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Summary of Contents for KTM 50 SX PRO SENIOR LC 2002

  • Page 2: Chassis Number

    PARTS OF THE MOTORCYCLE OR THAT THE MOTORCYCLE IS NOT ROAD-SAFE ANYMORE. Please insert below the series numbers of the motorcycle Chassis number Engine number Stamp of dealer KTM S PORTMOTORCYCLE RESERVES THE RIGHT TO MODIFY ANY EQUIPMENT TECHNICAL SPECIFICATIONS COLORS MATERIALS...
  • Page 3 Compliance with these instructions will significantly prolong the life of your motorcycle. Maintenance work should only be performed by a KTM dealer. When special needs arise, please contact a KTM dealer, who will seek the assistance of the KTM importer if necessary.
  • Page 4: Table Of Contents

    INDEX Page Page Generel information about KTM disc brakes ....15 IMPORTANT INFORMATION ON SAFE DRIVING Setting the basic position and play of the hand brake lever.15 FOR PARENTS..............4 Checking/refilling the front brake fluid level ....15 SERIAL NUMBER LOCATIONS...........5 Checking front brake pads...........16 Replacing the front brake pads ........16...
  • Page 5: Important Information On Safe Driving For Parents

    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 is designed to be used by children from 6 to 10 years of age with a maximum weight of 35 kg (78 lbs) and a maximum height of 130 cm (51 in) .
  • Page 6: Serial Number Locations

    SERIAL NUMBER LOCATIONS Chassis number The chassis number is located on the type plate on the steering head. Write this number into 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.
  • Page 7: Filler Cap

    Oil (high-grade two-stroke engine oil) must be mixed with the fuel (ROZ 95) at a mixing ratio of 1:40. Fuel and engine oil should only be mixed immediately before use. KTM recommends SHELL ADVANCE RACING X. WARNING ASOLINE IS HIGHLY FLAMMABLE AND POISONOUS...
  • Page 8: Kickstarter

    Kickstarter The kickstarter is mounted on the right side of the engine. Its upper part can be swivelled. WARNING HEN STARTING THE ENGINE PUT ON MOTORCYCLE BOOTS IN ORDER TO AVOID INJURIES OU MAY SLIP OFF THE KICKSTARTER OR THE ENGINE MAY STRIKE BACK WHEN KICKING NOT VEHEMENTLY ENOUGH NOTE: an accessory kit for kick starter backwards operation is available.
  • Page 9: Driving Instructions

    Have the brake LWAYS KEEP IN MIND THAT OTHER PEOPLE FEEL MOLESTED BY system checked at a KTM workshop to avoid brake failure. EXCESSIVE NOISE Also have the condition of the brake hose and the brake-lining thickness checked.
  • Page 10: Starting When Engine Is Warm

    Starting when the engine is warm CAUTION 1 Open fuel tap – D RIVING A COLD ENGINE AT HIGH SPEED WILL REDUCE THE LIFE OF THE 2 Swing the side stand all the way up. ENGINE E RECOMMEND TO WARM THE ENGINE UP AT A MEDIUM 3 Applying the front brake.
  • Page 11: Periodic Maintenance Schedule

    50 SX PRO JUNIOR/SENIOR LC PERIODIC MAINTENANCE SCHEDULE 2002 water cooled Service Service every every A washed motorcycle can be checked more quickly which saves money! 5 hours 20 hours ● Check engine for leaks ● Change transmission oil ● Check spark plug, change it if necessary, set electrode gap ●...
  • Page 12 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 ●...
  • Page 13: Maintenance Work On Chassis And Engine

    MAINTENANCE WORK AND ADJUSTMENTS MARKED WITH AN ASTERISK (*) MUST BE PERFOR- MED BY AN EXPERT. TO PROTECT YOUR YOUNGSTER, ALWAYS HAVE SUCH WORK PERFORMED BY A SPECIALIZED KTM DEALER WHERE YOUR MOTORCYCLE WILL BE OPTIMALLY SERVICED BY APPROPRIATELY QUALIFIED SKILLED STAFF.
  • Page 14: Telescopic Fork Maintenance

    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 from the brake caliper and unscrew holding clamp.
  • Page 15: How To Change The Handlebar Position

    How to change the handlebar position The handlebar position can be readjusted by 22 mm (0.9 in). The upper tri- ple clamp includes 2 bores arranged at a distance of 15 mm (0,6 in) from one another. The bores at the handlebar support are offset from the cen- ter by 3.5 mm (0,13 in).
  • Page 16: Generel Information About Ktm Disc Brakes

    In this case, consult an authorized KTM dealer immediately. BRAKE FLUID: KTM fills the brake system with ”Shell Advance Brake DOT 5.1”, one of the best brake fluids currently available. We recommend that you continue to use it. DOT 5.1 brake fluid is based on glycol ether and of an amber color.
  • Page 17: Checking Front Brake Pads

    Checking front brake pads min. Inspect the brake pads from in front of the vehicle. The linings must be at 1 mm least 1 mm (0.04 in) thick. WARNING T THEIR MOST WORN POINT BRAKE PAD LININGS SHOULD NOT BE THINNER THAN (0,04 OTHERWISE THEY COULD LEAD TO BRAKE FAILURE OR YOUR OWN SAFETY...
  • Page 18: Drum Brake Maintenance

    Drum brake maintenance Drum brake maintenance is limited to occasional blowing out of brake drum and brake shoes. Brake drum and brake linings can be slightly roughened with an abrasive tape. Removing and mounting the front wheel Jack the motorcycle up by the frame so that the front wheel is suspended above the ground.
  • Page 19: Tires, Air Pressure

    A loose spoke causes the wheel to become unbalanced and before long other spokes will have come loose. Check spoke tension, especially on a new motorcycle, in regular intervals. If neces- sary, have the spokes retightened and the wheel centered by a KTM dealer. WARNING – S...
  • Page 20: Checking Coolant Level

    CAUTION – D O NOT CLEAN FOAM FILTER WITH FUEL OR PETROLEUM SINCE THESE WILL DAMAGE . KTM THE FOAM RECOMMENDS THE PRODUCTS MADE BY IR FOR AIR FILTER MAINTENANCE –...
  • Page 21: Exhaust System

    . Before tightening the screws, turn the outer tube until they match the positions you marked. Mount the silencer and check the exhaust system for tightness. NOTE: Glass fiber yarn packages are offered by your licensed KTM dealer. WARNING HE EXHAUST SYSTEM BECOMES VERY HOT WHILE THE MOTORCYCLE IS RUNNING...
  • Page 22: Checking The Gear Oil Level

    Checking the gear oil level To check the gear oil level, first remove the plug . With the motorcycle parked in an upright position, a small quantity of oil should flow out of the indicator opening . If oil must be added, tilt the motorcycle and pour automatic gear oil ( Shell Donax TA) into the bore.
  • Page 23: Cleaning

    CLEANING Clean your motorcycle regularly in order to keep its painted finish looking shiny and new. The best manner would be to use warm water that has been mixed with a commercially available washing detergent and a sponge. The hard dirt can be removed before with the help of a soft water jet. CAUTION EVER CLEAN YOUR MOTORCYCLE WITH A HIGH PRESSURED CLEANER OR A HIGH...
  • Page 24: Technical Data - Engine

    TECHNICAL DATA – ENGINE 50 LC 2002 Engine 50 SX PRO JUNIOR LC 50 SX PRO SENIOR LC Design single cylinder 2-stroke engine, with reed valve inlet Displacement 49.0 ccm Bore/Stroke 39.5 / 40 mm Fuel SUPER fuel, research octane no 95, mixed with 2-stroke oil Oil/gasoline ratio 1 : 40 when using high grade 2-stroke oil (Shell Advance Racing X) When in doupt, please contact your importer or use 1 : 33 mix ratio to be on the safe side...
  • Page 25: Technical Data - Chassis

    TECHNICAL SPECIFICATIONS - CHASSIS 50 MINI LC 2002 50 SX PRO JUNIOR LC 50 SX PRO SENIOR LC Frame single downtube, split-cradle Fork Marzocchi Ø = 32 mm (1,26 in) Wheel travel front/rear 135/200 mm (5,3/8 in) 175/185 mm (6,9/7,4 in) Rear suspension Central shock absorber WP Front brake...
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