KTM 250 SX 2019 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 and implied warranty.... 10
3.2 Operating and 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 ...................................... 12
4.1 View of vehicle, front left (example) ... 12
4.2 View of vehicle, rear right
(example)........................................ 13
5 SERIAL NUMBERS ..................................... 14
5.1 Chassis number ............................... 14
5.2 Type label ....................................... 14
5.3 Engine number ................................ 14
5.4 Fork part number ............................. 14
5.5 Shock absorber article number .......... 15
6 CONTROLS................................................. 16
6.1 Clutch lever..................................... 16
6.2 Hand brake lever.............................. 16
6.3 Throttle grip .................................... 16
6.4 Kill switch....................................... 16
6.5 Electric starter button (All XC
models)........................................... 17
6.6 Opening the filler cap....................... 17
6.7 Closing the filler cap ........................ 18
6.8 Fuel tap (All SX models) ................... 19
6.9 Fuel tap (All XC models) ................... 19
6.10 Choke ............................................. 20
6.11 Shift lever ....................................... 20
6.12 Kick starter ..................................... 21
6.13 Foot brake lever ............................... 21
6.14 Plug-in stand (All SX models)............ 21
6.15 Side stand (All XC models)................ 22
6.16 Service hour counter ........................ 22
7 PREPARING FOR USE................................. 23
7.1 Advice on first use ........................... 23
7.2 Running in the engine ...................... 24
7.3 Preparing the vehicle for difficult
operating conditions......................... 24
7.4 Preparing vehicle for rides on dry
sand ............................................... 25
7.5 Preparing vehicle for rides on wet
sand ............................................... 26
7.6 Preparing vehicle for rides on wet
and muddy circuits .......................... 27
7.7 Preparing vehicle for high
temperatures or slow riding ............... 28
7.8 Preparing vehicle for low
temperatures or snow ....................... 29
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 ............................... 39
10.1 Checking the basic chassis setting
with the rider's weight ...................... 39
10.2 Air suspension AER 48..................... 39
10.3 Compression damping of the shock
absorber.......................................... 40
10.4 Adjusting the low-speed
compression damping of the shock
absorber.......................................... 40
10.5 Adjusting the high-speed
compression damping of the shock
absorber.......................................... 41
10.6 Adjusting the rebound damping of
the shock absorber........................... 42
10.7 Measuring the rear wheel dimension
unloaded......................................... 42
10.8 Checking the static sag of the shock
absorber.......................................... 43
10.9 Checking the riding sag of the shock
absorber.......................................... 44
10.10 Adjusting the spring preload of the
shock absorber ............................. 44
10.11 Adjusting the riding sag ................ 45

KTM 250 SX 2019 Specifications

General

Displacement	249 cc
Bore x Stroke	66.4 mm x 72 mm
Starter	Kickstarter
Transmission	5-speed
Ignition	Kokusan
Ground Clearance	375 mm
Seat Height	950 mm
Engine Type	2-stroke
Clutch	Wet, multi-disc clutch
Frame Type	Central double-cradle type 25CrMo4 steel
Front Suspension	WP XACT 48 mm fork
Rear Suspension	WP XACT shock absorber with linkage
Front Brake	Disc brake, 260 mm
Rear Brake	Disc brake, 220 mm
Fuel Tank Capacity	7.5 liters