
TABLE OF CONTENTS 5
11.13 Checking the chain, rear sprocket, and engine
sprocket............................................................ 89
11.14 Removing the front spoiler .................................. 93
11.15 Fitting front spoiler ............................................ 94
12 BRAKE SYSTEM ........................................................... 95
12.1 Antilock Braking System (ABS) (125 Duke) .......... 95
12.2 Checking the brake discs .................................... 96
12.3 Checking the brake fluid level of the front brake ... 97
12.4 Adding front brake fluid .................................. 98
12.5 Checking the front brake linings .......................... 99
12.6 Checking the free travel of foot brake lever ......... 100
12.7 Adjusting the free travel of the foot brake
lever ............................................................ 101
12.8 Checking the rear brake fluid level..................... 102
12.9 Adding rear brake fluid ................................. 104
12.10 Checking the rear brake linings ......................... 105
13 WHEELS, TIRES ......................................................... 107
13.1 Removing the front wheel .............................. 107
13.2 Installing the front wheel .............................. 108
13.3 Removing the rear wheel ............................... 111
13.4 Installing the rear wheel ................................ 113
13.5 Checking the rear hub rubber dampers ........... 117
13.6 Checking the tire condition ............................... 118
13.7 Checking the tire air pressure............................ 119
14 ELECTRICAL SYSTEM ................................................. 121
14.1 Removing the battery .................................... 121
14.2 Installing the battery ..................................... 122
14.3 Recharging the battery .................................. 123
14.4 Changing the ABS fuses (125 Duke).................. 126
14.5 Changing the fuses of individual power
consumers....................................................... 127
14.6 Changing the headlight bulb ............................. 131
14.7 Changing the parking light bulb......................... 134
14.8 Checking the headlight setting .......................... 137
14.9 Adjusting the headlight range............................ 138
15 COOLING SYSTEM ...................................................... 141
15.1 Cooling system ................................................ 141
15.2 Checking the antifreeze and coolant level........... 142
15.3 Checking the coolant level ................................ 144
15.4 Draining the coolant ..................................... 146
15.5 Filling/bleeding the cooling system ................. 147
16 TUNING THE ENGINE................................................. 149
16.1 Checking the play in the throttle cable ............... 149
16.2 Adjusting the play in the throttle cable ........... 150
16.3 Checking the clutch lever play........................... 150
16.4 Adjusting the clutch cable play ...................... 151
17 SERVICE WORK ON THE ENGINE ................................ 152
17.1 Checking the engine oil level............................. 152
17.2 Changing the engine oil and oil filter, cleaning
the oil screen ............................................... 152
17.3 Adding engine oil............................................. 155
18 CLEANING, CARE ....................................................... 157
18.1 Cleaning the motorcycle ................................... 157
18.2 Checks and maintenance steps for winter
operation......................................................... 159
19 STORAGE................................................................... 161
19.1 Storage ........................................................... 161
19.2 Preparing for use after storage........................... 162
20 TROUBLESHOOTING .................................................. 163