Page 3
DEAR KTM CUSTOMER Congratulations on your decision to buy a KTM ATV. You are now the owner of a state-of-the-art sports ATV that will give you enormous DEAR KTM CUSTOMER pleasure if you service and maintain it accordingly. We wish you great pleasure riding the vehicle! Enter the serial numbers of your vehicle below.
Page 4
Reproduction, even in part, is permitted only with the express written permission of the copyright owner. ISO 9001(12 100 6061) According to the international quality management standard ISO 9001, KTM uses quality assurance processes that lead to the maximum possible quality of the products.
Indicator lamp overview ............ 35 Important maintenance work to be carried out by an Emergency OFF switch with rip cord........35 authorized KTM workshop. (as additional job)...... 61 Opening filler cap ............. 36 Important checks and maintenance work to be carried out Closing filler cap ..............
Page 6
CONTENTS MAINTENANCE ON CHASSIS AND ENGINE ......64 Checking play in gas Bowden cable ........94 Jacking up the vehicle ............64 Adjusting play in gas Bowden cable........95 Removing the vehicle from the work stand ......64 Checking chain dirt ............96 Basic information on changing the chassis settings....
Page 7
CONTENTS Checking tire air pressure ..........125 Checking the coolant level..........150 Removing the battery ............126 Draining coolant ............151 Installing the battery............127 Filling coolant/bleeding the cooling system ....153 Recharging the battery ..........127 Carburetor - idle ............. 155 Changing main fuse ............
Page 8
CONTENTS Capacity - fuel..............183 TECHNICAL DATA - FRONT SHOCK ABSORBER....184 TECHNICAL DATA - REAR SHOCK ABSORBER..... 186 TECHNICAL DATA - CHASSIS TIGHTENING TORQUES ..188 SUBSTANCES..............190 AUXILIARY SUBSTANCES........... 194 STANDARDS..............197 INDEX ................198...
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 vehicle will be serviced optimally by specially trained experts using the specialist tools required.
IMPORTANT NOTES Use definition KTM ATVs are designed and built to withstand the normal stresses and strains of competitive use. The vehicles comply with currently valid regulations and categories of the top international motorsport organizations. Warning Danger of accidents Incorrect assessment of riding situations.
Page 11
Spare parts, accessories For your own safety, only use spare parts and accessories that have been approved and/or recommended by KTM and have them installed by an authorized KTM workshop. KTM accepts no liability for other products and any resulting damage or loss.
Page 12
If you have never ridden an ATV before, it is important that you participate in a driver training course before you ride the vehicle for the first time. A professional trainer will show you how to handle your ATV safely in various riding situations and on different terrain. Your KTM dealer will be glad to advise you.
Page 15
IMPORTANT NOTES Hangtag Information on use Emission control 450 SX ATV Emission control 505 SX ATV Warning label Information on not riding as a passenger Information on putting into operation Information on chain tension...
Page 17
IMPORTANT NOTES 700372-01 Information on use 800045-10 Emission control 450 SX ATV...
Page 18
IMPORTANT NOTES 800044-10 Emission control 505 SX ATV...
Page 19
IMPORTANT NOTES 700368-01 Warning label...
Page 20
IMPORTANT NOTES 700370-01 Information on not riding as a passenger 700371-01 Information on putting into operation...
Page 21
IMPORTANT NOTES 700369-01 Information on chain tension Notes/warnings Be sure to pay attention to the notes and warnings given here. Info Various notes and warning stickers are attached to the vehicle. Do not remove any notes and warning stickers. If they are missing, you or others may not recognize dangers and may therefore be injured.
Page 22
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.
VIEW OF VEHICLE View of the vehicle from the left front (example) 800062-10...
Page 25
VIEW OF VEHICLE Hand brake lever Fuse box Headlight Front shock absorber Steering damper holder (steering damper is optional) Right-hand brake caliper Front left shock absorber Outside brake disk guard Shift lever Left footrest Heel protector Emergency OFF switch with rip cord Clutch lever Hot start lever...
VIEW OF VEHICLE View of the vehicle from the right rear (example) 800046-10...
Page 27
VIEW OF VEHICLE Light switch, electric starter button, ENG. STOP switch Filler cap Main silencer Rear shock absorber Rear sprocket with chain Rear wheel eccentric element Rear brake Foot brake pedal Manifold Top A-arm Front right fender Throttle lever Ignition switch...
LOCATION OF SERIAL NUMBERS Chassis number The chassis number is stamped on the right side of the frame in the vicinity of the upper control arm. 800047-10 Type label The type label is located on the frame tube on the right and left in front of the radiator. ...
LOCATION OF SERIAL NUMBERS Key number The key number is indicated on the KEYCODECARD. Info You need the key number to order a replacement key. Keep the KEYCODECARD in a safe place. 100089-10 Engine number The engine number is stamped on the left side of the engine under the engine sprocket. ...
LOCATION OF SERIAL NUMBERS Shock absorber part number, front The shock absorber part number is stamped on the upper part of the shock absorber. 800067-10 Shock absorber part number, rear The shock absorber part number is stamped on the upper part of the shock absorber. ...
CONTROL ELEMENTS Clutch lever The clutch lever is fitted on the left side of the handlebar. Possible states Clutch lever in neutral position – In this position, the engine is force-locked with the • gear and the starting circuit is interrupted. The electric starter does not turn over when the electric starter button is pressed.
CONTROL ELEMENTS Handbrake lever, parking brake The hand brake lever is located on the right side of the handlebar and operates the front wheel brakes. The parking brake is combined with the handbrake lever so that the front wheels can be blocked to prevent the vehicle from rolling.
CONTROL ELEMENTS Throttle lever The throttle lever is fitted on the right side of the handlebar. The throttle lever is used to control the engine speed. 100007-10 Light switch The light switch is fitted on the left side of the handlebar. ...
CONTROL ELEMENTS Light switch The light switch is fitted on the left side of the handlebar. Possible states High beam on – Light switch is turned upwards. In this position, the high beam and the tail light are switched on. Low beam on –...
CONTROL ELEMENTS ENG. STOP switch The ENG. STOP switch is fitted on the left side of the handlebar. Possible states ENG. STOP switch off – In this position, the ignition circuit is interrupted, a running engine stops, and the engine cannot be started. ENG.
CONTROL ELEMENTS Electric starter button 5.10 Electric starter button is fitted on the left side of the handlebar. Possible states • Electric starter button in basic position is pressed – In this position, the electric starter is actuated. • Electric starter button 700377-01 Ignition switch...
CONTROL ELEMENTS Indicator lamp overview 5.12 Possible states lights up yellow – Ignition is switched on. Ignition indicator lamp lights up blue – High beam is switched on. High beam indicator lamp 800051-10 Emergency OFF switch with rip cord 5.13 The emergency OFF switch is mounted on the left in front of the fuel tank.
CONTROL ELEMENTS Opening filler cap 5.14 – Press release button , turn filler cap counterclockwise and lift it free. 100012-10 Closing filler cap 5.15 – Replace the filler cap and turn clockwise until the release button locks in place. ...
CONTROL ELEMENTS Fuel tap 5.16 The fuel tap is located on the right side of the fuel tank. With tap handle on the fuel tap, you can open or close the supply of fuel to the carbure- tor. Possible states Fuel supply closed OFF –...
CONTROL ELEMENTS Choke 5.17 The choke is fitted on the left side of the carburetor. Activating the choke function frees an opening through which the engine can draw extra fuel. This gives a richer fuel-air mixture, which is needed for a cold start. Info If the engine is warm, the choke function must be deactivated.
CONTROL ELEMENTS The gear positions can be seen in the photograph. The neutral or idle position is between the first and second gears. 800054-11 Foot brake pedal 5.19 The foot brake pedal is located in front of the right footrest and operates the rear wheel ...
– A professional trainer will show you how to handle your ATV safely in various riding situations and on different terrain. Your KTM dealer will be glad to advise you. Warning Risk of injury Missing or insufficient protective clothing increases the risk of injury.
Page 43
TIPS ON PUTTING INTO OPERATION Warning Danger of accidents Accident risk caused by presence of a passenger. – Your vehicle is not designed to carry passengers. Do not ride with a passenger. Warning Danger of accidents Brake system failure. – If the foot brake pedal is not released, the brake linings drag permanently. The rear brake can fail due to overheating. Take your foot off the foot brake pedal if you do not want to brake.
Page 44
TIPS ON PUTTING INTO OPERATION – 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. – Before your first trip, read the entire operating instructions carefully.
TIPS ON PUTTING INTO OPERATION Running in the engine – During the running-in phase, do not exceed the specified engine speed and engine performance. Guideline Maximum engine speed During the first 3 service hours 7,000 rpm maximum engine performance ≤ 50 % During the first 3 service hours ≤...
RIDING INSTRUCTIONS Checks before putting into operation Info Make sure that the vehicle is in a perfect technical condition before use. Info In the interests of riding safety, make a habit of making a general check before you ride. – Check the engine oil level.
RIDING INSTRUCTIONS – Check that all operating elements are correctly adjusted and free to move. – Check that the electrical equipment is functioning properly. Starting Danger Danger of poisoning Exhaust gases are poisonous and can result in unconsciousness and/or death. – When running the engine, always make sure there is sufficient ventilation, and do not start or run the engine in a closed space.
Page 48
RIDING INSTRUCTIONS – Turn the key in the ignition switch to the position The yellow ignition indicator lamp ON lights up. Info Under no circumstances should you open the throttle when switching on the ignition! The vehicle is equipped with a safety system that switches off the engine in case of a malfunction in the throttle lever, Bowden cable or carburetor.
RIDING INSTRUCTIONS Starting up Info Switch your lights on before leaving. You will then be seen earlier by other motorists. – Pull and release the handbrake lever. Locking pawl moves into its basic position, parking brake is deactivated. – Pull the clutch lever, engage 1st gear, release the clutch lever slowly and simultaneously open the throttle carefully. Shifting Warning Danger of accidents If you change down at high engine speed, the rear wheels can block.
Danger of accidents Reduced braking caused by spongy pressure point of front or rear brake. – Have the brake system checked in an authorized KTM workshop, and do not ride any further. Warning Danger of accidents Reduced braking due to wet or dirty brakes.
Info If you hear unusual noises while riding, stop immediately, switch off the engine and contact an authorized KTM workshop. If the vehicle goes out of control and you fall off the vehicle, the clip of the emergency OFF switch is pulled off by the rip cord attached to your clothing.
Page 52
RIDING INSTRUCTIONS Warning Danger of accidents Excessive speed and turning at sharp angles can cause the vehicle to roll over. – Decrease your speed before entering into bends. – Handling of the ATV is strongly influenced by shifts in the position of your body weight. Always shift your body weight toward the inside of the bend and forward.
RIDING INSTRUCTIONS Riding downhill Warning Danger of accidents Danger of accidents when riding on slopes. – Always check the terrain before riding onto a slope. – Never ride on a slope with an inclination of more than 25°. – Never ride on a slope that exceeds your driving skills. –...
RIDING INSTRUCTIONS Riding uphill Warning Danger of accidents Danger of accidents when riding on slopes. – Always check the terrain before riding onto a slope. – Never ride on a slope with an inclination of more than 25°. – Never ride on a slope that exceeds your driving skills. –...
RIDING INSTRUCTIONS Riding perpendicular to the slope 7.10 Warning Danger of accidents When riding perpendicular to a slope, the vehicle can tip easily and roll over. – Avoid riding perpendicular to the slope if possible. – Ride slowly and shift you weight toward the slope. –...
Page 56
RIDING INSTRUCTIONS – If you come to a stop on a slope with your vehicle, dismount from the vehicle and turn – Switch off the engine and activate the parking brake. – Dismount from the vehicle on the uphill side. –...
After riding through water, dry the brakes by lightly activating both brakes until normal braking power is available again. – If the vehicle became submerged, an authorized KTM workshop must perform a thor- ough check and comprehensive service. Do not start the engine. Switching off the engine 7.13...
RIDING INSTRUCTIONS Alternative 1 Switch off the engine using the ignition key. – Turn the key in the ignition switch to the position Info All power-consuming components are switched off. Alternative 2 Switch off the engine using the ENG. STOP switch. –...
RIDING INSTRUCTIONS Note Danger of damage Danger of damage from accidental rolling of vehicle. – Park the vehicle on a surface that is as horizontal as possible and activate the parking brake. Note Fire hazard Some components (engine, radiator and exhaust system) get very hot when the engine is running. –...
Page 60
RIDING INSTRUCTIONS 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 doc- tor immediately.
SERVICE SCHEDULE Important maintenance work to be carried out by an authorized KTM workshop. S10A S30A Engine • • • Change the engine oil and oil filter, clean the oil screen. p. 159) Replace spark plug. • Check the valve clearance and adjust if necessary.
Page 62
SERVICE SCHEDULE S10A S30A Brakes Check the rear brake fluid level. ( p. 114) • • • Check that brake lines are undamaged and free of leaks. • • • Check the free play of the hand brake lever. ( p.
S10A: Every 10 service hours - corresponds to about 70 liters of fuel/after every race S30A: Every 30 service hours - corresponds to about 210 liters of fuel Important maintenance work to be carried out by an authorized KTM workshop. (as additional job) S10A...
Page 64
SERVICE SCHEDULE S10A S20A S40A Change the valve springs. • • Check the timing-chain tensioner function. • Check the crankshaft run-out at the bearing pin. • Change the conrod bearing. Check the seating of the piston pin. • Change the crankshaft main bearing. •...
SERVICE SCHEDULE Important checks and maintenance work to be carried out by the rider. NB1A Check the engine oil level. ( p. 158) • Check the front brake fluid level. ( p. 105) • Check the rear brake fluid level. ( p.
MAINTENANCE ON CHASSIS AND ENGINE Jacking up the vehicle Note Danger of damage Danger of damage from tipping of vehicle. – Jack up the vehicle on a firm and horizontal surface. Use a flex-free work stand. – Jack up the vehicle on the frame underneath the engine. The wheels must no longer touch the ground.
MAINTENANCE ON CHASSIS AND ENGINE Small weight differences can be compensated by adjusting the spring preload, but in the case of large weight differences, the springs must be replaced. When changing the chassis settings, always start with the standard setting. Between test rides, always change only one setting.
MAINTENANCE ON CHASSIS AND ENGINE Info The high-speed setting takes effect during the fast compression of the shock absorber. – Turn adjusting screw clockwise all the way using a ring wrench. Info Do not loosen screw connection – Turn back counterclockwise by the number of turns corresponding to the shock absorber type.
Page 69
MAINTENANCE ON CHASSIS AND ENGINE Warning Danger of accidents Do not make any radical changes to the adjustment of the shock absorbers. – Only make adjustments within the recommended range. Info The low-speed setting takes effect during the slow to normal compression of the shock absorber. –...
MAINTENANCE ON CHASSIS AND ENGINE Front shock absorber - adjusting the rebound damping Danger Danger of accidents The shock absorber is under high pressure. – The shock absorber is filled with highly compressed nitrogen, so never dismantle the shock absorber or carry out any mainte- nance on it yourself.
MAINTENANCE ON CHASSIS AND ENGINE – Turn back counterclockwise by the number of clicks corresponding to the shock absorber type. Guideline Rebound damping Comfort 23 clicks Standard 21 clicks Sport 19 clicks Experience has shown that settings outside of this range are detrimental to vehi- cle handling.
Page 72
Less cross over makes the spring action at the front harder and the front of the vehicle lies higher. – Jack up the vehicle. ( p. 64) – Clean the shock absorber thoroughly. – Loosen adjusting rings . Suitable tools are available from an authorized KTM workshop. Hook wrench (83019001000) 800063-10 – Cross over setting...
MAINTENANCE ON CHASSIS AND ENGINE – Tighten the spring by turning adjusting ring to setting Info The left and right shock absorbers should have the same settings. – Tighten the adjusting ring. – Remove the vehicle from the work stand. ( p.
Page 74
MAINTENANCE ON CHASSIS AND ENGINE – Loosen lock ring Hook wrench (83019001000) – Turn adjusting ring until the spring pack is fully unloaded. – Measure the entire spring pack when it is unloaded. 800063-12 – Tighten the spring pack by turning adjusting ring to the specified setting ...
MAINTENANCE ON CHASSIS AND ENGINE Rear shock absorber - adjusting the high speed compression damping 9.10 Danger Danger of accidents The shock absorber is under high pressure. – The shock absorber is filled with highly compressed nitrogen, so never dismantle the shock absorber or carry out any mainte- nance on it yourself.
MAINTENANCE ON CHASSIS AND ENGINE – Turn back counterclockwise by the number of turns corresponding to the shock absorber type. Guideline Compression damping, high-speed Comfort 2 turns Standard 2 turns Sport 1.5 turns Info Turn clockwise to increase damping, turn counterclockwise to reduce suspension damping.
MAINTENANCE ON CHASSIS AND ENGINE – Turn adjusting screw clockwise to the last perceptible click using a screwdriver. Info Do not loosen screw connection – Turn back counterclockwise by the number of clicks corresponding to the shock absorber type. Guideline Compression damping, low-speed 800060-11...
MAINTENANCE ON CHASSIS AND ENGINE Info The rebound damping setting has an impact on the compression of the shock absorber. – Turn adjusting screw clockwise to the last perceptible click. – Turn back to the left by the number of clicks corresponding to the shock absorber type. Guideline Rebound damping Comfort...
Page 79
After removing the shock absorber, clean it thoroughly. – Loosen lock ring . Hold adjusting ring while doing so. Suitable tools are available from an authorized KTM workshop. Hook wrench (83019002000) – Turn the adjusting ring until the spring pack is fully unloaded. 200601-01...
MAINTENANCE ON CHASSIS AND ENGINE – Measure the entire spring pack when it is unloaded. Info Spring preload is the difference in length between the spring pack when it is unloaded and when it is installed. – Tighten the spring pack by turning the adjusting ring to the specified setting. Guideline Spring preload Comfort...
Page 81
MAINTENANCE ON CHASSIS AND ENGINE Note Danger of damage The chain sliding piece and frame can be damaged from incorrect handling. – When removing the rear shock absorber, secure the swingarm with a tension belt to prevent it from swinging down further. –...
MAINTENANCE ON CHASSIS AND ENGINE Installing the rear shock absorber 9.15 – Position the shock absorber in the vehicle with the reservoir on the right. Mount and tighten the top screw Guideline Screw, rear top shock absorber 60 Nm (44.3 lbf ft) –...
Page 83
MAINTENANCE ON CHASSIS AND ENGINE – Load the vehicle with the specified weight. Guideline Standard rider weight 70… 80 kg (154… 176 lb.) – Move the handlebar into the straight-ahead position and fix it. Handlebar fixation for straight-ahead position (83019015100) 300272-10...
Page 84
MAINTENANCE ON CHASSIS AND ENGINE 400333-10 – Measure distances » If distances are not equal: – Adjust the toe. p. 83)
MAINTENANCE ON CHASSIS AND ENGINE – Measure distances Guideline Front 0 mm (0 in) Info The toe is the difference in length between distances by which the wheels are spaced at the front or rear when driv- ...
Page 86
MAINTENANCE ON CHASSIS AND ENGINE 400333-11 – Loosen nuts – Adjust the distances to the same value by rotating the tie rods ...
MAINTENANCE ON CHASSIS AND ENGINE – Adjust the distances to the specified value by evenly rotating the tie rods Guideline Front 0 mm (0 in) Info The toe is the difference in length between distances by which the wheels are spaced at the front or rear when driv- ...
Page 88
MAINTENANCE ON CHASSIS AND ENGINE – Loosen nuts 300273-10 – Remove screws with bushings 300274-10 – Insert tool in the heim joint and clip onto the A-arm. Camber gauge (83019014000) – Check the camber on both heim joints. »...
MAINTENANCE ON CHASSIS AND ENGINE – Position the A-arm with bushings . Mount and tighten screws Guideline Screw, A-arm top M10x52 45 Nm (33.2 lbf ft) 300274-10 – Align the heim joint at right angles to screws and tighten nut ...
MAINTENANCE ON CHASSIS AND ENGINE Adjusting the fork offset 9.20 Info The left and right fork offset should have the same settings. The operations are the same on the left and right. – Jack up the vehicle. ( p. 64) –...
MAINTENANCE ON CHASSIS AND ENGINE Adjusting the toe width of the rear axle 9.22 Warning Danger of accidents Modifications to the chassis can seriously alter the vehicle's handling characteristics. – Following modifications, ride slowly at first to get the feel of the new handling characteristics. –...
Page 92
MAINTENANCE ON CHASSIS AND ENGINE Setting a wide toe width: – Mount spacing sleeve with the cone facing inward. 0 0 2 0 0 3 – Mount conical ring with the cone facing outward. – Mount wheel hub ...
MAINTENANCE ON CHASSIS AND ENGINE Handlebar position 9.23 The handlebar position can be adjusted 4-fold by turning the handlebar support and the handlebar support The holes on the handlebar support are placed at a distance of from the center. ...
MAINTENANCE ON CHASSIS AND ENGINE Adjusting the handlebar position 9.24 – Pull the instrument support off the handlebar and swing it to the side. Info Protect the vehicle and its attachments from damage by covering them. Do not bend the cables and lines. 100100-10...
Page 95
MAINTENANCE ON CHASSIS AND ENGINE – Remove the four screws . Remove handlebar clamps , swing the handlebar forward and set it down. – Remove nuts and remove handlebar support with the screws. – Remove screws ...
MAINTENANCE ON CHASSIS AND ENGINE – Position the handlebar and fix it with handlebar clamps . Mount and tighten screws Guideline Screw, handlebar clamp 20 Nm (14.8 lbf ft) Info Make sure cables and wiring are positioned correctly. –...
MAINTENANCE ON CHASSIS AND ENGINE Danger Danger of poisoning Exhaust gases are poisonous and can result in unconsciousness and/or death. – When running the engine, always make sure there is sufficient ventilation, and do not start or run the engine in a closed space. –...
MAINTENANCE ON CHASSIS AND ENGINE Checking chain dirt 9.27 – Check the chain for coarse dirt accumulation. » If the chain is very dirty: – Clean the chain. ( p. 96) Cleaning the chain 9.28 Warning Environmental hazard Problem materials cause environmental damage. –...
MAINTENANCE ON CHASSIS AND ENGINE Checking the chain tension 9.29 Warning Danger of accidents Danger caused by incorrect chain tension. – If the chain tension is too high, the components of the secondary power train (chain, engine sprocket, rear sprocket, bearings in transmission and rear wheel eccentric element) are under additional load.
MAINTENANCE ON CHASSIS AND ENGINE Checking rear sprocket / engine sprocket for wear 9.30 – Check rear sprocket / engine sprocket for wear. » If the rear sprocket / engine sprocket are worn: – Replace the rear sprocket / engine sprocket. Info When fitting the chain joint, always make sure that the closed side of the joint faces forward (riding direction).
Page 101
MAINTENANCE ON CHASSIS AND ENGINE – Pull the lower chain section with the specified weight Guideline Chain-wear measuring weight 10… 15 kg (22… 33 lb.) – Measure the distance of 18 chain links in the upper chain section. Info Chain wear is not always even, so you should repeat this measurement at differ- ent chain positions.
MAINTENANCE ON CHASSIS AND ENGINE Adjusting chain tension 9.32 Warning Danger of accidents Danger caused by incorrect chain tension. – If the chain tension is too high, the components of the secondary power train (chain, engine sprocket, rear sprocket, bearings in transmission and rear wheel eccentric element) are under additional load. Apart from premature wear, in extreme cases the chain can rupture or the countershaft of the transmission can break.
Page 103
MAINTENANCE ON CHASSIS AND ENGINE – Loosen the screws by four turns. Alternative 1 – Insert the tool from the tool set into the hole of the rear wheel eccentric ele- ment. Alternative 2 – Use a special tool on the rear wheel eccentric. Hook wrench (83019011000) –...
Long-life grease ( p. 192) 100092-10 Checking the brake discs 9.34 Warning Danger of accidents Reduced braking due to worn brake discs. – Worn brake discs should be replaced immediately in an authorized KTM workshop.
MAINTENANCE ON CHASSIS AND ENGINE – Check the thickness of the front and rear brake discs at several places on the disc to see if it conforms to measurement Info Wear reduces the thickness of the brake disc around the area used by the brake linings.
MAINTENANCE ON CHASSIS AND ENGINE – Push the hand brake lever forward and check free play. ≥ 3 mm (≥ 0.12 in) Free play of hand brake lever » If the free travel does not meet specifications: – adjust the basic position of handbrake lever. ( p.
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.
Page 108
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. –...
Clean up overflowed or spilt brake fluid immediately with water. 100036-10 Checking the front brake linings 9.39 Warning Danger of accidents Reduced braking due to worn brake linings. – Worn brake linings should be replaced immediately in an authorized KTM workshop. – Remove the wheel/wheels. ( p. 122)
Removing front brake linings 9.40 Warning Danger of accidents Improper brake maintenance and repair. – Always have your brake system maintained and repaired in an authorized KTM workshop. Info The operations are the same on the left and right. – Remove the wheel/wheels. ( p.
Brake linings available from accessory suppliers are often not tested and approved for use on KTM vehicles. The construction and friction factor of the brake linings and therefore the brake power can differ considerably from the original KTM brake lin- ings.
MAINTENANCE ON CHASSIS AND ENGINE – Insert the inside brake lining into the brake caliper and fix with bolt – Insert the external brake lining into the brake caliper and slide the bolts in all the way. 100072-10 – Mount locking split pins ...
Page 113
MAINTENANCE ON CHASSIS AND ENGINE 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 ON CHASSIS AND ENGINE – Remove the front brake linings. p. 108) – Move the brake fluid reservoir mounted on the handlebar to a horizontal position. – Remove screws – Remove cover with membrane – Press the brake piston back to its basic position and make sure that no brake fluid over- flows from the brake fluid reservoir.
MAINTENANCE ON CHASSIS AND ENGINE – Disconnect spring – Move the foot brake lever backwards and forwards between the end stop and the foot brake cylinder piston bracket and check free play Guideline Free play at foot brake lever 3…...
If the brake fluid level falls below the bottom of the viewer, this indicates a leakage in the brake system or worn-out brake lin- ings. Have the brake system checked in an authorized KTM workshop, and do not ride any further.
MAINTENANCE ON CHASSIS AND ENGINE 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. – Park the vehicle on a horizontal surface. –...
Page 118
MAINTENANCE ON CHASSIS AND ENGINE 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. –...
Checking rear brake linings 9.47 Warning Danger of accidents Reduced braking due to worn brake linings. – Worn brake linings should be replaced immediately in an authorized KTM workshop. – Check the brake linings for minimum thickness ≥ 1 mm (≥ 0.04 in) Minimum thickness ...
Danger of accidents Improper brake maintenance and repair. – Always have your brake system maintained and repaired in an authorized KTM workshop. – Press the brake caliper by hand on to the brake disc in order to press back the brake piston.
Brake linings available from accessory suppliers are often not tested and approved for use on KTM vehicles. The construction and friction factor of the brake linings and therefore the brake power can differ considerably from the original KTM brake lin- ings.
Page 122
MAINTENANCE ON CHASSIS AND ENGINE – Check that sliding plate is seated correctly in the brake caliper support and insert the brake linings. Info Make sure that decoupling plate is mounted on the piston side of the brake pad.
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 ON CHASSIS AND ENGINE – Remove the rear brake linings. p. 118) – Remove screw with membrane – Press the brake piston back to its basic position and make sure that no brake fluid over- flows from the brake fluid reservoir. –...
MAINTENANCE ON CHASSIS AND ENGINE – Loosen the wheel nuts – Jack up the vehicle. ( p. 64) – Remove the wheel nuts. Remove the wheel. Info Carefully remove the wheel, making sure it does not become jammed with the threads of the screws.
Page 126
MAINTENANCE ON CHASSIS AND ENGINE Info Proceed in the same way on the other wheels if necessary. – Position the wheel on the hub. Info Note the direction of travel of the front wheels. Carefully position the wheel on the hub, being careful not to damage the threads of the screws.
9.53 Info Only mount tires approved and/or recommended 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 vehicle.
MAINTENANCE ON CHASSIS AND ENGINE Removing the battery 9.55 Warning Risk of injury Battery acid and battery gases cause serious chemical burns. – Keep batteries out of the reach of children. – Wear suitable protective clothing and goggles. – Avoid contact with battery acid and battery gases. –...
MAINTENANCE ON CHASSIS AND ENGINE Installing the battery 9.56 – Place the battery in the battery holder. 4Ah battery (YTX5L-BS) ( p. 183) – Reconnect rubber band – Attach the positive (plus) cable and replace the plus pole cover ...
Page 130
MAINTENANCE ON CHASSIS AND ENGINE Warning Environmental hazard Problem materials cause environmental damage. – Dispose of oil, grease, filters, fuel, cleaning substances, brake fluid, batteries, etc. according to regulations. Info Even if there is no load on the battery, it loses power every day. The charge state and the type of charge are very important for the service life of the battery.
MAINTENANCE ON CHASSIS AND ENGINE – Connect the battery charger to the battery. Switch on the battery charger. Battery charger (58429074000) You can also use the battery charger to test rest potential and start potential of the bat- tery, and to test the generator. With this device, you cannot overcharge the battery. Info Never remove the lid ...
Use only fuses with the prescribed amperage. Never by-pass or repair fuses. – Insert a new fuse. Fuse (58011109120) Info If the new fuse burns out, contact an authorized KTM workshop. 300257-10 The spare fuse should always be present in the starter relay so that it is avail- ...
Page 133
MAINTENANCE ON CHASSIS AND ENGINE – Open the cover of the fuse box Info The designation of the fuses is located on the inside cover of the fuse box – Remove the faulty fuse. Guideline Fuse 1 - 10A - ignition, CDI contoller, indicator lamps ON Fuse 2 - 15A - high beam, low beam, parking light, tail light, brake light, high beam indicator lamp Fuse 3 - 10A - radiator fan...
Page 134
Insert a new fuse of the appropriate strength. Fuse (58011109110) Fuse (58011109115) Info If the new fuse burns out, contact an authorized KTM workshop. The spare fuse should always be present in the starter relay so that it is available if needed. –...
MAINTENANCE ON CHASSIS AND ENGINE Ignition curve plug connection 9.60 Plug-in connector is located under the trim at the front on the frame tube. Possible states Performance – The plug-in connector is connected to achieve better performance. • Soft – The plug-in connector is disconnected for better driveability. •...
MAINTENANCE ON CHASSIS AND ENGINE Removing the seat 9.62 – Pull the release hook back. Lift up the seat at the rear, pull it back and then remove from above. 100041-10 Mounting the seat 9.63 – Hook slot on the seat into collar sleeve of the fuel tank, lower the rear of the seat ...
MAINTENANCE ON CHASSIS AND ENGINE – Push down the rear of the seat until release hook engages. – Make sure that the seat is correctly locked in. 100043-10 Removing the radiator spoiler 9.64 Info The operations are the same on the left and right. –...
MAINTENANCE ON CHASSIS AND ENGINE – Remove the screws on the radiator. – Unhinge and remove the radiator spoiler and the fuel tank. 300250-10 Installing the radiator spoiler 9.65 Info The operations are the same on the left and right. –...
MAINTENANCE ON CHASSIS AND ENGINE – Mount and tighten screws on the radiator. Guideline Remaining screws, chassis 10 Nm (7.4 lbf ft) – Mount and tighten screws on the fuel tank. Guideline Screw on fuel tank 6 Nm (4.4 lbf ft) –...
MAINTENANCE ON CHASSIS AND ENGINE Installing the front cover 9.67 – Position the front cover in slots on both sides of the front trim. – Mount and tighten the screw. 300253-10 Removing the front trim 9.68 – Remove the front cover. ( p.
Page 141
MAINTENANCE ON CHASSIS AND ENGINE – Remove screws – Raise the front trim and disconnect the plug-in connectors from the head light and the emergency OFF switch with the rip cord. – Remove the front trim. 300256-10...
MAINTENANCE ON CHASSIS AND ENGINE Installing the front trim 9.69 – Connect the plug-in connectors of the head light and the emergency OFF switch with the rip cord and position the front trim. – Mount all screws. – Fully tighten screws ...
Page 143
MAINTENANCE ON CHASSIS AND ENGINE – Remove screws 300254-10 – Raise the rear of the air filter box lid . At the same time, use your other hand to press on the carburetor connection boot to kink it at that location. This prevents the carbure- tor connection boot from disconnecting from the carburetor.
MAINTENANCE ON CHASSIS AND ENGINE Installing the rear fender 9.71 – Raise the rear of air filter box lid . At the same time, use your other hand to press on the carburetor connection boot to kink it at that location. This prevents the carburetor connection boot from disconnecting from the carburetor.
Page 145
MAINTENANCE ON CHASSIS AND ENGINE – Mount and tighten screws Guideline Remaining screws, chassis 10 Nm (7.4 lbf ft) – Mount the seat. ( p. 134) 300254-11...
MAINTENANCE ON CHASSIS AND ENGINE Removing the engine guard 9.72 – Remove screws . Remove the engine guard. 600133-10 Installing the engine guard 9.73 – Position the engine guard on the frame bearer. Mount and tighten screws ...
MAINTENANCE ON CHASSIS AND ENGINE Removing the air filter 9.74 Note Engine failure Unfiltered intake air has a negative effect on the service life of the engine. – Never ride the vehicle without an air filter since dust and dirt can get into the engine and result in increased wear. Warning Environmental hazard Problem materials cause environmental damage.
MAINTENANCE ON CHASSIS AND ENGINE Installing the air filter 9.75 – 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 ON CHASSIS AND ENGINE – Wash the air filter thoroughly in special cleaning liquid and allow it to dry properly. Air filter cleaner ( p. 194) Info Only press the air filter to dry it, never wring it out. –...
MAINTENANCE ON CHASSIS AND ENGINE Checking the fluid level of the hydraulic clutch 9.78 Info The fluid level rises with increasing wear of the clutch lining disc. Do not use brake fluid. – Move the clutch fluid reservoir mounted on the handlebar to a horizontal position. –...
MAINTENANCE ON CHASSIS AND ENGINE Radiator fan 9.80 The radiator fan is located on the radiator under the fuel tank. Working range within which radiator fan is switched on and off. Thermoswitch Switch-off temperature 80 °C (176 °F) Switch-on temperature 85 °C (185 °F) 300260-10 Checking the antifreeze and coolant level...
MAINTENANCE ON CHASSIS AND ENGINE – Remove the radiator cap . – Check the antifreeze of the coolant. −25… −45 °C (−13… −49 °F) » If the antifreeze of the coolant does not meet specifications: – Correct the antifreeze of the coolant. –...
MAINTENANCE ON CHASSIS AND ENGINE 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 con- tact a doctor. Wash affected skin areas immediately with soap and water. If coolant is swallowed, contact a doctor immediately. Change clothes that have come into contact with coolants.
Page 154
MAINTENANCE ON CHASSIS AND ENGINE 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 con- tact a doctor. Wash affected skin areas immediately with soap and water. If coolant is swallowed, contact a doctor immediately. Change clothes that have come into contact with coolants.
MAINTENANCE ON CHASSIS AND ENGINE Filling coolant/bleeding the cooling system 9.84 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 con- tact a doctor.
Page 156
MAINTENANCE ON CHASSIS AND ENGINE – Open screw to bleed the radiator. Tighten the screw when coolant emerges from the opening. Guideline Remaining screws, chassis 10 Nm (7.4 lbf ft) 300268-10 – Add coolant to level above the radiator fins. ...
MAINTENANCE ON CHASSIS AND ENGINE Carburetor - idle 9.85 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.
Page 158
MAINTENANCE ON CHASSIS AND ENGINE – Adjust the idle speed with adjusting screw Guideline Choke function deactivated – The choke lever is pushed in to the stop. ( p. 38) Idle speed 1,500… 1,600 rpm Info If the idle speed is set significantly higher, the engine does not start. When the electric starter button is activated, the electric starter turns over the engine, but the engine does not start because there is no ignition spark.
MAINTENANCE ON CHASSIS AND ENGINE – Adjust the idle speed with adjusting screw Guideline Choke function deactivated – The choke lever is pushed in to the stop. ( p. 38) Idle speed 1,500… 1,600 rpm Info Following extreme air temperature or altitude changes, adjust the idle speed again.
MAINTENANCE ON CHASSIS AND ENGINE Info Carry out this work with a cold engine. – Turn handle of the fuel tap to the OFF position. (Figure 800052-10 p. 37) Fuel no longer flows from the tank to the carburetor. –...
MAINTENANCE ON CHASSIS AND ENGINE Condition The engine is at operating temperature. – Check the engine oil level. Info After switching off the engine, wait one minute before checking the level. The engine oil reaches the middle of the viewer ...
MAINTENANCE ON CHASSIS AND ENGINE Draining the engine oil 9.90 Warning Danger of scalding Engine oil and gear oil get very hot when the vehicle is driven. – Wear suitable protective clothing and gloves. If you scald yourself, hold the affected area under cold water immediately. Warning Environmental hazard Problem materials cause environmental damage.
MAINTENANCE ON CHASSIS AND ENGINE Cleaning the oil screen 9.91 Warning Danger of scalding Engine oil and gear oil get very hot when the vehicle is driven. – Wear suitable protective clothing and gloves. If you scald yourself, hold the affected area under cold water immediately. Warning Environmental hazard Problem materials cause environmental damage.
Page 164
MAINTENANCE ON CHASSIS AND ENGINE Warning Environmental hazard Problem materials cause environmental damage. – Dispose of oil, grease, filters, fuel, cleaning substances, brake fluid, batteries, etc. according to regulations. – Place a suitable container under the engine. – Remove screws . Take off the oil filter cover with the O-ring. ...
MAINTENANCE ON CHASSIS AND ENGINE Installing the oil filter 9.93 – Fill oil filter with engine oil and place it in the oil filter housing. 300263-11 – Oil the O-ring of the oil filter cover and install it with the oil filter cover. –...
MAINTENANCE ON CHASSIS AND ENGINE – Remove screw cap on the clutch cover and fill up with engine oil. Engine oil 2.00 l (2.11 qt.) External Engine oil temperature: (SAE 10W/50) ≥ 0 °C (≥ 32 °F) p. 191) External Engine oil (SAE temperature:...
Page 167
MAINTENANCE ON CHASSIS AND ENGINE – Check the engine for leakage. – Remove the screw cap on the clutch cover and fill up with engine oil. Condition External temperature: ≥ 0 °C (≥ 32 °F) Engine oil (SAE 10W/50) ( p.
TROUBLESHOOTING Faults Possible cause Action – Engine turns but does not start. Operating error Follow the instructions on starting the engine. p. 45) – Vehicle was out of use for a long time Empty the carburetor float chamber. and there is old fuel in the float cham- p.
Page 169
– Do not touch parts of the ignition sys- tem. Have work on the ignition sys- tem carried out in an authorized KTM workshop. – Remove spark plug, connect ignition cable, hold spark plug to ground (bare metal area on engine), and try to start the engine.
Page 170
129) – Check electrical system. – Low external temperature Recharge the battery. Establish the reason for discharging or have it checked in a KTM work- shop. – Engine does not speed up. Carburetor running over because float Have carburetor checked.
Page 171
TROUBLESHOOTING Faults Possible cause Action – Engine has no idle. Idling jet blocked Clean carburetor. – Adjusting screws on carburetor dis- Have the carburetor adjusted. torted – Spark plug defective Change spark plug. – Ignition system defective Have ignition system checked. –...
Page 172
TROUBLESHOOTING Faults Possible cause Action – Engine has too little power. Air filter very dirty Clean the air filter. p. 146) – Exhaust system leaky, deformed or too Check exhaust system for damage. little glass fiber yarn filling in main silencer.
CLEANING Cleaning the vehicle 11.1 Note Material damage Damage and destruction of components by high-pressure cleaning equipment. – Never clean the vehicle with high-pressure cleaning equipment or a strong water-jet. The excessive pressure can penetrate electrical components, connects, Bowden cables, and bearings, etc., and can damage or destroy these parts. Warning Environmental hazard Problem materials cause environmental damage.
Page 174
CLEANING – After rinsing the vehicle with a gentle water spray, allow it to dry thoroughly. – Clean and dry the air filter box. – Empty the carburetor float chamber. p. 157) Warning Danger of accidents Reduced braking due to wet or dirty brakes. –...
STORAGE Storage 12.1 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 doc- tor immediately.
STORAGE – Recharge the battery. p. 127) Guideline Storage temperature of battery without direct sunshine. 0… 35 °C (32… 95 °F) – The storage place should be dry and not subject to large temperature differences. – Cover the vehicle with a porous sheet or blanket. Do not use non-porous materials since they prevent humidity from escaping, thus causing corrosion.
TECHNICAL DATA - ENGINE 3rd gear 20:26 4th gear 23:25 5th gear 26:24 Generator 12 V, 200 W Ignition Contactless controlled fully electronic ignition with digital ignition adjustment, type Kokusan Spark plug NGK CR 9 EKB Spark plug electrode gap 0.7 mm (0.028 in) Cooling Water cooling, permanent circulation of coolant by water pump...
TECHNICAL DATA - CARBURETOR Carburetor type KEIHIN FCR-MX 41 Carburetor identification number 4125L Needle position 3 th position from top Idle mixture adjusting screw Open 1.5 turns Pump membrane stop 2.15 mm (0.0846 in) Hot start button Bore diameter in carburetor body 2.5 mm (0.098 in) Main jet Jet needle...
TECHNICAL DATA - CHASSIS Frame Double cradle of chromium molybdenum steel tubes, powder- coated Wheel suspension Front Single wheel suspension with double transverse control arm Rear Rigid axle Suspension travel Front 244 mm (9.61 in) Rear 258 mm (10.16 in) Fork offset Front 50 mm (1.97 in)
Page 184
TECHNICAL DATA - CHASSIS Maximum allowable axle load Front 144 kg (317 lb.) Rear 149 kg (328 lb.) Maximum permissible overall weight 293 kg (646 lb.) Vehicle length 1,810 mm (71.26 in) Vehicle width 1,265 mm (49.8 in) Vehicle height 1,100 mm (43.31 in) Brake system Front...
20 x 6.00 - 10 18 x 10.00 - 8 MAXXIS Razr MX‑931 MAXXIS Razr MX‑932 For further information, see the Service section under: http://www.ktm.com Capacity - fuel 16.3 Total fuel tank capacity approx. 10.3 l (2.72 US gal) Super unleaded (ROZ 95 / RON 95 / PON 91) (...
TECHNICAL DATA - REAR SHOCK ABSORBER Shock absorber part number 15.18.7E.16 Shock absorber WP Suspension PDS 4618 BAVP DCC Compression damping, high-speed Comfort 2 turns Standard 2 turns Sport 1.5 turns Compression damping, low-speed Comfort 22 clicks Standard 20 clicks Sport 18 clicks Rebound damping...
Page 189
TECHNICAL DATA - REAR SHOCK ABSORBER Spring length, main spring 200 mm (7.87 in) Spring length, auxiliary spring 55 mm (2.17 in) Fitted length 440.5 mm (17.342 in) Gas pressure 10 bar (145 psi) Shock absorber oil Shock absorber oil (SAE 2.5) (50180342S1) ( p.
– Guideline – Use only brake fluid that complies with the specified standards (see specifications on the container) and that possesses the corre- ® sponding properties. KTM recommends Castrol and Motorex products. Supplier Castrol – RESPONSE BRAKE FLUID SUPER DOT 4 ®...
Page 193
SAE ( p. 197) (SAE 10W/50) Guideline – Use only engine oils that comply with the specified standards (see specifications on the container) and that possess the corresponding ® properties. KTM recommends Motorex products. Synthetic engine oil Supplier ® Motorex –...
Page 194
– ISO VG (15) Guideline – Use only hydraulic fluid that complies with the specified standards (see specifications on the container) and that possesses the corre- ® sponding properties. KTM recommends Motorex products. Supplier ® Motorex – Hydraulic Fluid 75...
Page 195
SUBSTANCES Super unleaded (ROZ 95 / RON 95 / PON 91) According to – DIN EN 228 (ROZ 95 / RON 95 / PON 91)
STANDARDS JASO T903 MA Different technical development directions required a new 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 specification.Whereas long service intervals are demanded for automobile engines, high performance at high engine speeds are in the foreground for motorcycle and ATV engines.With most motorcycles and ATVs, the gearbox and the clutch are lubricated with the same oil as the engine.
Need help?
Do you have a question about the 450 SX 2009 and is the answer not in the manual?
Questions and answers