Yamaha SXV70ERG, Supplementary Service Manual

Page: 150 / 173

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GENERAL TORQUE
SPECIFICATIONS
This chart specifies torque for standard fasteners
with standard I.S.O. pitch threads. Torque speci-
fications for special components or assemblies
are included in the applicable sections of this
book. To avoid warpage, tighten multi-fastener
assemblies in a crisscross fashion, in progres-
sive stages, until full torque is reached. Unless
otherwise specified, torque specifications call for
clean, dry threads. Components should be at
room temperature.
GENERAL TORQUE SPECIFICATIONS/
DEFINITION OF UNITS
SPEC
A
(nut)
B
(bolt)
General torque
specifications
(nut) (bolt)
Nm m
S
kg ft
S
lb
10 mm 6 mm 6 0.6 4.3
12 mm 8 mm 15 1.5 11
14 mm 10 mm 30 3.0 22
17 mm 12 mm 55 5.5 40
19 mm 14 mm 85 8.5 61
22 mm 16 mm 130 13.0 94
A: Distance across flats
B: Outside thread diameter
DEFINITION OF UNITS
Unit Read Definition Measurement
mm
cm Millimeter
Centimeter 10
-3
meter
10
-2
meter
Length
Length
kg Kilogram 10
3
gram Weight
N Newton 1 kg m / sec
2
Force
Nm
m
S
kg
Newton meter
Meter kilogram N m
m kg
Torque
Torque
Pa
N / mm Pascal
Newtons per millimeter N / m
2
N / mm
Pressure
Spring rate
L
cm
3
Liter
Cubic centimeter
— Volume or capacity
r / min Rotations per minute — Engine speed