KTM 250 SX-F, 250 XC-F, XCF-W, 250 EXC-F, EXC-F Owner's Manual
Ktm owner's manual motorcycle 250 sx-f 250 xc-f, xcf-w 250 exc-f, exc-f six days.
Summary of Contents
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Page 1
OWNER’S MANUAL 2008 250 SX-F 250 XC-F, XCF-W 250 EXC-F, EXC-F SIX DAYS 3211228en...
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Page 2: Introduction
KTM may stop manufactur- ing certain models without previous notice. KTM shall not be held liable for any deviations of availabil- ity and/or ability to deliver, illustrations, descriptions, printing and/or other errors. The illustrated models partly contain extra equipment, which is not applied to standard models.
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Page 3: Important Information
IMPORTANT INFORMATION INTENDED PURPOSE KTM sports motorcycles are designed and constructed to resist the usual wear and tear of normal use in competitions. The motorcycles comply with the regulations and categories currently in effect with the leading interna- tional motorcycle associations.
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Page 4
SPARE PARTS, ACCESSORIES For your own safety, use KTM-approved parts and accessories only. KTM is not liable for damage that arises in connection with the use of other products. TRANSPORT When transporting your motorcycle, secure it with elastic straps or other mechanical devices in an upright position.
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Page 5: Table Of Contents
Chain wear ........32 General information about KTM disc brakes ..33 Adjusting the free travel at the hand brake lever .
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Page 6: Serial Number Locations, Engine Number, Engine Type, Chassis Number, Operation Instruments, Clutch Lever
» SERIAL NUMBER LOCATIONS Chassis number The chassis number is stamped on the right side of the steering head tube. Enter this number in the field on page no 1. Engine number, engine type The engine number and the engine type are stamped into the left side of the engine below the engine sprocket.
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Page 7: Hand Brake Lever, Short Circuit Button, Combination Switch, Headlamp Switch, Flasher Switch
OPERATION INSTRUMENTS » Hand brake lever The hand brake lever [1] is mounted on the handlebars on the right and actuates the front wheel brake. The adjusting screw [A] can be used to change the basic position of the hand brake lever (see "Maintenance"). Short circuit button The short circuit button [2] turns off the engine.
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Page 8: Starter Button, Emergency Off Switch, Indicator Lamps, Electronic Speedometer
OPERATION INSTRUMENTS » Starter button Pushing the red starter button [1] will actuate the E-starter. Emergency OFF switch (EXC-F Australia) The red emergency-OFF switch [2] is arranged adjacent to the throttle grip. In this position, the E-starter is operational and the engine can be started.
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Page 9: Activating And Deactivating Display Modes
H displays the engine's service hours. The service hour counter starts to count as soon as you start the engine. The displayed figure cannot be changed. Service intervals are indicated in service hours for some KTM offroad motor- cycles, making the service hour counter a very practical function.
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Page 10
SPEED/LAP mode.Up to 10 lap times can be stored in this way. briefly press button Changes to the next display mode.If no lap time is stored or the motorcycle is driving, the LAP/LAP mode will be skipped. hold button 3 secs. Clears all LAP figures...
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Page 11
OPERATION INSTRUMENTS » SPEED / TR2 display mode (tripmaster 2) The tripmaster 2 is always active and counts to 999.9. Contrary to TR1, the displayed figure can be changed using the + and – buttons. This is a very use- ful function for trips taken according to a roadbook.
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Page 12: Setting The Clock, Overview Of The Electronic Speedometer Functions
OPERATION INSTRUMENTS OVERVIEW OF THE ELECTRONIC SPEEDOMETER FUNCTIONS display briefly press + button SPEED / H no function SPEED / CLK no function starts/stops LAP without SPEED / LAP clearing LAP figure LAP / LAP next figure SPEED / ODO no function SPEED / TR1 no function...
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Page 13: Filler Cap, Fuel Tap, Choke
OPERATION INSTRUMENTS » Filler cap To open the filler cap: Press the release button [1] and turn the tank cap in a counterclockwise direction. To close the filler cap: Put the tank cap back on and turn in a clockwise direc- tion until the release button snaps into place.
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Page 14: Shift Lever, Kickstarter, Foot Brake Pedal, Side Stand, Steering Lock
» OPERATION INSTRUMENTS Shift lever The shift lever is mounted on the left side of the engine. The position of the gears is shown in the illustration. Neutral, or the idle speed, is located between first and second gear. 2,3,4 (5,6) Kickstarter The kickstarter is mounted on the right side of the engine.
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Page 15: Compression Damping Of Fork, Rebound Damping Of Fork
OPERATION INSTRUMENTS » Compression damping of fork (SX-F, XC-F) Hydraulic compression damping determines the reaction when the fork is com- pressed. The degree of compression can be adjusted with adjusting screws at the top of the fork legs. Turn the adjusting screws [1] clockwise to increase damping, turn it counter- clockwise to reduce damping during compression.
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Page 16: Compression Damping Of Shock Absorber, Rebound Damping Of Shock Absorber
(Dual Compression Control). Low and high speed refers to the movement of the shock absorber during com- pression and not to the speed of the motorcycle. The low and high-speed technology overlaps.
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Page 17: Engine Characteristic, General Tips And Warnings For Starting The Motorcycle, Instructions For Initial Operation
Homologated models driven on public roads must be operated with a discon- nected socket connector, otherwise the type approval will be cancelled. – Wear suitable clothing when driving a motorcycle. Clever KTM – Do not drive after having consumed alcohol.
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Page 18: Driving Instructions, Check The Following Before Each Start
If the level of brake fluid falls below the minimum value, this indicates a leak in the braking system or completely worn out brake pads. Arrange for the braking system to be checked by a KTM specialist, as com- plete failure of the braking system can be avoided.
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Page 19: Starting When The Engine Is Cold, Starting When The Engine Is Warm, Starting Off, Shifting/riding
Pull the clutch lever. Put the engine into first gear, slowly release the clutch lever and open the throttle at the same time. Before you start off, check that the side stand has been swung up fully. If the stand drags on the ground, the motorcycle can go out of control.
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Page 20: Braking, Stopping And Parking, Fuel
E-starter allows you to start every model accept SX-F again at any time. Therefore, turn off the engine if you intend to run your motorcycle in idle or at a standstill for longer periods of time (more than 2 minutes).
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Page 21: Periodic Maintenance
Clean Sparkarrestor (XC-F USA) Service intervalls should never be exceeded by more than 2 hours or 15 liters of fuel. Maintenance work done by KTM authorised workshops is not a substitute for care and checks done by the rider. »...
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Page 22
Check tightness of screws, nuts and hose clamps regularly 250 SX-F/XC-F 2008 IMPORTANT INSPECTIONS OR MAINTENANCE WORK THAT MUST BE PERFORMED BY THE SPECIALIZED KTM WORKSHOP FOR COMPETITIVE RACING / FOR HOBBY-USE (SEPARATE ORDER FOR SPECIALIZED KTM WORKSHOP) A 100 liter fuel consumption is equivalent to approx. 15 operating hours...
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Page 23
Clean Sparkarrestor (XCF-W USA) Service intervalls should never be exceeded by more than 2 hours or 15 liters of fuel. Maintenance work done by KTM authorised workshops is not a substitute for care and checks done by the rider. »...
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Page 24
Check tightness of screws, nuts and hose clamps regularly 250 XCF-W/EXC-F 2008 IMPORTANT INSPECTIONS OR MAINTENANCE WORK THAT MUST BE PERFORMED BY THE SPECIALIZED KTM WORKSHOP FOR COMPETITIVE RACING / FOR HOBBY-USE (SEPARATE ORDER FOR SPECIALIZED KTM WORKSHOP) A 100 liter fuel consumption is equivalent to approx.
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Page 25: Maintenance Work On Chassis And Engine, Changing The Spring Preloading Of The Shock Absorber
OFF position - if the motorcycle should fall over, no fuel can leak from the carburetor or fuel tank – Only use special screws with an appropriate thread length supplied by KTM to fix the spoilers on the tank. Using other screws or longer screws can cause leaks in the tank through which fuel can flow out.
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Page 26: Basic Suspension Setup For The Weight Of The Driver, Checking The Shock Absorber And Spring
EXAMPLE: Motorcycle jacked up (dimension A) .....600 mm Motorcycle on ground, unloaded (dimension B) ... .– 565 mm Static sag .
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Page 27: Checking The Basic Setup Of The Telescopic Fork
The type number of the telescopic fork is embossed on the fork fists. If you are uncertain which spring to use, contact your KTM workshop. According to our experience, the damping rate of the compression stage can remain unchanged.
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Page 28: Breather Plug Front Fork, Cleaning The Dust Sleeves Of The Telescopic Fork
After every 5 hours of use for competitive racing, slacken the breather plugs [1] a few turns in order to relieve excess pressure from the inside of the fork. To do this, place the motorcycle on a stand with the front wheel lifted off the ground.
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Page 29
MAINTENANCE WORK ON CHASSIS AND ENGINE Changing the fork offset (caster) (SX-F, XC-F, XCF-W USA, EXC-F Six Days) * The fork offset [A] in these models (center fork legs - center steering head angle) can be set to either 18 or 20 mm. This allows you to optimize the han- dling to match the race course.
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Page 30: How To Change The Handlebar Position
Tighten all screws and nuts to the specified torques using a torque wrench. Screws or nuts that are not tightened enough can become loose and cause the motorcycle to go out of control while driving. Screws or nuts tightened too firmly can damage the thread and components.
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Page 31: Check Chain Tension, Correct Chain Tension
– If you don’t happen to have a torque wrench at hand, make sure you have the tightening torque corrected by a KTM dealer as soon as possible. A loose axle may lead to an unstable driving behavior of your motorcycle.
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Page 32: Adapting The Chain Guide To The Number Of Rear Sprocket Teeth
» MAINTENANCE WORK ON CHASSIS AND ENGINE Adapting the chain guide to the number of rear sprocket teeth 250 SX-F, EXC-F Six Days: NOTE: The position of the chain guide must be adjusted due to the large number of rear sprockets available. Up to 44 teeth, insert the retaining screw on the chain guide in the lower hole [A], from 45 teeth in the upper hole [B].
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Page 33: Chain Maintenance, Chain Wear
No lubrication is allowed to reach the rear tire or the brake disks, otherwise the road adherence and the rear wheel braking effects would be strongly reduced and the motorcycle could easily lose control. When mounting the chain masterlink clip, the closed side of the masterlink clip must point in running direction.
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Page 34: General Information About Ktm Disc Brakes
DOT 4 brake fluid. Do not, in any event, use DOT 5 brake fluid. It is based on silicone oil and is dyed purple. KTM motorcycle gaskets and brake hoses are not designed for DOT 5 brake fluid.
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Page 35: Adjusting The Free Travel At The Hand Brake Lever
If the brake fluid level drops below the minimum either the brake system has a leak or the brake pads are completely worn. In this case, consult an author- ized KTM dealer immediately. Refilling the front brake fluid reservoir * Loosen screws [2] and remove lid [3] and membrane [4].
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Page 36: Checking The Front Brake Pads, Replacing The Front Brake Pads
MAINTENANCE WORK ON CHASSIS AND ENGINE min. 1 mm 3-5mm Checking the front brake pads The brake pads can be inspected from below. The linings must be at least 1 mm (0.04 in) thick. At their most worn point brake pad linings should not be thinner than 1 mm, otherwise they could lead to brake failure.
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Page 37: Checking The Rear Brake Fluid Level, Refilling The Rear Brake Fluid Reservoir
If the brake fluid level drops below the minimum either the brake system has a leak or the brake pads are completely worn. In this case, consult an author- ized KTM dealer immediately. Refilling the rear brake fluid reservoir * Add brake fluid as soon as a bubble is visible in inspection glass [A].
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Page 38: Replacing The Rear Brake Pads, Dismounting And Mounting The Front Wheel
– If you don’t happen to have a torque wrench at hand, make sure you have the tightening torque corrected by a KTM dealer as soon as possible. A loose axle may lead to an unstable driving behavior of your motorcycle.
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Page 39: Dismounting And Mounting The Rear Wheel, Checking Spoke Tension
– If you don’t happen to have a torque wrench at hand, make sure you have the tightening torque corrected by a KTM dealer as soon as possible. A loose axle may lead to an unstable driving behavior of your motorcycle.
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Page 40: Tires, Air Pressure, Check/set Distance Of The Magnetic Sensor
– Tire pressure should be checked regularly on a “cold” tire. Proper pres- sure ensures optimum driving comfort and extends the life of your tires. – Do not mount tires which have not been approved by KTM. Other tires could have adverse effects on the way your motorcycle behaves.
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Page 41: Battery, Charging The Battery
Quick charging at a high amperage has an adverse effect on the service life. To charge the battery while mounted, always use the KTM battery charger (Item no. 584.29.074.000) to ensure that the electric system is not damaged by excess voltage.
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Page 42: Fuse, Replacing Headlight Lamp/parking Light Lamp
Replace a blown fuse only with an equivalent one. If a new fuse that has just been installed gets blown again, you are strongly advised to have it inspected by a KTM dealer. The fuse capacity is 10 Ampere. Under no circumstances is a stronger fuse allowed to be installed or a fuse allowed to be “repaired”.
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Page 43: Cooling System, Checking The Coolant Level, Bleeding The Cooling System
Air blowing in through the radiators cools the coolant. The slower the speed of the motorcycle, the less the coolant is cooled down. Dirty radiators also reduce the cooling efficiency. Pressure induced by heating of the coolant in the system is controlled by a valve in the radiator cap [2];...
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Page 44: Replacing The Glassfiber Yarn Packing Of The Silencer, Cleaning The Spark Arrester
Then, drill open the rivets and remove the end cap [4]. NOTE: In every exhaust repair procedure, the O-rings [5] must be replaced by new ones. Glass fiber yarn packings are available from your licensed KTM mechanic.
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Page 45: Cleaning The Air Filter, Adjusting The Throttle Cables
[3] and filter support [4] from the filter box. – Do not clean foam filter with fuel or petroleum since these damage the foam. KTM recommends the products of the company Motorex for air fil- ter maintenance (Bio Dirt Remover and Liquid Bio Power).
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Page 46: Changing The Original Position Of The Clutch Lever
If the clutch lever starts to feel unresponsive, the clutch control system needs to be bled. You will need a bleeder syringe (special tool), available from your KTM dealer. Turn the handlebar until the master cylinder is in a horizontal position, remove the screws [2], the cover [3] and the rubber boot [4].
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Page 47: Checking The Float Level (float Height)
MAINTENANCE WORK ON CHASSIS AND ENGINE Carburetor – Adjust idling (Keihin-FCRMX 39) * Idling adjustment of the carburetor strongly affects the engine’s starting behavior. That is, an engine whose idling speed is adjusted correctly will be easier to start than one whose idling speed has not been adjusted correctly. The idle speed is controlled by means of the adjusting wheel [1] and the mixture control screw [2].
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Page 48: Checking The Engine Oil Level, Engine Oil
Checking the engine oil level The engine oil level can be checked with the engine either warm or cold. Place the motorcycle in an upright position and on a horizontal surface (not on the side stand). If the engine is cold, the engine oil must be visible at the lower edge of the inspection glass [A].
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Page 49: Changing The Engine Oil
An engine at operating temperature and the engine oil it contains are very hot – do not burn or scald yourself. Place the motorcycle on a horizontal surface, remove the plug [1] and allow the oil to drain into a receptacle.
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Page 50: Changing The Oil Filters
Check the O-ring of the oil filter covers for damage and, if necessary, replace Put the motorcycle on its side and fill the oil filter housing about halfway with engine oil. Fill oil filter with oil, place the oil filter in the filter box.
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Page 51: Troubleshooting
We would like to point out that many operations cannot be performed by yourself. In case of uncertainty, please contact a KTM-dealer. TROUBLE Engine doesn’t crank (E-starter).
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Page 52
Dislocate i.e. replace non-buckling vetilation hose Check engine oil level and, if necessary, correct it Use thicker engine oil; see chapter “Engine oil“ Remove seat and fuel tank and check voltage regulator con- nections; voltage regulator and generator should be checked by a KTM dealer.
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Page 53: Cleaning, Conservation For Winter Operation, Storage, Use After A Period Of Storage
CONSERVATION FOR WINTER OPERATION In the event that the motorcycle is also used in winter and on roads where one has to expect salt spraying, you will have to take pre- cautions against the aggressive road salt.
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Page 54
Engine oil Only use fully synthetic engine oils that meet the JASO MA quality require- ments (see information on the can). KTM recommends Motorex Power Synt 4T 10W/50. Poor oil quality or minor quantity cause early engine-wear. » » 250 XCF-W, EXC-F...
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Page 55
TECHNICAL DATA – ENGINE TIGHTENING TORQUES – ENGINE Hexagon collar screw, engine case, clutch cover, ignition cover, water pump cover M6 Oil drain plug Allen head plug, oil screen short Hexagon plug, oil screen long Collar screw for oil filter cover Plug pressure valve Screws, oil pump cover Hexagon collar screw, cylinder / cylinder head...
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Page 56
TECHNICAL DATA – CHASSIS CHASSIS 250-F Frame Central tube chrome-moly-steel frame Fork WP Suspension – 4860 MXMA CC / MXMA + PA Wheel travel front/rear 300/335 mm Rear suspension WP Suspension – 5018 PDS DCC, aluminium swing arm Front brake Disk brake with carbon-steel brake disc Ø...
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Page 57
TECHNICAL DATA – CHASSIS STANDARD ADJUSTMENT – FORK Compression adjuster Rebound adjuster Spring Spring preload Air chamber length Fork oil STANDARD ADJUSTMENT – SHOCK ABSORBER Compression adjuster Rebound adjuster Spring Spring preload TIGHTENING TORQUES – CHASSIS Collar screw, front wheel spindle Brake caliper, front Brake disks Clamping screws, upper fork bridge XCF-W ZA, EXC-F...
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Page 58: Wiring Diagram
» WIRING DIAGRAM red-white red-black...
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Page 59
WIRING DIAGRAM bl-wh bu-wh ye-bl re-wh re-bl » headlight re-bl re-wh rear light/brakelight multi-func.-digital-speedometer ye-bl ye-re wh-re black ye-re wh-re ye-re...
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Page 60
» WIRING DIAGRAM headlight C_DG/4 C_CW3/2 C_CX3/2 C_BP/4 bl-wh bu-wh bu-wh ye-bl re-wh re-bl re-bl re-wh C_CR/1 C_CR1/1 C_CX1/2 C_CW1/2 C_DI/2 licence plate lamp driving light lamp flasher control lamp front brake switch C_AK1/2 C_CW2/2 C_AH1/2 C_CX2/2 C_BA/1 C_BF/1 ye-re wh-gn C_BG1/3 C_AJ1/3...
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Page 61
» WIRING DIAGRAM CABLE COLOURS bl: black ye: yellow bu: blue gn: green re: red wh: white br: brown or: orange pi: pink gr: grey pu: purple...
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Page 62: Head Word Index
Fuse ........41 General information about KTM disc brakes ... .33 General tips and warnings for starting the motorcycle .
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Page 63
*3211228en* 3211228en KTM Group Partner KTM-Sportmotorcycle AG A–5230 Mattighofen www.ktm.com...
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