp with the steering stem. Mount 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- aged over time.
SERVICE WORK ON THE CHASSIS – Move the handlebar to and fro over the entire steering range. The handlebar must be able to move easily over the entire steering range. No resting locations should be noticeable. » If click positions are noticeable: –...
SERVICE WORK ON THE CHASSIS 11.15 Installing the start number plate – Attach the start number plate to the brake line. – Position the start number plate. Holding lugs engage in the fender. V00204-10 – Mount and tighten screw Guideline Start number plate screw 4 Nm (3 lbf ft) V00205-10...
SERVICE WORK ON THE CHASSIS 11.18 Removing the shock absorber Preparatory work – Raise the motorcycle with a lift stand. ( p. 31) Main work – Remove screw and lower the rear wheel with the swingarm as far as possible without blocking the rear wheel.
SERVICE WORK ON THE CHASSIS – Close quick release H00122-11 11.22 Removing the air filter Note Engine damage Unfiltered intake air has a negative effect on the service life of the engine. Dust and dirt will enter the engine without an air filter. –...
SERVICE WORK ON THE CHASSIS 11.24 Cleaning the air filter and air filter box Warning Environmental hazard Hazardous substances cause environmental damage. – Dispose of oils, grease, filters, fuel, cleaning agents, brake fluid, etc., correctly and in compliance with the applicable regu- lations.
SERVICE WORK ON THE CHASSIS – Mount and tighten screw Guideline Remaining screws, chassis 10 Nm (7.4 lbf ft) V00210-11 11.27 Changing the glass fiber yarn filling of the main silencer Warning Danger of burns The exhaust system gets very hot when the vehicle is driven. –...
SERVICE WORK ON THE CHASSIS 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.
SERVICE WORK ON THE CHASSIS 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.
SERVICE WORK ON THE CHASSIS 11.31 Cleaning the chain Warning Danger of accidents Oil or grease on the tires reduces the road grip. – Remove the lubricant from the tires using a suitable cleaning agent. Warning Danger of accidents Oil or grease on the brake discs reduces the braking effect. –...
SERVICE WORK ON THE CHASSIS » If the chain tension does not meet the specification: – Adjust the chain tension. ( p. 46) Finishing work – Remove the motorcycle from the lift stand. ( p. 31) 11.33 Adjusting the chain tension Warning Danger of accidents Incorrect chain tension damages components and results in accidents.
Page 49
SERVICE WORK ON THE CHASSIS Info When a new chain is mounted, the rear sprocket and engine sprocket should also be changed. New chains wear out faster on old, worn sprockets. – Check the engine sprocket cover for wear. » If the engine sprocket cover is worn through in the marked area –...
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. 601599-01 11.36 Checking the swingarm –...
SERVICE WORK ON THE CHASSIS Main work – Check the throttle cable routing. The throttle cable must be routed behind the handlebar, behind the coolant hose and left on the frame. » If the throttle cable is not routed as specified: –...
SERVICE WORK ON THE CHASSIS 11.41 Checking the fluid level of the hydraulic clutch Info The fluid level rises with increasing wear of the clutch facing discs. – Move the clutch fluid reservoir mounted on the handlebar to a horizontal position. –...
SERVICE WORK ON THE CHASSIS 11.43 Changing the hydraulic clutch fluid Warning Skin irritation Brake fluid causes skin irritation. – Keep brake fluid out of the reach of children. – Wear suitable protective clothing and safety glasses. – Do not allow brake fluid to come into contact with the skin, the eyes or clothing. –...
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 multiple points on each...
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.
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.
Page 58
BRAKE SYSTEM – Move the brake fluid reservoir mounted on the handlebar to a horizontal position. – Remove screws – Remove cover with membrane V00238-10 – Remove screws – Press back the brake linings with a light lateral tilting of the brake caliper on the brake disc.
BRAKE SYSTEM – Correct the brake fluid level. Guideline Brake fluid level under top level of con- 5 mm (0.2 in) tainer Brake fluid DOT 4 / DOT 5.1 ( p. 86) – Position cover with membrane – Mount and tighten screws V00238-10 Info Clean up overflowed or spilled brake fluid immediately with water.
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 ensure that nobody drives the vehicle before 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 ensure that nobody drives the vehicle before the problem is eliminated. (Your authorized KTM workshop will be glad to help.) Warning Skin irritation Brake fluid causes skin irritation.
KTM workshop will be glad to help.) 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 Environmental hazard Hazardous substances cause environmental damage. –...
Page 63
Danger of accidents Brake linings which have not been approved alter the braking efficiency. H00144-01 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.
Page 64
BRAKE SYSTEM – Mount and tighten screw Guideline Screw, rear brake lining 10 Nm (7.4 lbf ft) – Mount lock washer – Check the brake discs. ( p. 52) – Operate the foot brake lever repeatedly until the brake linings are in contact with the brake disc and there is a pressure point.
WHEELS, TIRES 13.1 Removing the front wheel Preparatory work – Raise the motorcycle with a lift stand. ( p. 31) Main work – Remove screw V00219-10 – Loosen screws Warning Danger of accidents Damaged brake discs reduce the braking effect. – Always lay the wheel down in such a way that the brake disc is not dam- aged.
WHEELS, TIRES – Remove spacers H00936-10 13.4 Installing the rear wheel Warning Danger of accidents Oil or grease on the brake discs reduces the braking effect. – Always keep the brake discs free of oil and grease. – Clean the brake discs with brake cleaner when necessary. Main work –...
The spokes break due to being overloaded if they are too tightly tensioned. If the tension in the spokes is too low, then lateral and radial run-out will form in the wheel. 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.)
Page 69
WHEELS, TIRES – Strike each spoke briefly using a screwdriver blade. Info The frequency of the sound depends on the spoke length and spoke diame- ter. If you hear different tone frequencies from different spokes of equal length and diameter, this is an indication of different spoke tensions. You should hear a high note.
COOLING SYSTEM 14.1 Cooling system The water pump in the engine forces the coolant to flow. The pressure resulting from the warming of the cooling system is regulated by a valve in the 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 . Remove the radiator cap. – Completely drain the coolant. – Mount and tighten screw with a new seal ring. Guideline Drain plug, water pump cover 6 Nm (4.4 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. Play in gas throttle cable 3…...
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. That 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 15.5 Emptying the carburetor float chamber 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. –...
SERVICE WORK ON THE ENGINE 16.1 Checking the gear oil level Condition The engine is cold. Preparatory work – Stand the motorcycle upright on a horizontal surface. Main work – Remove screw – Check the gear oil level. A small quantity of gear oil must run out of the drilled hole. »...
SERVICE WORK ON THE ENGINE Danger Danger of poisoning Exhaust gases are toxic and inhaling them may result in unconsciousness and death. – Always make sure there is sufficient ventilation when running the engine. – Use an effective exhaust extraction system when starting or running the engine in an enclosed space.
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. –...
66) – Store the vehicle in a dry location that is not subject to large fluctuations in tem- perature. Info KTM recommends jacking up the motorcycle. – Raise the motorcycle with a lift stand. ( p. 31) – 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 Go through the steps of starting the engine. p. 18) – Motorcycle was out of use for a long Empty the carburetor float chamber. time and there is old fuel in the float p.
Page 81
TROUBLESHOOTING Faults Possible cause Action – Engine overheats Radiator fins very dirty Clean radiator fins. – Foam formation in cooling system Drain the coolant. p. 69) – Refill with coolant. p. 70) – Damaged cylinder head or cylinder Check the cylinder head or cylinder head gas- head gasket ket.
TECHNICAL DATA 20.3.1 Carburetor tuning 100810-01 M/FT ASL Above sea level TEMP Temperature Idle air adjusting screw open (rotations) Idling jet Jet needle Needle position from above Main jet 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. 86) 20.4.2 Coolant Coolant 0.55 l (0.58 qt.) Coolant ( p. 86) 20.4.3 Fuel Fuel tank capacity, approx. 3.5 l (3.7 qt.) Super unleaded (95 octane) mixed with 2-stroke engine oil (1:60) ( p.
Page 86
Rear tires 60/100 - 14 30M TT 80/100 - 12 41M TT MAXXIS MAXX CROSS SI MAXXIS MAXX CROSS SI The tires specified represent one of the possible series production tires. Additional information is available in the Service section under: http://www.ktm.com...
Page 88
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 – REACT PERFORMANCE DOT 4 Motorex ®...
Page 89
SUBSTANCES Fork oil (SAE 4) (48601166S1) Standard/classification – SAE ( p. 90) (SAE 4) Guideline – Use only oils that comply with the specified standards (see specifications on the container) and that exhibit the corresponding properties. Shock absorber fluid (SAE 2.5) (50180751S1) Standard/classification –...
Page 91
AUXILIARY SUBSTANCES Special cleaner for glossy and matte paint finishes, metal and plastic surfaces Recommended supplier Motorex ® – Quick Cleaner Universal oil spray Recommended supplier Motorex ® – Joker 440 Synthetic...
Page 92
STANDARDS JASO T903 MA Different technical development directions required a separate specification for 4-stroke motorcycles – the JASO T903 MA standard. Earlier, engine oils from the automobile industry were used for 4-stroke motorcycles because there was no separate motorcycle specifi- cation.
Need help?
Do you have a question about the 65 SX 2018 and is the answer not in the manual?
Questions and answers