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Torque Value - Yamaha MA190 Service Manual

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2-2 Torque value

Ser. No
1
Cylinder head
2
Crankcase cover
3
Oil drain plug
4
Connecting rod
5
Valve locking nut
6
Governor gear
7
Flywheel
8
Spark plug
9
Cylinder head cover
10
Breath groove covering plate
11
Brake
12
Ignition coil
13
Stud supporting bolt
14
Lower shell
15
Muffler stud
16
Muffler nut
17
Air cleaner
18
Throttle control
19
Governor support lock nut
20
Recoil starter
21
Fuel tank
22
Engine housing
TIP
For unspecified bolt, screw and nut, refer to the standard torque value.
Item
M8 × 65
M6 × 30
M10 × 15
M6 × 35
M5
M6 × 16
M14 (iron flywheel)
M14 (aluminum
flywheel)
M14 × 1.25
M6 × 12
M6 × 80
M6 × 12
M6 × 12
M6 × 20
M6 × 20
M6 × 68
M6 × 80
M6 × 16
M8 × 109
M8
M6
M6 × 12
M6
M6
M6 × 25
M6
M5 × 20
Specification
Performance class Torque value (N·m)
8
2-2 Torque value
10.9
26±2
8.8
10±2
8.8
22±2
10.9
13±1
8
8.8
10±2
8
78±4
8
64±4
8.8
22±2
8.8
8.8
8.8
10±2
8.8
10±2
8.8
8.8
10±2
8.8
8.8
10±2
8.8
10±2
8.8
12±2
8
22±2
8
8.8
10±2
8
8
8.8
8
8.8
6±2
8±2
8±2
8±2
8±2
5±1
8±2
6±2

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