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TECHNICAL DATA - ENGINE TIGHTENING TORQUES 87

Jet, crank chamber ventilation M4 2 Nm (1.5 lbf ft)

Loctite

243™

Oil jet for alternator cooling M4 2 Nm (1.5 lbf ft)

Loctite

243™

Oil nozzle for conrod bearing lubrica-

tion

M4 2 Nm (1.5 lbf ft)

Loctite

243™

Screw, stator M4 4 Nm (3 lbf ft)

Loctite

243™

Oil jet for cam lever lubrication M5 4 Nm (3 lbf ft)

Loctite

243™

Screw, ignition pulse generator M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, locking lever M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, oil filter cover M5 6 Nm (4.4 lbf ft) –

Screw, oil pump cover, left M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, oil pump cover, right M5 6 Nm (4.4 lbf ft)

Loctite

243™

Locking screw for bearing M6 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, alternator cover M6 10 Nm (7.4 lbf ft) –

Screw, cable holder in alternator cover M6 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, clutch cover M6 10 Nm (7.4 lbf ft) –

Screw, clutch slave cylinder M6 10 Nm (7.4 lbf ft) –

Screw, clutch spring M6 10 Nm (7.4 lbf ft) –

Screw, cover plate of valve cover M6 3 Nm (2.2 lbf ft)

Loctite

243™

Screw, cylinder head M6 10 Nm (7.4 lbf ft) –

Screw, engine case M6 10 Nm (7.4 lbf ft) –

Screw, exhaust flange M6 10 Nm (7.4 lbf ft)

Loctite

243™

Screw, kickstarter stop M6 10 Nm (7.4 lbf ft)

Loctite

243™

Screw, shift drum locating M6 10 Nm (7.4 lbf ft)

Loctite

243™

Screw, shift lever M6 14 Nm (10.3 lbf ft)

Loctite

243™

Screw, timing chain securing guide M6 8 Nm (5.9 lbf ft)

Loctite

243™

Screw, timing chain tensioning rail M6 8 Nm (5.9 lbf ft)

Loctite

243™

Screw, valve cover M6 10 Nm (7.4 lbf ft) –

Screw, water pump cover M6 10 Nm (7.4 lbf ft) –

Oil jet, piston cooling M6x0.75 4 Nm (3 lbf ft)

Loctite

243™

Nut, camshaft bearing bridge M7 15 Nm (11.1 lbf ft) Lubricated with engine oil

Screw, camshaft bearing bridge M7 15 Nm (11.1 lbf ft) Lubricated with engine oil

Stud, camshaft bearing bridge M7 2 Nm (1.5 lbf ft)

Loctite

243™

Plug, crankshaft location M8 20 Nm (14.8 lbf ft) –

Screw, kickstarter M8 25 Nm (18.4 lbf ft)

Loctite

243™

Screw, timing chain guide rail M8 10 Nm (7.4 lbf ft)

Loctite

243™

Screw, cylinder head M10 Tightening sequence:

Tighten diagonally, begin-

ning with the rear screw on

the chain shaft.

Step 1

40 Nm (29.5 lbf ft)

Step 2

50 Nm (36.9 lbf ft)

Lubricated with engine oil

Screw, engine sprocket M10 60 Nm (44.3 lbf ft)

Loctite

243™

Spark plug M10 10… 12 Nm (7.4…

8.9 lbf ft)

–

Rotor screw M10x1 70 Nm (51.6 lbf ft) Thread, oiled with engine

oil/cone degreased

Screw, unlocking of timing chain ten-

sioner

M10x1 10 Nm (7.4 lbf ft) –

Screw, camshaft gear M12x1 80 Nm (59 lbf ft)

Loctite

243™

Engine coolant temperature sensor M12x1.5 12 Nm (8.9 lbf ft) –

Oil drain plug with magnet M12x1.5 20 Nm (14.8 lbf ft) –

Plug, oil pressure regulator valve M12x1.5 20 Nm (14.8 lbf ft) –

Brand	KTM
Model	250 SX-F EU
Category	Motorcycle
Language	English

KTM 250 SX-F EU User Manual

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