KTM 125 EXC User Manual

TABLE OF CONTENTS 4
17.3 Carburetor - idle............................................ 106
17.4 Carburetor - adjusting the idle speed ........... 107
17.5 Emptying the carburetor float chamber ........ 108
17.6 Checking the basic position of the shift lever ... 109
17.7 Adjusting the basic position of the shift
lever ......................................................... 109
17.8 Engine characteristic - auxiliary spring
(All 250/300 models).................................... 109
17.9 Engine characteristic - setting the auxiliary
spring (All 250/300 models) ...................... 109
18 SERVICE WORK ON THE ENGINE ............................. 111
18.1 Checking the gear oil level ............................. 111
18.2 Changing the gear oil ................................. 111
18.3 Draining the gear oil .................................. 112
18.4 Refilling with gear oil ................................. 112
18.5 Adding gear oil .......................................... 113
19 CLEANING, CARE .................................................... 115
19.1 Cleaning the motorcycle ................................ 115
19.2 Checks and maintenance steps for winter
operation...................................................... 116
20 STORAGE................................................................ 117
20.1 Storage ........................................................ 117
20.2 Preparing for use after storage........................ 117
21 TROUBLESHOOTING ............................................... 118
22 TECHNICAL DATA.................................................... 120
22.1 Engine ......................................................... 120
22.1.1 All 125 models......................................... 120
22.1.2 All 200 models......................................... 120
22.1.3 All 250 models......................................... 121
22.1.4 All 300 models......................................... 121
22.2 Engine tightening torques .............................. 122
22.2.1 All 125/200 models.................................. 122
22.2.2 All 250/300 models.................................. 123
22.3 Capacities .................................................... 124
22.3.1 Gear oil.................................................... 124
22.3.2 Coolant.................................................... 124
22.3.3 Fuel ........................................................ 124
22.4 Chassis ........................................................ 124
22.5 Electrical system........................................... 125
22.6 Tires............................................................ 126
22.7 Fork............................................................. 126
22.7.1 125 EXC EU, all 200 models..................... 126
22.7.2 250/300 EXC EU/AU, XC-W US,
300 EXC BR ............................................ 126
22.7.3 125 EXC Six Days EU ............................... 127
22.7.4 250/300 Six Days..................................... 127
22.8 Shock absorber............................................. 128
22.8.1 All 125/200 models.................................. 128
22.8.2 All 250/300 models.................................. 128
22.9 Chassis tightening torques ............................. 129
22.10 Carburetor.................................................... 131
22.10.1 All 125 models......................................... 131
22.10.2 200 EXC EU ............................................ 131
22.10.3 200 EXC AU ............................................ 131
22.10.4 200 XC‑W US........................................... 131
22.10.5 250 EXC EU, 250 EXC Six Days EU ........... 132
22.10.6 250 EXC AU ............................................ 132
22.10.7 250 XC‑W US........................................... 132
22.10.8 300 EXC EU, 300 EXC Six Days EU ........... 132
22.10.9 300 EXC AU ............................................ 133
22.10.10 300 EXC BR ............................................ 133
22.10.11 300 XC‑W US, 300 XC‑W Six Days US........ 133
23 CARBURETOR TUNING............................................ 134
23.1 Carburetor tuning (All 125 models) ............. 134
23.2 Carburetor tuning (All 200 models) ............. 135
23.3 Carburetor tuning (All 200 models) ............. 136
23.4 Carburetor tuning (All 250 models) ............. 137
23.5 Carburetor tuning (All 300 EXC EU/AU/Six
Days, 300 XC-W US/Six Days) .................... 138
23.6 Carburetor tuning (300 EXC BR) ................. 139
23.7 General carburetor tuning ........................... 140
24 SUBSTANCES ......................................................... 141
25 AUXILIARY SUBSTANCES ........................................ 144
26 STANDARDS ........................................................... 146
27 LIST OF ABBREVIATIONS......................................... 147
28 LISY OF SYMBOLS................................................... 148
28.1 Yellow and orange symbols............................. 148
28.2 Green and blue symbols................................. 148
INDEX ............................................................................ 149

KTM 125 EXC Specifications

General

Displacement	124.8 cc
Bore x Stroke	54 mm x 54.5 mm
Starter	Kickstarter
Transmission	6-speed
Rear Suspension	WP Xplor PDS shock absorber
Ground Clearance	370 mm
Seat Height	960 mm
Fuel System	Carburetor
Cooling	Liquid cooled
Engine Type	Single cylinder, 2-stroke
Front Suspension	WP Xplor 48
Front Brake	Disc brake
Rear Brake	Disc brake
Frame	Central double-cradle type in chrome molybdenum steel