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TECHNICAL DATA - ENGINE TIGHTENING TORQUES 193

Plug, clutch lubrication M10 15 Nm (11.1 lbf ft) –

Stud, cylinder head in engine case M10 20 Nm (14.8 lbf ft) –

Oil pressure sensor M10x1 10 Nm (7.4 lbf ft) –

Screw, conrod bearing M10x1 Step 1

25 Nm (18.4 lbf ft)

Step 2

30 Nm (22.1 lbf ft)

Step 3

60°

–

Spark plug M12x1.25 18 Nm (13.3 lbf ft) –

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

Plus, cylinder head (2nd cylinder) M12x1.5 25 Nm (18.4 lbf ft) –

Plug, oil filter housing M14x1.5 15 Nm (11.1 lbf ft)

Loctite

243™

Bleeder flange, alternator cover M16x1.5 10 Nm (7.4 lbf ft)

Loctite

243™

Plug, timing-chain tensioner M16x1.5 20 Nm (14.8 lbf ft) –

Rotor screw M16x1.5 150 Nm (110.6 lbf ft)

Loctite

243™

Nut, balancer shaft M20x1.5 120 Nm (88.5 lbf ft)

Loctite

243™

Nut, engine sprocket M20x1.5 100 Nm (73.8 lbf ft)

Loctite

243™

Screw-in fitting, cooling system M20x1.5 10 Nm (7.4 lbf ft)

Loctite

577

Nut, inner clutch hub M22x1.5 130 Nm (95.9 lbf ft)

Loctite

243™

Oil drain plug with magnet M22x1.5 35 Nm (25.8 lbf ft) –

Screw in alternator cover M24x1.5 8 Nm (5.9 lbf ft) –

Nut, primary gear M33LHx1.5 130 Nm (95.9 lbf ft)

Loctite

243™

KTM 990 SMT User Manual

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