Tightening torques — engine head (Aprilia Shiver 750)

pos.	Description	Type	Quantity	Torque	Notes
1	Water Temperature Sensor	M12X1.5	1	23 Nm (16.96 lbf·ft)	-
2	Threaded plug for water sensor seat	M12X1.5	1	10 Nm (7.38 lbf·ft)	Loctite Drise AL 506
3	Head stud bolt fastener nut - pretightening	M10x1.25	8	10 Nm (7.38 lbf·ft)	Lubricate the threads before tightening
3	Head stud bolt fastener nut - tightening	M10x1.25	8	13 Nm (9.59 lbf·ft) + 90° + 90°	Lubricate the threads before tightening
4	Fastener for Head / Cylinder / Outer side crankcase	M6	2	13 Nm (9.59 lbf·ft)	-
5	Fastener for Head / Cylinder / Inner side crankcase	M6	4	12 Nm (8.85 lbf·ft)	-
4	Nut fastening Stud Bolts / Head	M6	4	12 Nm (8.85 lbf·ft)	-
7	Nut fastening Stud Bolts / Head	M8	2	26 Nm (19.18 lbf·ft)	-
8	Bleed union fastener screw	M5	4	6.5 Nm (4.79 lbf·ft)	-
9	Water bleed union (steel)	-	1	3.50 Nm (2.58 lbf·ft)	Loctite 243
10	Water bleed union (brass)	-	2	2 Nm (1.48 lbf·ft)	Loctite 243

[The material is based on data from the website: MotoInstruction]

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This article has been reviewed: Serafim Sazonov

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