Yamaha FT50C Service Manual page 49

Tightening torques
Specified torques
Part to be tightened
Power unit
Flywheel magnet nut
Stator base screw
Cover screw
Negative battery lead bolt
Positive battery lead nut
Oil pressure switch
Oil pressure switch lead screw
Ignition coil bolt
Starter motor bolt
Starter motor terminal nut
Power unit bolt
Tensioner bolt
Tensioner adjusting bolt
Drive sprocket nut
Driven sprocket bolt
Spark plug
Cylinder head bolt
Adjusting screw locknut
Oil filter
Drain bolt
Exhaust cover bolt
Crankcase bolt
Connecting rod cap bolt
Lower unit
Check screw
Lower unit bolt
Drain screw
Propeller nut
Ring nut
Water inlet cover screw
Pinion nut
62Y5A11
Maintenance specifications / Tightening torques
Thread size
—
M6
M6
M8
—
—
—
M6
M8
—
M8
—
M8
—
M10
—
1st
M6
2nd
1st
M9
2nd
—
—
—
1st
M6
2nd
1st
M6
2nd
1st
M8
2nd
1st
—
2nd
—
M10
—
—
—
—
M22
Tightening torques
N·m kgf·m
160 16
4 0.4
3 0.3
9 0.9
7 0.7
9 0.9
2 0.2
7 0.7
30 3.0
7 0.7
21 2.1
8 0.8
25 2.5
140 14
38 3.8
18 1.8
6 0.6
12 1.2
23 2.3
47 4.7
14 1.4
18 1.8
18 1.8
6 0.6
12 1.2
6 0.6
12 1.2
15 1.5
30 3.0
6 0.6
17 1.7
7 0.7
40 4.0
7 0.7
35 3.5
105 10.5
5 0.5
95 9.5
2
1
ft·lb
116
2.9
2
2.2
6.5
5.1
6.5
1.4
3
5.1
22
5.1
15
4
5.8
18
101
28
13
5
4.3
8.7
17
34
6
10
13
13
4.3
8.7
7
4.3
8.7
11
22
8
4.3
12
5.1
29
9
5.1
25
76
3.6
69
2-14