KTM 250 SX-F 2021 Owner's Manual page 140

22 TECHNICAL DATA
Screw, shift drum locating
Screw, shift lever
Screw, starter motor
Screw, timing chain failure protec-
tion
Screw, valve cover
Screw, water pump cover
Stud, cylinder head
Screw, camshaft bearing bridge
Crankshaft clamp screw plug
Screw, tensioning rail
Screw, engine sprocket
Plug, oil channel
Screw plug, cam lever axis
Screw, rotor
Screw, unlocking of timing chain
tensioner
Spark plug
Coolant temperature sensor
Nut, cylinder head
Stud, cylinder head
Oil drain plug with magnet
Screw plug, oil pressure control
valve
Oil drain plug
Nut, inner clutch hub
Nut, primary gear wheel
Screw plug, oil screen
138
M6
M6
M6
M6
M6
M6
M6
M7x1
M8
M8
M10
M10x1
M10x1
M10x1
M10x1
M10x1
M10x1.25
M10x1.25
M10x1.25
M12x1.5
M12x1.5
M14x1.5
M18x1.5
M18LHx1.5
M20x1.5
10 Nm (7.4 lbf ft)
Loctite
14 Nm (10.3 lbf ft)
Loctite
10 Nm (7.4 lbf ft)
10 Nm (7.4 lbf ft)
Loctite
8 Nm (5.9 lbf ft)
10 Nm (7.4 lbf ft)
10 Nm (7.4 lbf ft)
Tightening sequence:
Tighten diagonally.
1st tightening stage
5 Nm (3.7 lbf ft)
2nd tightening stage
14 Nm (10.3 lbf ft)
Lubricated with engine oil
10 Nm (7.4 lbf ft)
15 Nm (11.1 lbf ft)
Loctite
60 Nm (44.3 lbf ft)
Loctite
15 Nm (11.1 lbf ft)
Loctite
10 Nm (7.4 lbf ft)
70 Nm (51.6 lbf ft)
Collar and thread oiled / cone
degreased
8 Nm (5.9 lbf ft)
12 Nm (8.9 lbf ft)
12 Nm (8.9 lbf ft)
Tightening sequence:
Tighten diagonally.
1st tightening stage
10 Nm (7.4 lbf ft)
2nd tightening stage
30 Nm (22.1 lbf ft)
3rd tightening stage
180°
20 Nm (14.8 lbf ft)
Loctite
20 Nm (14.8 lbf ft)
20 Nm (14.8 lbf ft)
15 Nm (11.1 lbf ft)
100 Nm (73.8 lbf ft)
Loctite
120 Nm (88.5 lbf ft)
Loctite
15 Nm (11.1 lbf ft)
® 243™
® 243™
® 243™
® 243™
® 243™
® 243™
® 243™
® 243™
® 243™