Yamaha F100B - Page 49

60C5D11
2-14
1
2
3
4
5
6
7
8
9
Tightening torques
2
Specified torques
Part to be tightened Thread size
Tightening torques
N·mkgf·mft·lb
Power unit
Flywheel magnet nut — 186 18.6 135
Negative battery lead bolt M8 9 0.9 6.5
Positive battery lead nut — 90.96.5
Power unit bolt M10 42 4.2 30
Apron bolt M6 4 0.4 2.9
Drive sprocket nut — 265 26.5 192
Tensioner bolt M10 39 3.9 28
Driven sprocket bolt M10 60 6.0 43
Cover screw M6 4 0.4 2.9
Hour meter screw — 20.21.4
Ignition coil bolt M6 8 0.8 5.8
Ground lead bolt M6 8 0.8 5.8
Oil pressure switch — 80.85.8
Oil pressure switch lead bolt M4 2 0.2 1.4
Cylinder head cover bolt M6 8 0.8 5.8
Breather cover screw M4 2 0.2 1.4
Fuel pump bracket bolt M7 17 1.7 12
Camshaft cap bolt
1st
M7
80.85.8
2nd 17 1.7 12
Spark plug — 25 2.5 18
Cylinder head bolt
1st
M8
14 1.4 10
2nd 28 2.8 20
1st
M10
15 1.5 11
2nd 30 3.0 22
3rd Turn 90°
Exhaust cover bolt
1st
M6
60.64.3
2nd 12 1.2 8.7
Oil filter — 18 1.8 13
Plug M14 23 2.3 17
Crankcase bolt
1st
M8
14 1.4 10
2nd 28 2.8 20
1st
M10
19 1.9 14
2nd Turn 60°
Connecting rod cap bolt
1st
M8
18 1.8 13
2nd Turn 90°
Tightening torques