Yamaha F150A, Service Manual

Page: 303 / 493

7-78
Crankcase
TIP:
In the second tightening stage for the M10
bolts “3”, mark the M10 bolts and the crank-
case with identification marks “a”, and then
tighten the bolts 90° from the marks on the
crankcase.
Crankcase bolts “3” [1]–[4] (M10):
1st: 30 N·m (3.0 kgf·m, 22.1 ft·lb)
2nd: 90°
Crankcase bolts “4” [5]–[14] (M8):
1st: 14 N·m (1.4 kgf·m, 10.3 ft·lb)
2nd: 28 N·m (2.8 kgf·m, 20.7 ft·lb)
2
1
3
4
3 4
[1] [2]
[4] [3]
90 q
[13]
[9]
[5]
[8]
[12]
[14]
[10]
[6]
[7]
[11]
a