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OWNER’S MANUAL 2006
50 SX JUNIOR
50 SX
50 SUPERMOTO
ART. NR. 3.211.69EN
KTM Group Partner
KTM-Sportmotorcycle AG
A–5230 Mattighofen
www.ktm.at
ENGLISH
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IMPORTANT » Please read this manual thoroughly before letting your youngster ride the motorcycle for the first time. This manual contains important information and recommendations that will help you and your youngster to operate and handle the motorcycle properly. In the interest of everybody involved, we urge you to pay particular attention to instructions and information marked as follows: – IGNORING THESE INSTRUCTIONS CAN BE DANGEROUS TO LIFE AND LIMB! – IGNORING THESE INSTRUCTIONS MAY DAMAGE
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ENGLISH INTRODUCTION » Now you own a modern motorcycle that you and your youngster will certainly enjoy, provided that you service and maintain it properly. This manual contains important information on the operation and main- tenance of your new KTM motorcycle. It went to press describing your model’s latest state of develop- ment. Nevertheless, the descriptions may deviate slightly from the current design as our motorcycles are permanently improved.The Owner's Manual is an integral part of the
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IMPORTANT WARRANTY AND GUARANTEE INFORMATION » KTM mini-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. Observance of the service, maintenance and tuning instructions for the engine and chassis specified in the Owner's Manual is a prerequisite for faultless operation and the avoidance of premature
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ENGLISH IMPORTANT INFORMATION FOR PARENTS ABOUT SAFE DRIVING » KTM mini motorcycles are off-road motorcycles designed for one person only. They are not allowed on public roads. The vehicle dimensions and components are designed for children from 4 to 10 years of age with a maximum weight of. 35 kg (78 lbs) and a maximum height of 130 cm (51 in). 4 – Have your youngster wear proper protective gear whenever he or she rides the motorcycle: helmet, eye protection, chest, back, arm and leg protecto
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TABLE OF CONTENTS » Page Page IMPORTANT INFORMATION FOR PARENTS ABOUT SAFE Changing spring preloading of the shock absorber . . .20 DRIVING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Check chain tension . . . . . . . . . . . . . . . . . . . . . . . .20 Correct chain tension . . . . . . . . . . . . . . . . . . . . . . .20 SERIAL NUMBER LOCATIONS . . . . . . . . . . . . . . . . . . . .6 Chain maintenance . . . . . . . . . . . . . . . . . . . . . . . . .20 Chassis nu
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ENGLISH SERIAL NUMBER LOCATIONS » Chassis number The chassis number is located on the type plate on the steering head. Enter this number in the field on page no 1. Engine number The engine number is stamped into the right half of the engine case next to the kickstarter. Enter this number in the relevant field on page 1. 6
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OPERATION INSTRUMENTS » Throttle grip The throttle grip is located on the right side of the handlebars. It is used to reduce the engine speed and, thus, the driving speed. Hand brake lever The hand brake lever is located on the right side of the handlebars and actuates the front wheel brake. The basic position can be adjusted to fit your child's hand. 7 Short circuit button 1 The short circuit button [1] turns off the engine. When pressing this button, the ignition circuit is short-circuited. F
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ENGLISH OPERATION INSTRUMENTS » Choke (Dell’Orto carburetor PHVA 14 DS) Choke lever [1] is mounted to the right side of the carburetor. If you move the choke lever up to the stop, a hole is opened in the carburetor through which the engine can draw in additional fuel. This results in a "rich" fuel-air mixture required for a cold start. Moving the choke lever back closes the hole in the carburetor again. 1 Choke (Dell’Orto carburetor PHBG 19 BS) Choke control knob [2] is mounted to the left side
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OPERATION INSTRUMENTS » Plugin - Stand (50 SX, 50 Supermoto) A socket is provided on the left side of the frame for the plug-in stand [1] included in the scope of supply. 1 Rebound damping function of the shock absorber The damping effect of the rebound damping mechanism can be adjusted by means of the setting wheel [2]. Turn the setting wheel clockwise (in) to increase and counterclockwise (out) to reduce the damping effect. STANDARD SETTING: 5 CLICKS OPEN – NEVER TURN THE SETTING WHEEL MORE T
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ENGLISH GENERAL TIPS AND WARNINGS FOR STARTING THE MOTORCYCLE » Instructions for the first ride Running in – Make sure the work for the "pre-delivery inspection" was per- – Even very precisely machined sections of engine components formed by your authorized KTM workshop. The DELIVERY have rougher surfaces than components which have been sli- CERTIFICATE and SERVICE MANUAL will be handed over ding across one another for quite some time. Therefore, every when you pick up your vehicle. engine needs
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DRIVING INSTRUCTIONS » What you should check before each start When you start off, the motorcycle must be in a perfect technical condition. For safety reasons, you should make it a habit to perform an overall check of your motorcycle before each start. The following checks should be performed: 1 CHECK TRANSMISSION OIL LEVEL A lack of gear oil leads to premature wear and finally results in destruction of the gear wheels. 2 FUEL 11 Check that there is sufficient fuel in the tank; when closing the
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ENGLISH DRIVING INSTRUCTIONS » Starting when the engine is cold 1 Open fuel tap [1]. 2 Operate the choke [2]. 3 Kick the side up all the way or remove the plug-in stand. 4 Apply the front brake. 5 Operate the kickstarter, depressing it all the way, without opening the throttle. – WHEN STARTING THE ENGINE, PUT ON MOTORCYCLE BOOTS IN ORDER TO AVOID INJURIES. YOU MAY SLIP OFF THE KICKSTARTER, OR THE ENGINE MAY KICK BACK IF YOU DO NOT KICK HARD ENOUGH. 1 – DO NOT START THE ENGINE AND ALLOW IT TO ID
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DRIVING INSTRUCTIONS » Driving The engine speed, and thus the driving speed, are regulated by – CLOSE THE FUEL TAP WHEN LEAVING THE MOTORCYCLE. the throttle grip. OTHERWISE THE CARBURETOR MAY GET FLOODED AND FUEL The choke must always be deactivated as soon as the engine has WILL ENTER THE ENGINE. warmed up. – THE SIDE STAND OR PLUG-IN STAND IS DESIGNED TO HOLD THE WEIGHT OF THE MOTORCYCLE ONLY. BY SITTING ON THE MOTOR- CYCLE, YOUR CHILD WILL PUT ADDITIONAL WEIGHT ON THE SIDE STAND, POSSIBLY CAU
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ENGLISH PERIODIC MAINTENANCE SCHEDULE » 50 SX JUNIOR 50 SX 50 SUPERMOTO A CLEAN MOTORCYCLE CAN BE CHECKED MORE QUICKLY WHICH SAVES MONEY! Check engine for leaks Change transmission oil Check spark plug, change it if necessary, set electrode gap Check carburetor for a tight fit at intake flange Check intake flange for cracks Check idle setting when engine is warm Check cooling system for leaks, check quantity of antifreeze Check exhaust system for leaks and suspension Check actuating
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PERIODIC MAINTENANCE SCHEDULE » 50 SX JUNIOR 50 SX 50 SUPERMOTO VITAL CHECKS AND CARE PROCEDURES TO BE CONDUCTED BY THE OWNER OR THE MECHANIC Check transmission oil level Check cooling liquid level Check brake fluid level Check brake pads for wear Check brake performance Lubricate and adjust actuating cables and nipples Remove and clean dust sleeves of telescopic fork at regular intervals Clean and lubricate chain, check tension and readjust it if necessary Clean air filter and filter
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ENGLISH MAINTENANCE WORK ON CHASSIS AND ENGINE » MAINTENANCE WORK AND ADJUSTMENTS MARKED WITH AN ASTERISK (*) MUST BE PERFORMED BY AN EXPERT. TO PRO- TECT YOUR YOUNGSTER, ALWAYS HAVE SUCH WORK PERFORMED BY A SPECIALIZED KTM DEALER WHERE YOUR MOTORCY- CLE WILL BE OPTIMALLY SERVICED BY APPROPRIATELY QUALIFIED, SKILLED STAFF. – WHEN CLEANING THE MOTORCYCLE, DO NOT USE A HIGH PRESSURE CLEANING UNIT IF POSSIBLE, OTHERWISE WATER WILL PENETRATE THE BEARINGS, CARBURETOR, ELECTRIC CONNECTORS, DRUM BRAKES
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MAINTENANCE WORK ON CHASSIS AND ENGINE » Checking and adjusting the steering head bearing (50 SX, 50 Supermoto) * The steering head bearing should be checked regularly for play. To check, support the motorcycle frame and lift the front wheel off the ground. Now try to move the fork back and forth – you should not feel any play. To adjust, loosen both clamping screws [1] on the upper triple clamp and loosen the steering head screw [2] by a few turns. Lift the triple clamp slightly and turn the a
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ENGLISH MAINTENANCE WORK ON CHASSIS AND ENGINE » Basic suspension setup for the weight of the driver To achieve maximum handling performance and to prevent the telescopic fork and shock absorber from being damaged, the basic setup of the suspension components must be suitable for your child's weight. At delivery, KTM's mini motorcycles are set to accommodate a driver weighing 25 - 30 kg (wearing full protective clothing). If your child's weight exceeds or falls short of this A range, you will ne
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MAINTENANCE WORK ON CHASSIS AND ENGINE » Telescopic fork maintenance * The telescopic fork must be serviced at least once a year. To service the fork, proceed as follows: Prop up the motorcycle under the frame to take the load off the front wheel. Disassemble the front wheel, remove screw [1] from the brake caliper and 2 unscrew holding clamp. Measure the projection of the fork legs at the upper 1 fork stabilizer and make a note of the measurement. Loosen the clamping screws [2] on the fork sta
