Yamaha WaveRunner FX140 Service Manual page 191

POWR
CRANKCASE
Tightening steps:
• Tighten the bolts in the tightening
sequence cast on the crankcase.
Crankcase bolt 1–0:
1st:
7.8 N • m
(0.78 kgf • m, 5.6 ft • lb)
• Loosen and retighten the crankcase bolts
in the proper tightening sequence as
shown.
Crankcase bolt 1–0:
2nd:
15 N • m (1.5 kgf • m, 11 ft • lb)
• Tighten the crankcase bolts further to
reach the specified angle 49° in the
proper tightening sequence as shown.
Crankcase bolt 1–0:
Final:
Specified angle 49 ± 5°
WARNING
When the bolts are tightened more than
the specified angle, do not loosen the
bolt and then retighten it.
Replace the bolt with a new one and per-
form the procedure again.
CAUTION:
• Do not use a torque wrench to tighten
the bolt to the specified angle.
• Tighten the bolt until it is at the speci-
fied angle.
NOTE:
When using a hexagonal bolt, note that the
angle from one corner to another is 60°.
5-82
E