KTM 250 SX 2019 Owner's Manual page 6

TABLE OF CONTENTS
15.2
15.3
15.4
15.5
16 TUNING THE ENGINE............................... 110
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
16.10 Engine characteristic - auxiliary
16.11 Engine characteristic - adjusting
17 SERVICE WORK ON THE ENGINE .............. 120
17.1
17.2
17.3
17.4
18 CLEANING, CARE ..................................... 124
18.1
19 STORAGE ................................................. 126
19.1
19.2
20 TROUBLESHOOTING ................................ 128
21 TECHNICAL DATA..................................... 130
21.1
21.1.1
21.1.2
21.1.3
21.2
21.2.1
21.2.2
21.3
21.3.1
21.3.2
4
Checking the antifreeze and
coolant level .................................. 105
Checking the coolant level .............. 106
Draining the coolant ................... 107
Refilling with coolant .................. 108
Checking the play in the throttle
cable ............................................ 110
Adjusting the play in the throttle
cable ......................................... 110
Carburetor setting .......................... 111
Carburetor - idle ............................ 113
Carburetor - adjusting the idle
speed ........................................ 114
Plug-in connector of ignition timing
map adjustment............................. 115
Changing the ignition timing map .... 116
Checking the basic position of the
shift lever...................................... 116
Adjusting the basic position of the
shift lever .................................. 116
spring ........................................... 117
the auxiliary spring ..................... 117
Emptying the carburetor float
chamber .................................... 120
Checking the gear oil level .............. 121
Changing the gear oil .................. 121
Adding gear oil ........................... 122
Cleaning the motorcycle ................. 124
Storage ......................................... 126
Preparing for use after storage......... 127
Engine .......................................... 130
All SX models ............................ 130
250 XC US ............................... 130
300 XC US ............................... 131
Engine tightening torques ............... 132
All SX models ............................ 132
All XC models ............................ 133
Carburetor ..................................... 135
All SX models ............................ 135
Carburetor tuning (All SX
models) .................................... 135
21.3.3 Carburetor - basic setting for
sandy surfaces (All SX models).... 136
21.3.4 250 XC US ............................... 137
21.3.5 Carburetor tuning (250 XC US) ... 137
21.3.6 300 XC US ............................... 139
21.3.7 Carburetor tuning
(300 XC US)
21.4 Capacities ..................................... 140
21.4.1 Gear oil..................................... 140
21.4.2 Coolant ..................................... 140
21.4.3 Fuel ......................................... 140
21.5 Chassis ......................................... 140
21.6 Electrical system............................ 141
21.7 Tires ............................................. 141
21.8 Fork.............................................. 141
21.8.1 250 SX EU ............................... 141
21.8.2 250 SX US ............................... 142
21.8.3 All XC models ............................ 142
21.9 Shock absorber .............................. 143
21.9.1 250 SX EU ............................... 143
21.9.2 250 SX US ............................... 143
21.9.3 All XC models ............................ 144
21.10 Chassis tightening torques .............. 145
22 SUBSTANCES .......................................... 147
23 AUXILIARY SUBSTANCES ......................... 149
24 STANDARDS ............................................ 151
25 LIST OF ABBREVIATIONS.......................... 152
INDEX ............................................................. 153
.......................... 139