KTM 125SX User Manual

ENGLISH
3
Page
SERIAL NUMBER LOCATIONS . . . . . . . . . . . . . . . . . . . . . .4
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Engine number, engine type (125/200) . . . . . . . . . . . . . .4
Engine number, engine type (250/300/380) . . . . . . . . . .4
OPERATION INSTRUMENTS . . . . . . . . . . . . . . . . . . . . . . .4
Clutch lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Hand brake lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Digital speedometer, indicator lamp (EXC) . . . . . . . . . . .5
Digital speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Odometer (EXC USA) . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Speedometer, indicator lamps (EXC - Australia) . . . . . . . .5
Short circuit button (SX) . . . . . . . . . . . . . . . . . . . . . . . . .5
Combination switch (EXC) . . . . . . . . . . . . . . . . . . . . . . . .6
Headlamp switch (EXC USA) . . . . . . . . . . . . . . . . . . . . . .6
Flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Emergency OFF switch (Australia) . . . . . . . . . . . . . . . . . .6
Filler cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Refueling, fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Fuel tap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Choke knob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Kickstarter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Foot brake pedal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Compression damping of fork . . . . . . . . . . . . . . . . . . . . .8
Rebound damping of fork . . . . . . . . . . . . . . . . . . . . . . . .8
Compression damping of shock absorber . . . . . . . . . . . .9
Rebound damping of shock absorber . . . . . . . . . . . . . . .9
Steering lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Side stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
DRIVING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . .10
PERIODIC LUBRICATION- AND MAINTENANCE-SCHEDULE . .12
MAINTENANCE WORK ON CHASSIS AND ENGINE . . . . .14
Changing the original position of the clutch lever . . . . . . .14
Checking and adjusting the steering head bearing . . . . .14
Breather plug front fork . . . . . . . . . . . . . . . . . . . . . . . . .15
Cleaning the dust sleeves of the telescopic fork . . . . . . .15
How to change the handlebar position . . . . . . . . . . . . .15
Changing the spring preloading of the shock absorber .16
Pivot bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Check chain tension . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Correct chain tension . . . . . . . . . . . . . . . . . . . . . . . . . .17
Chain maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Chain wear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
General informations about KTM disc brakes . . . . . . . .18
Adjusting of free travel at the hand brake lever . . . . . . .18
Checking of brake fluid level - front brake . . . . . . . . . . .19
Page
Refilling the front brake fluid reservoir . . . . . . . . . . . . .19
Checking the front brake pads . . . . . . . . . . . . . . . . . . .19
Replacing the front brake pads . . . . . . . . . . . . . . . . . . .19
Changing the basic position of the foot brake pedal . . .20
Checking rear brake fluid level . . . . . . . . . . . . . . . . . . .20
Refilling the rear brake fluid reservoir . . . . . . . . . . . . . .20
Checking the rear brake pads . . . . . . . . . . . . . . . . . . . .21
Replacing the rear brake pads . . . . . . . . . . . . . . . . . . .21
Dismounting and mounting the front wheel . . . . . . . . .21
Dismounting and mounting the rear wheel . . . . . . . . .22
Tires, air pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Checking spoke tension . . . . . . . . . . . . . . . . . . . . . . . .23
Replacing the battery of the digital speedometer . . . . .23
Adjustin digital speedometer . . . . . . . . . . . . . . . . . . . .25
Check/set distance of magnetic sensor . . . . . . . . . . . . .25
Replacing head light lamp (H4) . . . . . . . . . . . . . . . . . .26
Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Radiator cover for the cold season . . . . . . . . . . . . . . . .27
Checking the coolant level . . . . . . . . . . . . . . . . . . . . . .27
Refilling / Bleeding the cooling system . . . . . . . . . . . . .27
Cleaning the air filter . . . . . . . . . . . . . . . . . . . . . . . . . .28
Exhaust system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Cleaning the spark arrestor (EXC USA) . . . . . . . . . . . . .28
Draining of float chamber of the carburetor . . . . . . . . .28
Carburetor adjustment . . . . . . . . . . . . . . . . . . . . . . . . .29
Checking the float level . . . . . . . . . . . . . . . . . . . . . . . .30
Checking the oil level of the hydraulic clutch . . . . . . . .30
Bleeding of the hydraulic clutch . . . . . . . . . . . . . . . . . .30
Check transmission oil level (125/200) . . . . . . . . . . . . .31
Changing the transmission oil (125/200) . . . . . . . . . . .31
Check transmission oil level (250/300/380) . . . . . . . . .31
Changing the transmission oil (250/300/380) . . . . . . .31
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
CONSERVATION FOR WINTER OPERATION . . . . . . . . .32
STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
RE Iniation After Time of storage . . . . . . . . . . . . . . . . .32
TECHNICAL SPECIFICATIONS - CHASSIS (125/200) . . . .33
TECHNICAL SPECIFICATIONS - ENGINE (125/200) . . . . . . . . .34
TECHNICAL SPECIFICATIONS - CHASSIS (250/300/380) . .36
TECHNICAL SPECIFICATIONS - ENGINE (250/300/380)
Only USA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
TECHNICAL SPECIFICATIONS - ENGINE (250/300/380)
All models out of USA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Head Word Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
WIRING DIAGRAMME, CARBURETOR SETTING . . .Appendix
INDEX

KTM 125SX Specifications

General

Brand	KTM
Model	125SX
Category	Motorcycle
Language	English