Exmark 127-9041 Service Manual page 8

Camshaft hole diameter
Crankcase cover
Crankshaft hole diameter
Spark plug
Gap
Resistance (primary)
Ignition coils
Resistance (secondary)
Gap to flywheel
GENERAL TORQUE VALUES
English Fastener Torque Recommendations for Standard Applications
Bolts, Screws, Nuts and Fasteners Assembled Into Cast Iron or Steel
Size
Tightening Torque: N·m (in. lb.) ± 20%
8-32
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
Tightening Torque: N·m (ft. lb.) ± 20%
5/16-24
3/8-16
3/8-24
7/16-14
7/16-20
1/2-13
1/2-20
9/16-12
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
Metric Fastener Torque Recommendations for Standard Applications
Size
4.8
Tightening Torque: N·m (in. lb.) ± 10%
M4 1.2 (11)
M5 2.5 (22)
M6 4.3 (38)
M8 10.5 (93)
1.575-1.576" (40.009-40.025 mm)
Grade 2
2.3 (20)
3.6 (32)
3.6 (32)
7.9 (70)
9.6 (85)
17.0 (150)
18.7 (165)
29.4 (260)
33.9 (300)
—
—
—
47.5 (35)
61.0 (45)
67.8 (50)
94.9 (70) 142.4 (105)
101.7 (75) 169.5 (125)
135.6 (100) 223.7 (165)
149.5 (110) 244.1 (180)
189.8 (140) 311.9 (230)
199.3 (147) 332.2 (245)
271.2 (200) 440.7 (325)
Property Class
5.8
1.7 (15)
3.2 (28)
5.7 (50)
13.6 (120) 24.4 (216)
0.629-0.630" (16-16.018 mm)
0.0027-0.0031" (0.7-0.8 mm)
(1.6-1.9Ω)
(6.27.1kΩ)
0.015-0.016" (0.4±0.1 mm)
Grade 5
2.8 (25)
4.5 (40)
4.5 (40)
13.0 (115) 18.7 (165)
15.8 (140) 22.6 (200)
28.3 (250) 39.6 (350)
30.5 (270)
—
—
—
47.5 (35)
54.2 (40)
74.6 (55) 108.5 (80)
101.7 (75) 142.5 (105)
108.5 (80) 155.9 (115)
223.7 (165)
237.3 (175)
311.9 (230)
352.6 (260)
447.5 (330)
474.6 (350)
637.3 (470)
8.8 10.9
2.9 (26) 4.1 (36)
5.8 (51) 8.1 (72)
9.9 (88) 14.0 (124)
33.9 (300)
0.633" (16.068 mm)
1.578" 40.075 mm)
－
－
－
－
Grade 2 or 5 Fasteners
Into Aluminum
Grade 8
—
—
—
17.0 (150)
—
—
—
40.7 (30)
67.8 (50)
81.4 (60)
12.9
5.0 (44)
9.7 (86)
16.5 (146)
40.7 (360)
Maintenance
2.3 (20)
3.6 (32)
—
7.9 (70)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Noncritical
Fasteners
Into Aluminum
2.0 (18)
4.0 (35)
6.8 (60)
17.0 (150)