KTM 1998 125sx Owner's Manual

[Page 1] KTM 1998 125sx

BEDIENUNGSANLEITUNG OWNER’S HANDBOOK MANUALE D’USO MANUEL D’UTILISATION MANUAL DE INSTRUCCIONES ART. NR. 3.205.24 7.97 125/200 250/300/380 SX/MXC/EXC/EGS ’98 ’98 BEDIENUNGSANLEITUNG OWNER’S HANDBOOK ART. NR. 3.205.24 7.97 125/200/250/300/...

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ENGLISH 1 IMPORTANT WE STRONGLY SUGGEST THAT YOU READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE GOING ON YOUR FIRST RIDE. IT CONTAINS A GREAT DEAL OF INFORMATION AND ADVICE WHICH WILL HELP YOU USE AND HANDLE YOUR BIKE PROPERLY. IN YOUR OWN INTEREST...

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ENGLISH 2 Introduction We would like to congratulate you on your purchase of a KTM motorcycle. Let us also take this opportunity to thank you for putting your trust in us; we will not let you down. You are now owner of a sporty and modern motorcycle...

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ENGLISH 3 Page SERIAL NUMBER LOCATIONS...................................................4 Frame number........................................................................4 Engine number, engine type (125/200)...................................4 ...

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ENGLISH 4 Chassis number The chassis number is stamped on the right side of the steering head tube. Write this number into the field on page no 1. Engine number, engine type (125/200) The engine number and the engine type are stamped into the left si...

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ENGLISH 5 Hand brake lever The hand brake lever is mounted on the handle bars on the right and actuates the front wheel brake.  WARNING  IF THE RESISTANCE IN THE HAND BRAKE LEVER OR FOOT BRAKE PEDAL FEELS “SPONGY” (TOO MUCH GIVE ), THIS IS ...

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ENGLISH 6 Short circuit button (SX) The short circuit button 1 turns off the engine. When pressing this button, the ignition circuit is short-cicuited. Combination switch (EXC) The light switch has 3 switch positions. A = Light off (this function is ...

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ENGLISH 7 Filler cap To open it: turn filler cap counter-clockwise. To close it: put filler cap back on and tighten it by turning it clockwise. Install tank breather hose 1 without kinks. Refueling, fuel 125: Unleaded premium gasoline RON 98 mixed w...

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ENGLISH 8 Choke knob When pulling the choke knob 1 fully towards the top, a bore is opened in the car- buretor. Through this bore the engine can take in additional fuel. This encoure the rich fuel-air mixture, that is needed for a cold start. When pr...

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ENGLISH 9 Rebound damping of fork The rebound damping mechanism is built into the right fork tube. It only regulates the degree of damping during rebounding. By turning the adjusting screw 1 (R, REB), the degree of damping of the rebound can be adju...

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ENGLISH 10 Instructions for your first ride – Verify that your KTM dealer performed the PREPARATION OF VEHICLE jobs (see Customer Service Manual). – Thoroughly read the whole instruction manual before starting for your first tour. Additionally, y...

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ENGLISH 11 –DRIVE CAREFULLY ON UNKNOWN ROADS OR IN UNKNOWN TERRITORY. –W HEN DRIVING OFF -ROAD, ALWAYS HAVE A FRIEND ON A SECOND MOTORCYCLE TO KEEP YOU COMPANY , SO THAT YOU CAN HELP EACH OTHER SHOULD DIFFICULTIES ARISE . –R EPLACE THE HELMET ...

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ENGLISH 12 PERIODIC LUBRICATION AND MAINTENANCE SCHEDULE Check transmission oil level ● Change transmission oil ●●● Check spark plug and electrode gap ●●● Change spark plug ● Functional testing of the exhaust control system ● Check ...

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ENGLISH 13 Changing the original position of the clutch lever (125/200) The adjusting screw 1 can be used for individual adjustment of the original posi- tion of the clutch lever, thus allowing adjustment to an optimal position for every hand size. T...

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ENGLISH 14 Check chain tension – To check the chain tension, park the motorcycle. – Press chain upward at the end of the chain sliding component. The distance between chain and swing arm should be approx. 15 mm (0.6 in). In the course of this pro...

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ENGLISH 15 Chain wear In order to check the chain wear, regard the following indications: Shift the gear into idling and pull the upper chain strand with approx. 10-15 Kilo- gramm (33 lb) upwards (see figure). Now one can measure a space of 18 chain ...

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ENGLISH 16 Checking of brake fluid level - front brake The brake fluid reservoir is linked with the hand brake cylinder at the handlebar and the reservoir is provided with an inspection glass. With the reservoir in a hori- zontal position, the brake ...

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ENGLISH 17 Mount the right brake pad and fix it with the bolt. Mount the left brake pad and insert the bolt until it stops. Mount the clips. When mounting the brake pads, be sure to check for correct fit of the sliding metal-sheet 3 in the caliper s...

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ENGLISH 18 Checking the rear brake pads The brake pads can be inspected from the rear. The thickness of the linings may not be less than 1 mm (0.04 in).  WARNING  AT THEIR MOST WORN POINT BRAKE PAD LININGS SHOULD NOT BE THINNER THAN 1 MM, OTHER...

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ENGLISH 19 Dismounting and mounting the rear wheel Jack the motorcycle up on its frame so that the rear wheel no longer touches the ground. Loosen the collar nut 1, remove chain tensioner 2, hold the rear wheel and pull out the wheel spindle 3 unti...

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ENGLISH 20 Fuse (A, CH) The fuse 1 located below the seat protects the flasher system and the battery charge. Nominal current: 10 A. ! CAUTION ! N EVER USE A STRONGER FUSE. NEVER REPAIR A FUSE. IMPROPER TREATMENT CAN DESTROY THE ENTIRE ELECTRICAL SYS...

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ENGLISH 21 A mixture of 40% antifreeze liquid and 60% water is used as coolant. However, the anti-freeze protection must be at least for –25° C (–13° F). This mixture offers antifreeze protection but also good corrosion protection and should th...

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ENGLISH 22 Cleaning the air filter * The air filter must be cleaned prior to every race or whenever the motorcycle has been exposed to great quantities of dust. Turn the two quick-locking mechanisms 1 counterclockwise, pull the filter box cover forw...

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ENGLISH 23 Carburetor adjustment * Basic information on the original carburetor setting The original carburetor setting was adapted for an altitude of approx. 500 meters (1600 ft.) above sea level, and the ambient temperature of approx. 20° C (68° ...

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ENGLISH 24 Part-throttle range C Operation with partly open throttle valve. This range is only influenced by the jet needle (shape and position). The optimum part-throttle setting is controlled by the idling setting in the lower range and by the main...

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ENGLISH 25 Check transmission oil level (125/200) In order to check the transmission oil level the control screw 1 on the clutch cover is to be removed. Oil should just barely escape from the inspection opening when the motorcycle is in an upright po...

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ENGLISH 26 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 b...

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ENGLISH 27 125 SX 125 EXC 200 MXC 200 EXC Frame Central chrome-moly-steel frame Fork Marzocchi Magnum 45 Wheel travel front/rear 300/340 mm (11.8/13.4 in) Rear suspension WP Progressive Damping System shock absorber, aluminium swingarm Front brake D...

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ENGLISH 28 Engine 125 SX 125 EXC 125 EGS 200 MXC 200 EXC, EGS Design Liquid-cooled single-cylinder two-stroke engine with intake and exhaust control Piston displacement 124.8 ccm 193 ccm Bore / stroke 54.25 / 54 mm (2.136 / 2.126 in) 64 / 60 mm (2.52...

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ENGLISH 29 Piston fitting clearance 125 = 0.06 mm 200 = 0.085 mm Piston ring end cap max. 0.40 mm Connecting rod bearing - radial clearance 0.025–0.035 mm Transmission shafts end float 0.20–0.40 mm Clutch springs - length new = 39 mm, minimum ...

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ENGLISH 30 Engine 250 SX 250 EXC, MXC 300 EXC, MXC 380 SX 380 EXC, MXC Design Liquid-cooled single-cylinder two-stroke engine with KTM Twin Valve Control exhaust system and KTM Torque Chamber Piston displacement 249 ccm 297 ccm 368 ccm Bore / stroke ...

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ENGLISH 31 Piston fitting clearance 0.05 mm (250) 0.06 mm (300) 0.08 mm (380) Piston ring end gap 0.3–0.4 mm Connecting rod bearing - radial clearance 0.021–0.032 mm Transmission shafts end float 0.1–0.2 mm Clutch springs - length Ø 2....

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ENGLISH 32 Engine 250 SX 250 EXC, EGS 300 EXC, EGS 380 SX 380 EXC, EGS Design Liquid-cooled single-cylinder two-stroke engine with Twin Valve Control exhaust system and KTM Torque Chamber Piston displacement 249 ccm 297 ccm 368 ccm Bore / stroke 67.5...

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ENGLISH 33 Piston fitting clearance 0.05 mm (250) 0.06 mm (300) 0.08 mm (360) Piston ring end gap 0.3–0.4 mm Connecting rod bearing - radial clearance 0.021–0.032 mm Transmission shafts end float 0.1–0.2 mm Clutch springs - length Ø 2....

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ENGLISH 34 250/380SX 300/380 MXC 250/300/380 EXC Frame Central chrome-moly-steel frame Fork WP Extreme Ø 50 mm Wheel travel front/rear 300/340 mm (11.8/13.4 in) Rear suspension Central shock absorber (Öhlins) with PRO-LEVER linkage to swingarm Fr...

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KTM-SPORTMOTORCYCLE AG A-5230 Mattighofen • Postfach 91 • Austria Internet: http://www.ktm.co.at FN 102019 d - Landesgericht Ried im Innkreis ...