Mitsubishi K21 Service Manual

TIGHTENING TORQUE Standard Bolt Tightening Torque
Upper: Lubricated (Antirust oil is applied to abrasive faces of
threads and seating faces)
Lower: No lubrication (Threads and seating faces are
completely degreased)
CAUTION:
• Except special nuts and bolts.
• The bolts applicable to this table have one of the following
marks embossed on their heads.
4T......4
7T......7
9T......9
Thread size
Unit 4T (Bolt) 7T (Bolt) 9T (Bolt)
Diameter Pitch
Hexagon head bolt and nut
M6 1
N·m 3.82 - 4.41 6.37 - 7.45 9.22 - 10.8
(kgf-m) (0.39 - 0.45) (0.65 - 0.76) (0.94 - 1.1)
N·m 5.00 - 6.47 8.43 - 10.8 11.8 - 15.7
(kgf-m) (0.51 - 0.66) (0.86 - 1.1) (1.2 - 1.6)
M8 1.25
N·m 9.32 - 10.8 15.7 - 17.7 22.6 - 25.5
(kgf-m) (0.95 - 1.1) (1.6 - 1.8) (2.3 - 2.6)
N·m 12.7 - 15.7 20.6 - 26.5 29.4 - 37.3
(kgf-m) (1.3 - 1.6) (2.1 - 2.7) (3.0 - 3.8)
M10
1.25
N·m 19.6 - 22.6 32.4 - 38.2 47.1 - 53.9
(kgf-m) (2.0 - 2.3) (3.3 - 3.9) (4.8 - 5.5)
N·m 25.5 - 33.3 43.1 - 54.9 61.8 - 78.5
(kgf-m) (2.6 - 3.4) (4.4 - 5.6) (6.3 - 8.0)
1.5
N·m 18.6 - 21.6 30.4 - 36.3 44.1 - 52
(kgf-m) (1.9 - 2.2) (3.1 - 3.7) (4.5 - 5.3)
N·m 24.5 - 31.4 41.2 - 52 58.8 - 74.5
(kgf-m) (2.5 - 3.2) (4.2 - 5.3) (6.0 - 7.6)
Flanged bolt
M6 1
N·m 4.9 - 5.69 8.14 - 9.51 11.8 - 13.7
(kgf-m) (0.5 - 0.58) (0.83 - 0.97) (1.2 - 1.4)
N·m 5.98 - 7.65 9.81 - 12.7 14.7 - 18.6
(kgf-m) (0.61 - 0.78) (1.0 - 1.3) (1.5 - 1.9)
M8 1.25
N·m 11.8 - 13.7 19.6 - 23.5 28.4 - 33.3
(kgf-m) (1.2 - 1.4) (2.0 - 2.4) (2.9 - 3.4)
N·m 14.7 - 18.6 24.5 - 31.4 35.3 - 45.1
(kgf-m) (1.5 - 1.9) (2.5 - 3.2) (3.6 - 4.6)
M10
1.25
N·m 24.5 - 29.4 41.2 - 48.1 59.8 - 69.6
(kgf-m) (2.5 - 3.0) (4.2 - 4.9) (6.1 - 7.1)
N·m 30.4 - 39.2 51.0 - 64.7 73.6 - 93.2
(kgf-m) (3.1 - 4.0) (5.2 - 6.6) (7.5 - 9.5)
1.5
N·m 23.5 - 27.5 39.2 - 46.1 56.9 - 65.7
(kgf-m) (2.4 - 2.8) (4.0 - 4.7) (5.8 - 6.7)
N·m 29.4 - 37.3 49.0 - 61.8 69.6 - 89.2
(kgf-m) (3.0 - 3.8) (5.0 - 6.3) (7.1 - 9.1)
GI-7
TIGHTENING TORQUE

Mitsubishi K21 Specifications

General

Brand	Mitsubishi
Model	K21
Category	Engine
Language	English