OC60-E2, OC95-E2, WSM
ENGINE
S-10
3. TIGHTENING TORQUES
[1] TIGHTENING TORQUES FOR SPECIAL USE SCREWS, BOLTS AND
NUTS
* Apply Molycoat oil to the threads of the nuts marked "*" and tighten them up.
** Apply enough engine oil to the threads and bearing surface of the bolts and nuts marked "**" and tighten them up.
A
Screws, bolts and nuts must be tightened to the specified torque with a torque wrench.
A
Several screws and nuts such as those used on the cylinder head must be tightened in proper sequence and to
the proper torque.
0000009186E
Item
Size x Pitch
ft-lbs
**Cylinder head screws (OC60-E2)
M10 x 1.5
51.9 to 56.8
5.3 to 5.8
38.3 to 42.0
**Cylinder head screws (OC95-E2)
M12 x 1.75
68.6 to 73.6
7.0 to 7.5
50.6 to 54.2
**Connecting rod screws (OC60-E2)
M7 x 1.0
18.6 to 21.6
1.9 to 2.2
13.7 to 15.9
**Connecting rod screws (OC95-E2)
M8 x 1.25
27.5 to 30.4
2.8 to 3.1
20.3 to 22.4
*Flywheel nut (OC60-E2)
M20 x 1.5
137 to 157
14 to 16
101 to 116
*Flywheel nut (OC95-E2)
M24 x 1.5
235 to 255
24 to 26
174 to 188
Side cover screws
M8 x 1.25
23.5 to 27.4
2.4 to 2.8
17.4 to 20.3
**Rocker arm bracket mounting nut
M8 x 1.25
23.5 to 27.4
2.4 to 2.8
17.4 to 20.3
Injection pump mounting screw
M6 x 1.0
9.8 to 11.3
1.0 to 1.15
7.2 to 8.3
Injection pump eye joint bolt
M10 x 1.0
14.7 to 19.6
1.5 to 2.0
10.8 to 14.5
Injection pipe retaining nuts
M12 x 1.5
24.5 to 34.3
2.5 to 3.5
18.1 to 25.3
Oil pipe eye joint bolt
M12 x 1.25
24.5 to 29.4
2.5 to 3.0
18.1 to 21.7
Grow plug
M10 x 1.25
19.6 to 24.5
2.0 to 2.5
14.5 to 18.1
Nozzle holder mounting nuts
M8 x 1.25
13.72 to 17.6
1.4 to 1.8
10.1 to 13.0
Oil switch taper screw
PT1/8
14.7 to 19.6
1.5 to 2.0
10.8 to 14.5
Exhaust manifold mounting nuts
M8 x 1.25
23.5 to 27.4
2.4 to 2.8
17.4 to 20.3
0000009185E
