Yamaha JT1 Series Assembly Manual page 23

Section VII
Torque Specifications
The following torque specifications must be adhered to on
every
machine.
Tightening torque on multi-secured components, (several studs), should
be
1
n gradual stages and in a pattern that will avoid warpage to the item be-
ing secured.
Torque settin gs ore for dry, clean threads. Torqu ing should always
be
done to the nut, never the bolt head.
- A -
TORQUE SPECIFICATIONS
A
B
(Nut)
T
(s tud ) Kg/m
Ft-lbs
In-lbs
13mm
8mm
2.0
15
180
(i)
14mm
-+-
300 · 350
17mm 10mm
3.5 - 4.0
20-29
....
12.:;;;:;;-r 4. 0 · 4. 5
19mm
29-33
350 - 400
22mm
14mm
1
4.5 - 5.0
33-37
400 - 450
+
500 - 600
26mm
17m ~ 5.8 - 7.0
40-50
27mm
18mm 5.8 - 7.0
40 - 50
500 - 600
...
600 - 700
30mm 20mm 7.0 - 8.3
50 - 60
NOTE: Certa
in items with other than standard thread pitches may requ ire
differing torque. Consult the model Service Manual or distributor if a ques -
tion arises
36
Notes
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