KTM 125 SX 2018 Owner's Manual page 5

TABLE OF CONTENTS
11.27 Securing the air filter box cover
11.28 Sealing the air filter box
11.29 Removing the main silencer ............................. 51
11.30 Installing the main silencer.............................. 51
11.31 Changing the glass fiber yarn filling in the
main silencer
11.32 Removing the fuel tank
11.33 Installing the fuel tank
11.34 Checking the chain for dirt............................... 54
11.35 Cleaning the chain .......................................... 54
11.36 Checking the chain tension .............................. 55
11.37 Adjusting the chain tension.............................. 55
11.38 Checking the chain, rear sprocket, engine
sprocket, and chain guide ................................ 56
11.39 Checking the frame
11.40 Checking the swingarm
11.41 Checking the throttle cable routing ................... 58
11.42 Checking the rubber grip ................................. 59
11.43 Adjusting basic position of clutch lever ............. 59
11.44 Checking/correcting the fluid level of the
hydraulic clutch.............................................. 59
11.45 Changing the hydraulic clutch fluid
12 BRAKE SYSTEM ........................................................ 62
12.1 Checking the free travel of the hand brake
lever .............................................................. 62
12.2 Adjusting the basic position of the hand brake
lever .............................................................. 62
12.3 Checking the brake discs ................................. 62
12.4 Checking the front brake fluid level .................. 63
12.5 Adding front brake fluid
12.6 Checking the front brake linings ....................... 64
12.7 Changing the front brake linings
12.8 Checking the free travel of foot brake lever ........ 66
12.9 Adjusting the basic position of the foot brake
lever ........................................................... 66
12.10 Checking the rear brake fluid level.................... 67
12.11 Adding rear brake fluid
12.12 Checking the rear brake linings ........................ 68
12.13 Changing the rear brake linings
13 WHEELS, TIRES ........................................................ 71
13.1 Removing the front wheel
13.2 Installing the front wheel
13.3 Removing the rear wheel
13.4 Installing the rear wheel
13.5 Checking the tire condition .............................. 74
13.6 Checking the tire air pressure........................... 74
13.7 Checking spoke tension ................................... 74
14 COOLING SYSTEM ..................................................... 76
14.1 Cooling system ............................................... 76
14.2 Radiator cover ................................................ 76
14.3 Installing the radiator cover.............................. 76
14.4 Removing the radiator cover ............................. 77
14.5 Checking the antifreeze and coolant level .......... 77
14.6 Checking the coolant level ............................... 78
14.7 Draining the coolant
14.8 Refilling with coolant
15 TUNING THE ENGINE................................................ 80
15.1 Checking the play in the throttle cable .............. 80
15.2 Adjusting the play in the throttle cable
15.3 Carburetor setting ........................................... 81
Carburetor - idle ............................................. 83
15.4
Carburetor - adjusting the idle speed
15.5
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15.6 Plug-in connector of ignition timing map
adjustment..................................................... 84
15.7 Changing the ignition timing map ..................... 84
15.8 Checking the basic position of the shift lever ..... 84
15.9 Adjusting the basic position of the shift
lever ........................................................... 84
16 SERVICE WORK ON THE ENGINE ............................... 85
16.1 Emptying the carburetor float chamber
16.2 Checking the gear oil level ............................... 85
16.3 Changing the gear oil
16.4 Adding gear oil
17 CLEANING, CARE ...................................................... 88
17.1 Cleaning the motorcycle .................................. 88
18 STORAGE .................................................................. 89
18.1 Storage .......................................................... 89
18.2 Preparing for use after storage.......................... 89
19 TROUBLESHOOTING ................................................. 90
20 TECHNICAL DATA...................................................... 92
20.1 Engine ........................................................... 92
20.1.1 All 125 models........................................... 92
20.1.2 All 150 models........................................... 92
20.2 Engine tightening torques ................................ 93
20.3 Carburetor ...................................................... 94
20.3.1 All 125 models........................................... 94
20.3.2 Carburetor - basic setting for sandy surfaces
(All 125 models) ........................................ 94
20.3.3 Carburetor tuning (All 125 models) .............. 95
20.3.4 All 150 models........................................... 96
20.3.5 Basic carburetor setting for sandy surfaces
(All 150 models) ........................................ 96
20.3.6 Carburetor tuning (All 150 models) .............. 97
20.4 Capacities ...................................................... 98
20.4.1 Gear oil...................................................... 98
20.4.2 Coolant ...................................................... 98
20.4.3 Fuel .......................................................... 98
20.5 Chassis .......................................................... 98
20.6 Tires .............................................................. 99
20.7 Fork............................................................... 99
20.7.1 125/150 SX EU.......................................... 99
20.7.2 125/150 SX US.......................................... 99
20.8 Shock absorber ............................................. 100
20.8.1 125/150 SX EU........................................ 100
20.8.2 125/150 SX US........................................ 100
20.9 Chassis tightening torques ............................. 101
21 SUBSTANCES ......................................................... 103
22 AUXILIARY SUBSTANCES ........................................ 105
23 STANDARDS ........................................................... 107
24 LIST OF ABBREVIATIONS......................................... 108
INDEX ............................................................................ 109
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