Technical Data 23; Engine; Engine Tightening Torques - KTM 150 XC-W 2023 Owner's Manual

23.1

Engine

Design
Displacement
Stroke
Bore
Idle speed
Exhaust valve - Beginning of adjustment
Crankshaft bearing
Conrod bearing
Piston pin bearing
Pistons
Piston rings
Engine lubrication
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
23.2

Engine tightening torques

Screw, inner membrane sheets
Screw, membrane support plate
Screw, outer membrane sheets
Screw, angle lever, exhaust control
Screw, clutch spring retainer
Screw, crankshaft speed sensor
Screw, exhaust control cover
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
6,300 rpm
1 grooved ball bearing/1 roller bearing
Needle bearing
Needle bearing
Cast aluminum
1 rectangular ring, 1 half keystone ring
Separate lubrication
0 ... 0.10 mm (0 ... 0.0039 in)
37.5 mm (1.476 in)
23:73
Multidisc clutch in oil bath/hydraulically activated
6-gear transmission, claw shifted
12:33
15:31
17:28
19:26
21:25
20:20
12 V, 168 W
Contactless controlled fully electronic ignition with
digital ignition adjustment
NGK GR8DI‑12
1.20 mm (0.0472 in)
Water cooling, permanent circulation of coolant by
water pump
Electric starter system and kick starter system
EJOTDELTA PT ® 35x25
EJOTDELTA PT
® 30x12
EJOTDELTA PT ®
30x6
M5
M5
M5
M5

TECHNICAL DATA 23

1 Nm (0.7 lbf ft)
1 Nm (0.7 lbf ft)
1 Nm (0.7 lbf ft)
6 Nm (4.4 lbf ft)
Loctite
6 Nm (4.4 lbf ft)
6 Nm (4.4 lbf ft)
Loctite
4 Nm (3 lbf ft)
® 243™
® 243™
155