1.12
Section 1
Safety and General Information
Valve Guide Reamer Size
Standard ................................................................................................... 7.048 mm (0.2775 in.)
0.25 mm O.S. ............................................................................................. 7.298 mm (0.2873 in.)
Nominal Valve Face Angle ............................................................................ 45°
General Torque Values
Metric Fastener Torque Recommendations for Standard Applications
Tightening Torque: N·m (in. lb.) + or - 10%
Property Class
Noncritical
Fasteners
Into Aluminum
Size
M4
1.2 (11)
1.7 (15)
2.9 (26)
4.1 (36)
5.0 (44)
2.0 (18)
M5
2.5 (22)
3.2 (28)
5.8 (51)
8.1 (72)
9.7 (86)
4.0 (35)
M6
4.3 (38)
5.7 (50)
9.9 (88)
14.0 (124)
16.5 (146)
6.8 (60)
M8
10.5 (93)
13.6 (120)
24.4 (216)
33.9 (300)
40.7 (360)
17.0 (150)
Tightening Torque: N·m (ft. lb.) + or - 10%
Property Class
Noncritical
Fasteners
Into Aluminum
M10
21.7 (16)
27.1 (20)
47.5 (35)
66.4 (49)
81.4 (60)
33.9 (25)
M12
36.6 (27)
47.5 (35)
82.7 (61)
116.6 (86)
139.7 (103)
61.0 (45)
M14
58.3 (43)
76.4 (55)
131.5 (97)
184.4 (136)
219.7 (162)
94.9 (70)
5.8
8.8
10.9
12.9
4.8
5.8
10.9
12.9
4.8
8.8
