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KTM 125 SX 2004 User Manual

KTM 125 SX 2004
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ENGLISH
54
Page
Activating/deactivating the display modes . . . . . . . . . . . .9
Adjusting the free travel at the hand brake lever . . . . . .32
Adjusting the spring preload on the fork (SX) . . . . . . . .28
Basic suspension setup for the weight of the driver . . . .26
Bleeding of the hydraulic clutch . . . . . . . . . . . . . . . . . . .40
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Breather plug front fork . . . . . . . . . . . . . . . . . . . . . . . . .25
Carburetor adjustment . . . . . . . . . . . . . . . . . . . . . . . . .41
Chain maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Chain wear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Changing the original position of the clutch lever . . . . .40
Changing the spring preload on the telescopic fork
(MXC/EXC models) . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Changing the spring preload on the telescopic fork (SX
models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Changing the spring preloading of the shock absorber .28
Changing the transmission oil (125/200) . . . . . . . . . . . .44
Changing the transmission oil (250/300) . . . . . . . . . . . .44
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Check chain tension . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Check transmission oil level (125/200) . . . . . . . . . . . . .44
Check transmission oil level (250/300) . . . . . . . . . . . . .44
Check/set distance of the magnetic sensor . . . . . . . . . .37
Checking and adjusting the steering head bearing . . . . .24
Checking spoke tension . . . . . . . . . . . . . . . . . . . . . . . . .36
Checking the basic setup of the telescopic fork . . . . . . .27
Checking the brake fluid level - front brake . . . . . . . . . .32
Checking the coolant level . . . . . . . . . . . . . . . . . . . . . . .38
Checking the float level . . . . . . . . . . . . . . . . . . . . . . . . .42
Checking the front brake pads . . . . . . . . . . . . . . . . . . . .32
Checking the oil level of the hydraulic clutch . . . . . . . .40
Checking the rear brake pads . . . . . . . . . . . . . . . . . . . .34
Checking the shock absorber and spring . . . . . . . . . . . .26
Choke knob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Cleaning the dust sleeves of the telescopic fork . . . . . . .25
Cleaning the spark arrestor (EXC USA) . . . . . . . . . . . . .41
Clutch lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Combination switch (EXC) . . . . . . . . . . . . . . . . . . . . . . .11
Compression damping of fork . . . . . . . . . . . . . . . . . . . .14
Compression damping of shock absorber (MXC, EXC) . .15
Conservation for winter operation . . . . . . . . . . . . . . . . .45
Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Correct chain tension . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Damping action during compression of shock absorber (SX) 14
Determining the riding sag of the shock absorber . . . . .26
Determining the static sag of the shock absorber . . . . . .26
Dismounting and mounting the front wheel . . . . . . . . .34
Dismounting and mounting the rear wheel . . . . . . . . . .35
Draining the float chamber of the carburetor . . . . . . . . .42
Driving instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Electronic speedometer . . . . . . . . . . . . . . . . . . . . . . . . . .6
Electronic speedometer, indicator lamp (EXC) . . . . . . . . .6
Emergency OFF switch (Australia) . . . . . . . . . . . . . . . . .11
Page
Engine characteristic 250/300 SX/MXC/EXC . . . . . . . . .43
Engine number, engine type . . . . . . . . . . . . . . . . . . . . . .5
Exhaust system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Filler cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Foot brake pedal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Fuel tap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
General information about KTM disc brakes . . . . . . . . .31
General tips and warnings for starting the motorcycle . .16
Hand brake lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Headlamp switch (EXC USA) . . . . . . . . . . . . . . . . . . . . .11
How to change the handlebar position . . . . . . . . . . . . .25
Instructions for your first ride . . . . . . . . . . . . . . . . . . . . .16
Important warranty and guarantee information . . . . . . . . . . .3
Kickstarter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Kilometers or miles . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Maintenance work on chassis and engine . . . . . . . . . . . .24
Operation instruments . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Periodic maintenance schedule . . . . . . . . . . . . . . . . . . . .20
Pivot bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Radiator cover for the cold season . . . . . . . . . . . . . . . . .38
Rebound damping of fork . . . . . . . . . . . . . . . . . . . . . . .14
Rebound damping of shock absorber (SX, MXC, EXC) . .15
Refilling the front brake fluid reservoir . . . . . . . . . . . . . .32
Refilling/Bleeding the cooling system . . . . . . . . . . . . . .39
Refueling, fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Replacing fork springs . . . . . . . . . . . . . . . . . . . . . . . . . .27
Replacing the battery of the digital speedometer . . . . . .36
Replacing the front brake pads . . . . . . . . . . . . . . . . . . .33
Replacing the headlight lamp/parking light lamp . . . . . .37
Replacing the rear brake pads . . . . . . . . . . . . . . . . . . . .34
Running in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Serial number locations . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Setting the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Shifting/Riding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Short circuit button (SX) . . . . . . . . . . . . . . . . . . . . . . . .11
Side stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Starting off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Starting when the engine is cold . . . . . . . . . . . . . . . . . .18
Starting when the engine is warm . . . . . . . . . . . . . . . . .18
Steering lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Stopping and parking . . . . . . . . . . . . . . . . . . . . . . . . . .19
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Technical data – engine 250/300 2004 . . . . . . . . . . . .52
Technical data – engine 125/200 2004 . . . . . . . . . . . .48
Technical specifications – chassis 125/200 2004 . . . . . . . . .46
Technical specifications – chassis
250/300 2004 . . . . . . . .50
Tires, air pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Tripmaster switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Use after a period of storage . . . . . . . . . . . . . . . . . . . . .45
What to do when the engine is “flooded” . . . . . . . . . . .18
What you should check before each start . . . . . . . . . . .17
Wiring diagram, carburetor setting . . . . . . . . . . . .appendix
INDEX

Table of Contents

Questions and Answers:

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KTM 125 SX 2004 Specifications

General IconGeneral
Engine TypeSingle-cylinder, 2-stroke
Displacement124.8 cc
Cooling SystemLiquid-cooled
StarterKickstarter
Transmission6-speed
Front SuspensionWP USD 48 mm
Rear SuspensionWP PDS shock absorber
Front BrakeSingle 260 mm disc
Rear BrakeSingle 220 mm disc
Front Tire80/100-21
Rear Tire100/90-19
Seat Height925 mm
Ground Clearance385 mm
Dry Weight88 kg
Bore x Stroke54 mm x 54.5 mm
IgnitionKokusan digital
Wheelbase1, 471 mm
Fuel Capacity7.5 liters
Fuel SystemCarburetor
FrameChromium-Molybdenum steel central-tube frame

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