Yamaha YBR125 Custom, Service Manual

Page: 28 / 218

Tighten torque
2
For noraml tighten torque,tighten screw and nut
can decide tighten torque according to diameter
of thread(width of two faces)and space of thread
except appointed tighten torque.(see the table in
the right side).
Dia of screw(width of two faces)
Space of thread ×
Tighten torque
M5(8mm)×0.8
M6(10mm)×1.0
M8(12mm)×1.25
M10(14mm)×1.25
M12(17mm)×1.5 34Nm(0.3 0.4kg.m)
5 8Nm(0.5 0.8kg.m)
12 19Nm(1.2 1.9kg.m)
24 39Nm(2.43.9kg.m)
45 72Nm(4.57.2kg.m)
Width of two faces
Dia. of thread
Pitch of thread
Tighten sequence of steering system
2.
3.
4. .
5.
1. Tight the nut of to30 35N.m
Then turn the steering bar 2-3 times by leftward and
rightward.In turing,binding and loosening of bearing
race is not allowed.
Loosen nut of by1/4turn and then tighten it with
tighten toque of 20 24N.m
Turn the nut of to close to flat washer of .
Put the special washer and stop pawl of into groove
of nut of and .If it is not aligned with groove,
turn the nut of to ensure the alignment.
2 - 11