22 Technical Data; Engine; Xc-W Eu; Xc-W Us - KTM 150 XC-W 2018 Owner's Manual

22 TECHNICAL DATA

22.1
22.1.1
Design
Displacement
Stroke
Bore
Idle speed
Crankshaft bearing
Conrod bearing
Piston pin bearing
Pistons
Piston rings
X (upper edge of piston to upper edge of cylinder)
Z (height of control flap)
Primary transmission
Clutch
Gearbox
Transmission ratio
First gear
Second gear
Third gear
Fourth gear
Fifth gear
Sixth gear
Alternator
Ignition
Spark plug
Spark plug electrode gap
Cooling
Starting aid
22.1.2
Design
Displacement
Stroke
Bore
Idle speed
Crankshaft bearing
Conrod bearing
Piston pin bearing
138

Engine

125 XC‑W EU
150 XC‑W US
1-cylinder 2-stroke engine, water-cooled, with reed
intake and exhaust control
124.8 cm³ (7.616 cu in)
54.5 mm (2.146 in)
54 mm (2.13 in)
1,400 ... 1,500 rpm
1 grooved ball bearing/1 roller bearing
Needle bearing
Needle bearing
Cast aluminum
2 half keystone rings
0 ... 0.10 mm (0 ... 0.0039 in)
36.5 mm (1.437 in)
23:73
Multidisc clutch in oil bath/hydraulically activated
6-gear, claw shifted
12:33
15:31
17:28
19:26
21:25
20:20
12 V, 75 W
Contactless controlled fully electronic ignition with
digital ignition adjustment, type Kokusan
NGK BR9 ECMVX
0.60 mm (0.0236 in)
Water cooling, permanent circulation of coolant by
water pump
Kick starter
1-cylinder 2-stroke engine, water-cooled, with reed
intake and exhaust control
144 cm³ (8.79 cu in)
54.5 mm (2.146 in)
58 mm (2.28 in)
1,400 ... 1,500 rpm
1 grooved ball bearing/1 roller bearing
Needle bearing
Needle bearing