General Tightening Torque - Yamaha F15A Service Manual

SPEC
Part to be tightened
Oil drain plug
Exhaust manifold
Propeller
Water inlet cover
ELECTRICAL
Oil pressure switch
Starter motor terminal (A = 7/16")
Starter motor through bolt (A = 3/8")
Nut A Bolt B
8 mm M5
10 mm M6
12 mm M8
14 mm M10
17 mm M12
B
A
TIGHTENING TORQUE (F15A)
General torque
specifications
Nm m•kg ft•lb
5.0 0.5 3.6
8.0 0.8 5.8
18 1.8 13
36 3.6 25
43 4.3 31
Part Thread
name size
Bolt M14
Bolt M6
Nut M10
Screw M5
Bolt —
Nut 1/4"
Bolt 3/16"

GENERAL TIGHTENING TORQUE

This chart specifies tightening torques for
standard fasteners with a standard ISO
thread pitch. Tightening torque specifica-
tions for special components or assemblies
are provided in applicable sections of this
manual. To avoid warpage, tighten multi-
fastener assemblies in a crisscross fashion
and progressive stages until the specified
tightening torque is reached. Unless other-
wise specified, tightening torque specifica-
tions require
Components should be at room tempera-
ture.
2-11
Tightening torque
Q'ty
Nm m•kg
1 27 2.7
2 11 1.1
1 17 1.7
1 5 0.5
1 8 0.8
1 9 0.9
2 8 0.8
clean, dry
E
ft•lb
19.5
8.0
12.3
3.6
5.8
6.5
5.8
threads.