
TABLE OF CONTENTS 3
11.29 Sealing the air filter box x................................... 44
11.30 Removing the main silencer ................................. 44
11.31 Installing the main silencer.................................... 44
11.32 Changing the glass fiber yarn filling of the main
silencer x........................................................... 44
11.33 Removing the right side cover.............................. 45
11.34 Installing the right side cover ................................ 45
11.35 Removing the fuel tank x................................... 45
11.36 Installing the fuel tank x...................................... 46
11.37 Checking the chain for dirt ................................... 47
11.38 Cleaning the chain ............................................... 47
11.39 Checking the chain tension .................................. 48
11.40 Adjusting the chain tension .................................. 48
11.41 Checking the chain, rear sprocket, engine
sprocket and chain guide..................................... 49
11.42 Checking the frame x......................................... 51
11.43 Checking the swingarm x.................................. 51
11.44 Checking the routing of the throttle cable............. 51
11.45 Checking the rubber grip...................................... 52
11.46 Additionally securing the rubber grip .................... 52
11.47 Adjusting the basic position of the clutch lever ..... 52
11.48 Checking/correcting the fluid level of the
hydraulic clutch.................................................... 53
11.49 Changing the hydraulic clutch fluid x.................. 54
12 BRAKE SYSTEM .............................................................. 56
12.1 Checking the free travel of the hand brake
lever..................................................................... 56
12.2 Adjusting the basic position of the hand brake
lever..................................................................... 56
12.3 Checking the brake discs..................................... 56
12.4 Checking the front brake fluid level....................... 57
12.5 Adding front brake fluid x................................... 57
12.6 Checking the front brake linings ........................... 58
12.7 Changing the front brake linings x...................... 58
12.8 Checking the free travel of foot brake lever........... 60
12.9 Adjusting the basic position of the foot brake
lever x................................................................ 60
12.10 Checking the rear brake fluid level........................ 61
12.11 Adding brake fluid for the rear brake x............... 61
12.12 Checking the rear brake linings ............................ 62
12.13 Changing the rear brake linings x....................... 62
13 WHEELS, TIRES............................................................... 65
13.1 Removing the front wheel x............................... 65
13.2 Installing the front wheel x.................................. 65
13.3 Removing the rear wheel x................................ 66
13.4 Installing the rear wheel x................................... 67
13.5 Checking the tire condition................................... 67
13.6 Checking the tire air pressure............................... 68
13.7 Checking the spoke tension................................. 68
14 COOLING SYSTEM.......................................................... 70
14.1 Cooling system .................................................... 70
14.2 Radiator cover ..................................................... 70
14.3 Installing the radiator cover................................... 70
14.4 Removing the radiator cover ................................ 71
14.5 Checking the antifreeze and coolant level............. 71
14.6 Checking the coolant level ................................... 72
14.7 Draining the coolant x........................................ 72
14.8 Refilling with coolant x....................................... 73
15 TUNING THE ENGINE ...................................................... 75
15.1 Checking the play in the throttle cable.................. 75
15.2 Adjusting the play in the throttle cable x............. 75
15.3 Carburetor - idle................................................... 76
15.4 Carburetor - adjusting the idle speed x.............. 76
15.5 Emptying the carburetor float chamber x........... 77
15.6 Plug-in connection, ignition timing map
(125 TC EU) ......................................................... 78
15.7 Changing the ignition curve.................................. 78
15.8 Checking the basic position of the shift lever........ 78
15.9 Adjusting the basic position of the shift lever x... 79
15.10 Engine characteristic - auxiliary spring
(250 TC EU) ......................................................... 79
15.11 Engine characteristic - set the auxiliary
spring x(250 TC EU) ......................................... 79
16 SERVICE WORK ON THE ENGINE................................... 81
16.1 Checking the gear oil level.................................... 81
16.2 Changing the gear oil x...................................... 81
16.3 Draining the gear oil x........................................ 82
16.4 Refilling with gear oil x........................................ 82
16.5 Adding gear oil x................................................ 83
17 CLEANING, CARE............................................................ 85
17.1 Cleaning the motorcycle....................................... 85
18 STORAGE ........................................................................ 86
18.1 Storage................................................................ 86
18.2 Preparing for use after storage............................. 86
19 TROUBLESHOOTING ...................................................... 87
20 TECHNICAL DATA ........................................................... 89
20.1 Engine.................................................................. 89
20.1.1 125 TC EU ...................................................... 89
20.1.2 250 TC EU ...................................................... 89
20.2 Engine tightening torques..................................... 90
20.2.1 125 TC EU ...................................................... 90
20.2.2 250 TC EU ...................................................... 91
20.3 Capacities............................................................ 92
20.3.1 Gear oil............................................................ 92
20.3.2 Coolant ........................................................... 92
20.3.3 Fuel ................................................................. 92
20.4 Chassis................................................................ 92
20.5 Tires..................................................................... 93
20.6 Fork ..................................................................... 93
20.6.1 125 TC EU ...................................................... 93
20.6.2 250 TC EU ...................................................... 93
20.7 Shock absorber ................................................... 94
20.7.1 125 TC EU ...................................................... 94
20.7.2 250 TC EU ...................................................... 94
20.8 Chassis tightening torques................................... 95
20.9 Carburetor ........................................................... 96
20.9.1 125 TC EU ...................................................... 96
20.9.2 Carburetor - basic setting for sandy surfaces
(125 TC EU)..................................................... 96
20.9.3 250 TC EU ...................................................... 96
20.9.4 Carburetor - basic setting for sandy surfaces
(250 TC EU)..................................................... 96
20.10 Carburetor tuning................................................. 97
20.10.1 Carburetor tuning (125 TC EU) ........................ 97
20.10.2 Carburetor tuning (250 TC EU) ........................ 98
20.10.3 General carburetor tuning x........................... 99
21 SUBSTANCES ............................................................... 100
22 AUXILIARY SUBSTANCES ............................................. 102
23 STANDARDS.................................................................. 103
INDEX..................................................................................... 104