General Torque Specifications; Definition Of Units - Yamaha YTZ250S 1986 Service Manual

GENERAL TORQUE SPECIFICATIONS
This chart specifies torque for standard
fasteners with standard I.S.0. pitch threads.
Torque specifications for special components
or assemblies are included in the applicable
sectins of this book. To avoid warpage,
tighten multi-fastener assemblies in a
crisscross fashion, in progressive stages, until
full torque is reached. Unless otherwise
specified, torque specifications call for clean,
dry threads. Components should be at room
temperatu reo
A : Distance across flats
B: Outside thread diameter
DEFINITION OF UNITS
Unit Read Definition
mm milimeter
10-
3
meter
cm centimeter 10-
2
meter
kg
kilogram 1Q3gram
N
Newton 1 kg x m/ sec2
Nm Newton meter Nxm
m ·kg
Meter kilogram mxkg
Pa
Pascal N/ m
2
N/ mm Newton per milimeter N/ mm
L Liter
cm 3
Cubic centimeter
- -
r/min Rotation per minute
- -
6-16
A
B
General torque
(Nut) (Bolt)
specifications
Nm
m·kg h·lb
10 mm 6mm
6
0.6
4.3
12mm
8mm 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
22mm 16 mm 130 13.0 94
Measure
Length
Length
Weight
Force
Torque
Torque
Pressure
Spring rate
Volume
or Capacity
Engine Speed