KTM 125 SX 2021 User Manual

TABLE OF CONTENTS
2
TABLE OF CONTENTS
1 MEANS OF REPRESENTATION ...................... 5
1.1 Symbols used .................................... 5
1.2 Formats used..................................... 5
2 SAFETY ADVICE............................................ 6
2.1 Use definition – intended use.............. 6
2.2 Misuse.............................................. 6
2.3 Safety advice..................................... 6
2.4 Degrees of risk and symbols................ 7
2.5 Tampering warning............................. 7
2.6 Safe operation ................................... 7
2.7 Protective clothing ............................. 8
2.8 Work rules......................................... 8
2.9 Environment...................................... 8
2.10 Owner's Manual ................................. 9
3 IMPORTANT NOTES.................................... 10
3.1 Manufacturer warranty, implied
warranty.......................................... 10
3.2 Fuel, auxiliary substances ................. 10
3.3 Spare parts, accessories ................... 10
3.4 Service ........................................... 10
3.5 Figures ........................................... 10
3.6 Customer service.............................. 10
4 VIEW OF VEHICLE ...................................... 11
4.1 View of vehicle, front left (example) ... 11
4.2 View of vehicle, rear right
(example)........................................ 12
5 SERIAL NUMBERS ..................................... 13
5.1 Vehicle identification number............ 13
5.2 Type label ....................................... 13
5.3 Engine number ................................ 13
5.4 Fork part number ............................. 13
5.5 Shock absorber article number .......... 14
6 CONTROLS................................................. 15
6.1 Clutch lever..................................... 15
6.2 Hand brake lever.............................. 15
6.3 Throttle grip .................................... 15
6.4 Switch-off button ............................. 15
6.5 Start button (125 XC US) ................. 16
6.6 Service hour counter ........................ 16
6.7 Opening the fuel tank filler cap ......... 16
6.8 Closing the fuel tank filler cap........... 17
6.9 Fuel tap (All SX models) ................... 18
6.10 Fuel tap (125 XC US)....................... 18
6.11 Choke ............................................. 19
6.12 Shift lever ....................................... 19
6.13 Kick starter lever.............................. 20
6.14 Foot brake lever ............................... 20
6.15 Plug-in stand (All SX models)............ 20
6.16 Side stand (125 XC US) ................... 20
7 PREPARING FOR USE................................. 22
7.1 Advice on preparing for first use ........ 22
7.2 Running in the engine ...................... 23
7.3 Starting power of lithium-ion
batteries at low temperatures
(125 XC US) ................................... 23
7.4 Preparing the vehicle for difficult
operating conditions......................... 24
7.5 Preparing the vehicle for riding on
dry sand.......................................... 24
7.6 Preparing the vehicle for riding on
wet sand ......................................... 26
7.7 Preparing the vehicle for riding on
wet and muddy circuits .................... 27
7.8 Preparing vehicle for high
temperatures or slow riding ............... 28
7.9 Preparing the vehicle for low
temperatures or snow ....................... 28
8 RIDING INSTRUCTIONS.............................. 30
8.1 Checks and maintenance measures
when preparing for use ..................... 30
8.2 Starting........................................... 30
8.3 Starting off...................................... 31
8.4 Shifting, riding ................................ 32
8.5 Applying the brakes.......................... 32
8.6 Stopping, parking............................. 33
8.7 Transporting.................................... 33
8.8 Refueling ........................................ 34
9 SERVICE SCHEDULE .................................. 36
9.1 Additional information...................... 36
9.2 Required work ................................. 36
9.3 Recommended work ......................... 37
10 TUNING THE CHASSIS ............................... 38
10.1 Checking the basic chassis setting
with rider's weight............................ 38
10.2 Air suspension XACT 5448 ............... 38
10.3 Compression damping of the shock
absorber.......................................... 39
10.4 Adjusting the low-speed
compression damping of the shock
absorber.......................................... 39
10.5 Adjusting the high-speed
compression damping of the shock
absorber.......................................... 40
10.6 Adjusting the rebound damping of
the shock absorber........................... 40
10.7 Measuring the rear wheel dimension
unloaded......................................... 41
10.8 Checking the static sag of the shock
absorber.......................................... 42
10.9 Checking the riding sag of the shock
absorber.......................................... 42

KTM 125 SX 2021 Specifications

General

Brand	KTM
Model	125 SX 2021
Category	Motorcycle
Language	English