........ 30 Electric starter button ............8 Installing the lower triple clamp ......... 30 Fuel tap (450 SX-F, 505 SX-F) ........9 Greasing the steering head bearing ......31 Fuel tap (450 XC-F, 505 XC-F) ......... 9 Dismounting the front fender .......... 31 Opening filler cap ............
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CONTENTS SUBSTANCES..............82 Removing the battery ..........50 AUXILIARY SUBSTANCES..........84 Installing the battery ..........50 INDEX ................86 Recharging the battery ..........51 Removing a fuse............52 Replacing the fuse............52 Ignition curve..............52 Ignition curve plug connection ........52 Changing ignition curve..........
All work marked with this symbol requires specialist knowledge and technical understanding. In the interest of your own safety, have these jobs done in an authorized KTM workshop! There, your motorcycle will be serviced optimally by specially trained experts using the specialist tools required.
You should use the fuels, oils and greases according to specifications as listed in the owner's manual. Spare parts, accessories For your own safety, use only spare parts and accessories approved by KTM. KTM accepts no liability for other products and any resulting damage or loss.
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IMPORTANT NOTES Grades of risks Danger Danger that leads immediately and certainly to severe and permanent injury or death. Warning Danger that will probably lead to severe and permanent injury or death. Note Danger of serious damage to machine or material. Warning Risk of environmental damage.
LOCATION OF SERIAL NUMBERS 3 L OCATION OF SERIAL NUMBERS Chassis number The chassis number is stamped on the right side of the steering head tube. 400193-10 Type label The type label is fixed to the front of the steering head. 400284-10 Engine number The engine number...
OPERATING ELEMENTS 4 O PERATING ELEMENTS Clutch lever The clutch lever is fitted on the left side of the handlebar. The clutch is hydraulically operated and self-adjusting. 400195-10 Hot start lever The hot start lever is fitted on the left of the handlebar. If you pull the hot start lever to the handlebar during the start procedure, a hole is opened in the carburetor to allow the engine to draw in extra air.
OPERATING ELEMENTS Fuel tap (450 SX-F, 505 SX-F) With the tap handle on the fuel tap, you can open or close the supply of fuel to the carburetor. Possible states – Fuel supply closed (OFF) – Fuel supply open (ON)
4.11 The shift lever is mounted on the left side of the engine. 400204-12 (450 SX-F, 505 SX-F) The gear positions can be seen in the photograph. The neutral or idle position is between the first and second gears. 400204-10 (450 XC-F, 505 XC-F) The gear positions can be seen in the photograph.
The foot brake pedal is located in front of the right footrest and operates the rear wheel brake. 400205-10 Plug-in stand (450 SX-F, 505 SX-F) 4.13 Note Danger of damage Danger of damage by the motorcycle running away or falling over.
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 record at vehicle handover.
TIPS AND HINTS ON PUTTING INTO OPERATION – If you carry any baggage, make sure it is fixed firmly as close as possible to the center of the vehicle and ensure even weight distribution between the front and rear wheels. Info Motorcycles react sensitively to any changes of weight distribution.
Turn the handle of the fuel tap to the ON position. (Figure 400201-10 Fuel can flow from the tank to the carburetor. (450 SX-F, 505 SX-F) – Turn the handle of the fuel tap to the ON position. (Figure 400200-10 Fuel can flow from the tank to the carburetor.
Do not change into a low gear at high engine speed. The engine races and the rear wheel can block. 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 or for steep inclines.
Fill the fuel tank with fuel up to measurement Rules Measurement of 35 mm (1.38 in) Tank capacity 8.2 l (2.17 US Super unleaded ( gal) (450 SX-F, 505 SX-F) 9.2 l (2.43 US Super unleaded ( gal) (450 XC-F, 400214-10 505 XC-F) –...
GREASING AND SERVICE TABLE 7 G REASING AND SERVICE TABLE Important maintenance work to be carried out by an authorized KTM workshop. After 3 service Every 10 Every 30 hours / 20 liters service hours / service hours / of fuel...
GREASING AND SERVICE TABLE Important maintenance work to be carried out by an authorized KTM workshop. (as additional order) Every 10 Every 20 Every 40 annually every 2 service hours service service years / 70 liters of hours / 140...
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GREASING AND SERVICE TABLE Conditions: For use on offroad terrain according to requirements Check rear sprocket / engine sprocket for wear. ( • Clean the air filter. ( • Checking the tire air pressure. ( • Check the tire condition. ( •...
For optimal motorcycle riding characteristics and to avoid damage to forks, shock absorbers, swing arm and frame, the basic settings of the suspension components must match your body weight. As delivered, KTM offroad motorcycles are adjusted for a standard rider weight (with full protective clothing). Standard rider weight 75…85 kg (165.34…187.39 lb.)
MAINTENANCE WORK ON CHASSIS AND ENGINE – Turn back counterclockwise the number of turns corresponding to the shock absorber type. Rules Compression damping, high-speed (450 SX-F, 505 SX-F) Comfort 1 turn Standard 1 turn Sport 3/4 turn Compression damping, high-speed (450 XC-F, 505 XC-F)
Info Do not loosen nut – Turn back counterclockwise the number of clicks corresponding to the shock absorber type. Rules Rebound damping (450 SX-F, 505 SX-F) Comfort 25 clicks 400210-10 Standard 23 clicks Sport 22 clicks...
Make a note of the value as measurement Info The riding sag is the difference between measurements – Check the riding sag. Riding sag (450 SX-F, 505 SX-F) 107 mm (4.21 in) Riding sag (450 XC-F, 505 XC-F) 110 mm (4.33 in) >...
MAINTENANCE WORK ON CHASSIS AND ENGINE Adjusting riding sag 8.12 – Remove shock absorber. ( – After removing the shock absorber, clean it thoroughly. – Choose and fit a suitable spring. Rules Spring rate Weight of rider: 65…75 kg (143.3…165.34 lb.) 66 N/mm (376.87 lb/in) Weight of rider: 75…85 kg (165.34…187.39 lb.) 69 N/mm (394 lb/in)
Make the same adjustment on both fork legs. – Turn back counterclockwise the number of clicks corresponding to the fork type. Rules Compression damping (450 SX-F, 505 SX-F) Comfort 16 clicks 400206-10 Standard...
MAINTENANCE WORK ON CHASSIS AND ENGINE – Turn back counterclockwise the number of clicks corresponding to the fork type. Rules Rebound damping (450 SX-F, 505 SX-F) Comfort 22 clicks Standard 21 clicks Sport 21 clicks Rebound damping (450 XC-F, 505 XC-F)
Danger of accidents Unsafe riding behavior due to incorrect steering head bearing play. – The steering head bearing play should be adjusted immediately in an authorized KTM workshop. Info If the bike is driven for a longer time with play in the steering head bearing, the bearing and the bearing seats in the frame can be damaged after time.
MAINTENANCE WORK ON CHASSIS AND ENGINE Fork offset 8.24 You can see the currently set offset if you remove screw 0 0 B The fork offset has an impact on the handling of the vehicle. It is calculated from the center of the fork leg to the center of the steering head bearing.
MAINTENANCE WORK ON CHASSIS AND ENGINE Installing the fork legs 8.27 – Check parts for damage and wear. Replace damaged or worn parts. – Position the fork legs. Info The topmost sunk nut in the fork leg must be flush to the upper edge of the upper triple clamp.
MAINTENANCE WORK ON CHASSIS AND ENGINE Removing the lower triple clamp 8.30 – Remove the fork legs. ( – Dismount the start number plate ( – Dismount the front fender ( – Remove screws and hang the CDI control unit to the side. Info Do not unplug the CDI control unit.
MAINTENANCE WORK ON CHASSIS AND ENGINE – Mount and tighten screw Rules Screw, top steer- 17 Nm Loctite ® 243™ ( ing stem (12.54 lbf ft) – Check the cable harness, cable, brake and clutch line for free movement and free laying –...
MAINTENANCE WORK ON CHASSIS AND ENGINE Fitting the start number plate 8.36 – Check parts for damage and wear. Replace damaged or worn parts. – Position the start number plate. Mount and tighten screw Rules Remaining screws, chas- 10 Nm (7.38 lbf ft) Info Take care with the contact of the holding lug at the fender.
MAINTENANCE WORK ON CHASSIS AND ENGINE Checking play in gas Bowden cable 8.40 – Move the handlebar to the straight-ahead position. Move the throttle grip backwards and forwards to ascertain the play in the gas Bowden cable. Rules Play in gas Bowden cable 3…5 mm (0.12…0.2 in) >...
MAINTENANCE WORK ON CHASSIS AND ENGINE Info The service life of the chain depends largely on its maintenance. – Clean the chain regularly and then treat with chain spray. Chain cleaner ( Offroad chain spray ( Checking the chain tension 8.44 Warning Danger of accidents Danger caused by incorrect chain tension.
MAINTENANCE WORK ON CHASSIS AND ENGINE Checking rear sprocket / engine sprocket for wear 8.46 – Check rear sprocket / engine sprocket for wear. > If the rear sprocket / engine sprocket are worn: – Replace rear sprocket / engine sprocket. Info When fitting the chain joint, always make sure that the closed side of the joint faces forward (riding direction).
MAINTENANCE WORK ON CHASSIS AND ENGINE – Loosen nut – Loosen nuts – Adjust the chain tension by turning the adjusting screws left and right. Rules Chain tension 8…10 mm (0.31…0.39 in) Turn the adjusting screws left and right so that the markings on the left and right chain adjusters are in the same position relative to the reference marks The rear wheel is then correctly aligned.
If the brake fluid level falls below the MIN mark, this indicates a leakage in the brake system or worn-out brake linings. Have the brake system checked in an authorized KTM workshop, and do not ride any further. The brake fluid reservoirs of the front and rear brakes are dimensioned so that they do not need topping up with brake fluid even if the brake linings are worn.
Danger of accidents Reduced braking due to old brake fluid. – Have the front and rear brake fluid replaced according to the service plan in an authorized KTM workshop. – Move the brake fluid reservoir mounted on the handlebar to a horizontal position.
If brake fluid gets into your eyes, rinse thoroughly with water and contact a doctor immediately. Warning Danger of accidents Reduced braking due to old brake fluid. – Have the front and rear brake fluid replaced according to the service plan in an authorized KTM workshop. Warning Environmental hazard Problem materials cause environmental damage. –...
If brake fluid gets into your eyes, rinse thoroughly with water and contact a doctor immediately. Warning Danger of accidents Reduced braking due to old brake fluid. – Have the front and rear brake fluid replaced according to the service plan in an authorized KTM workshop. Warning Environmental hazard Problem materials cause environmental damage. –...
KTM workshop, and do not ride any further. Warning Danger of accidents Reduced braking due to old brake fluid. – Have the front and rear brake fluid replaced according to the service plan in an authorized KTM workshop. – Stand the vehicle upright. –...
If brake fluid gets into your eyes, rinse thoroughly with water and contact a doctor immediately. Warning Danger of accidents Reduced braking due to old brake fluid. – Have the front and rear brake fluid replaced according to the service plan in an authorized KTM workshop. Warning Environmental hazard Problem materials cause environmental damage. –...
If brake fluid gets into your eyes, rinse thoroughly with water and contact a doctor immediately. Warning Danger of accidents Reduced braking due to old brake fluid. – Have the front and rear brake fluid replaced according to the service plan in an authorized KTM workshop. Warning Environmental hazard Problem materials cause environmental damage. –...
MAINTENANCE WORK ON CHASSIS AND ENGINE – Holding the front wheel, withdraw the wheel spindle. Take the front wheel out of the fork. Info Do not pull the hand brake lever when the front wheel is removed. Always lay the wheel down in such a way that the brake disc is not damaged. 500085-10 –...
MAINTENANCE WORK ON CHASSIS AND ENGINE Removing rear wheel 8.74 – Jack up the motorcycle. ( – Press the brake caliper by hand on to the brake disc in order to press back the brake piston. Info Make sure when pushing back the brake piston that you do not press the brake caliper against the spokes.
Tire condition checking 8.76 Info Fit only tires approved by KTM. Other tires could have a negative effect on riding behavior. The type, condition and air pressure of the tires all have an important impact on the riding behavior of the motorcycle.
Danger of accidents Unstable riding behavior due to loose spokes. – If you ride with loose spokes, the spokes can break. Have the spoke tension corrected in an authorized KTM workshop. Info A loose spoke can cause wheel imbalance, which leads to more loose spokes in a short time.
– Refit the fuse. Fuse (75011088010) Info 400273-10 If the new fuse burns out, contact an authorized KTM workshop. – Replace the protection cover. – Install the air filter box lid ( Ignition curve 8.84 Possible states –...
MAINTENANCE WORK ON CHASSIS AND ENGINE – Plug connection open 400278-10 Changing ignition curve 8.86 – Dismount the fuel tank. ( Changing the ignition curve from Performance to Soft. – Open plug connection . (Figure 400211-10 Soft - better handling ( Change the ignition curve from Performance to Soft.
MAINTENANCE WORK ON CHASSIS AND ENGINE Danger Fire hazard Fuel can easily catch fire. – Never fill up the motorcycle near open flames or burning cigerettes, and always switch off the engine first. Be careful that no fuel is spilt, especially on hot motorcycle components. Clean up spilt fuel immediately.
MAINTENANCE WORK ON CHASSIS AND ENGINE – Mount the fuel tank vent hose. – Fit and tighten screw with collar sleeve. Rules Remaining screws, chas- 10 Nm (7.38 lbf ft) 500066-11 – Fit and tighten screw with collar sleeve. Rules Remaining screws, chas- 10 Nm (7.38 lbf ft) –...
MAINTENANCE WORK ON CHASSIS AND ENGINE – Refit the radiator cap. Checking the coolant level 8.93 Warning Danger of scalding The coolant gets very hot when the motorcycle is driven and is under high pressure. – Do not open the radiator, radiator hoses or other cooling system components when the engine is hot. Allow the engine and cooling system to cool down.
MAINTENANCE WORK ON CHASSIS AND ENGINE Refilling coolant 8.95 Warning Danger of poisoning Coolants are poisonous and a health hazard. – Avoid contact between coolants and skin, eyes and clothing. If fuel gets into your eyes, rinse immediately with water and contact a doctor.
MAINTENANCE WORK ON CHASSIS AND ENGINE Removing glass fiber yarn filling from the main silencer 8.99 Warning Danger of burns The exhaust system gets very hot when the motocycle is driven. – Allow the exhaust system to cool down. Do not touch hot components. –...
MAINTENANCE WORK ON CHASSIS AND ENGINE Changing glass fiber yarn filling of main silencer 8.101 – Remove glass fiber yarn filling from main silencer. ( – Fit glass fiber yarn filling in main silencer. ( Dismounting the air filter box lid 8.102 –...
MAINTENANCE WORK ON CHASSIS AND ENGINE Installing the air filter 8.105 – Check parts for damage and wear. Replace damaged or worn parts. – Mount the clean air filter onto the air filter support. – Put in both parts together, position them and fix them with the air filter support Info If the air filter is not correctly mounted, dust and dirt can penetrate into the engine and can cause damage.
MAINTENANCE WORK ON CHASSIS AND ENGINE – Move the clutch fluid reservoir mounted on the handlebar to a horizontal position. – Remove screws – Remove the cover with membrane – Check the fluid level. Fluid level under top level of container.: 4 mm (0.16 in) >...
MAINTENANCE WORK ON CHASSIS AND ENGINE Carburetor - adjusting idle 8.111 – Screw in the idle adjusting screw until it stops and then to the prescribed basic setting. Rules Idle mixture adjusting screw Open 1.5 turns Adjustment tool for mixture control screw (77329034000) –...
MAINTENANCE WORK ON CHASSIS AND ENGINE Emptying the carburetor float chamber 8.112 Danger Fire hazard Fuel can easily catch fire. – Never fill up the motorcycle near open flames or burning cigerettes, and always switch off the engine first. Be careful that no fuel is spilt, especially on hot motorcycle components.
MAINTENANCE WORK ON CHASSIS AND ENGINE – Check the engine oil level. The engine oil reaches the bottom of the viewer > When the engine oil does not reach the bottom of the viewer: – Top up the engine oil. ( 400212-10 Changing engine oil and oil filter, cleaning oil screen 8.114...
MAINTENANCE WORK ON CHASSIS AND ENGINE – Loosen the plug with a few light hammer blows. – Remove plug with oil screen and O-rings. – Completely drain the remaining engine oil. – Thoroughly clean parts and sealing area. – Check parts for damage and wear. Replace damaged or worn parts. –...
MAINTENANCE WORK ON CHASSIS AND ENGINE Filling up with engine oil 8.119 Info Too little engine oil or poor-quality engine oil results in premature wear to the engine. – Remove the screw cap on the clutch cover and fill up with engine oil. Engine oil 1.35 l (1.43 qt.) Engine oil (...
Remove the fuse. ( – Replace the fuse. ( – Low external temperature Use the battery supplied in the acces- sory package. 450 SX-F, 505 SX-F 4Ah battery (YTX5L-BS) ( – Engine turns but does not start. Operating error Conduct check ( 14).
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TROUBLESHOOTING Faults Possible cause Measure – Engine has no idle. Ignition system defective Have ignition system checked. – Engine does not speed up. Carburetor running over because float Have carburetor checked. needle dirty or worn. – Loose carburetor jets Have carburetor checked. –...
CLEANING CLEANING Cleaning motorcycle 10.1 Note Material damage Damage and destruction of components by high-pressure cleaning equipment. – Never clean the motorcycle with high-pressure cleaning equipment or a strong water-jet. The excessive pressure can penetrate electrical components, socket connects, Bowden cables, and bearings, etc., and can damage or destroy these parts. Warning Environmental hazard Problem materials cause environmental damage.
Storage Storage Storage 11.1 Warning Danger of poisoning Fuel is poisonous and a health hazard. – Avoid contact between fuel and skin, eyes and clothing. Do not inhale fuel vapors. If fuel gets into your eyes, rinse immediately with water and contact a doctor. Wash affected skin areas immediately with soap and water. If fuel is swallowed, contact a doctor immediately.
TECHNICAL DATA - CARBURETOR TECHNICAL DATA - CARBURETOR Carburetor type KEIHIN FCR-MX 41 Carburetor identfication number (450 SX-F, 450 XC-F) 4125I Carburetor identfication number (505 SX-F, 505 XC-F) 4125J Needle position (450 SX-F, 450 XC-F) 4th position from top Needle position (505 SX-F, 505 XC-F)
Seat height unloaded 925 mm (36.42 in) Ground clearance unloaded 380 mm (14.96 in) Weight without fuel (450 SX-F, 505 SX-F) 104.6 kg (230.6 lb.) Weight without fuel (450 XC-F, 505 XC-F) 108.3 kg (238.76 lb.) Maximum permissible front axle load 145 kg (319.67 lb.)
21 clicks Rebound damping (450 XC-F, 505 XC-F) Standard 21 clicks Spring length with preload spacer(s) (450 SX-F, 505 SX-F) 492 mm (19.37 in) Spring length with preload spacer(s) (450 XC-F, 505 XC-F) 497 mm (19.57 in) Spring rate (450 SX-F, 505 SX-F) Weight of rider: 65…75 kg (143.3…165.34 lb.)
WIRING DIAGRAM WIRING DIAGRAM WIRING DIAGRAM 19.1 yellow-black blue-white brown yellow-black green blue blue yellow yellow black black red-white red-white white black-white grey-black grey brown black yellow black yellow red-white red-white black-white 400277-10...
DIN EN 228 (ROZ, RON 98 / PON 94) Brake fluid DOT 5.1 according to – Specification – Use only brake fluid that complies with the specified standards (see specifications on the container) and that possesses the corresponding properties. KTM recommends Motorex ® products. Supplier Motorex – Motorex ®...
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FORK OIL (SAE 5) according to – SAE (SAE 5) Specification – Use only oils that comply with the specified standards (see specifications on the container) and that possesses the corresponding properties. KTM recommends Motorex ® products. Supplier Motorex – Motorex ®...