KTM 125 Duke Owner's Manual page 172

21 TECHNICAL DATA
Valve clearance, intake, cold
Valve clearance, exhaust, cold
Crankshaft bearing
Conrod bearing
Pistons
Piston rings
Engine lubrication
Primary transmission
Clutch
Transmission
Transmission ratio
1st gear
2nd gear
3rd gear
4th gear
5th gear
6th gear
Mixture preparation
Ignition
Alternator
Spark plug
Spark plug electrode gap
Spark plug
Spark plug electrode gap
0.08... 0.12 mm (0.0031... 0.0047 in)
0.13... 0.17 mm (0.0051... 0.0067 in)
Two ball bearings
Sleeve bearing
Cast light alloy
1 L-ring, 1 tapered compression piston ring, 1 oil scraper ring
Pressure circulation lubrication with one rotary pump
22:72
Clutch in oil bath/mechanically activated
6-gear, claw shifted
12:34
15:31
18:28
21:26
22:23
24:22
Electronically controlled fuel injection
Contactless controlled fully electronic ignition with digital ignition
adjustment
12 V, 238 W
BOSCH VR 5 NE
0.8 mm (0.031 in)
BOSCH Super R6 VR 5 NEW
1 mm (0.04 in)
170