Yamaha WaveRunner FX160 Wartungshandbuch Seite 430

POWR
CONNECTING RODS AND PISTONS
9. Tighten:
• Connecting rod nuts
WARNING
• Replace the connecting rod bolts and
nuts with new ones.
• Clean the connecting rod bolts and nuts.
NOTE:
The tightening procedure of the connecting rod
nuts is angle controlled, therefore tighten the
nuts using the following procedure.
Tightening steps:
• Tighten the connecting rod nuts to the
specified torque.
Connecting rod nut:
1st:
20 N • m (2.0 kgf • m, 14 ft • lb)
• Tighten the connecting rod nuts further to
reach the specified angle 120° .
Connecting rod nut:
Final:
Specified angle 120 ± 5°
WARNING
When the nuts are tightened more than
the specified angle, do not loosen the
nut and then retighten it.
Replace the bolt and nut with a new one
and perform the procedure again.
CAUTION:
• Do not use a torque wrench to tighten
the nut to the specified angle.
• Tighten the nut until it is at the speci-
fied angle.
NOTE:
When using a hexagonal nut, note that the
angle from one corner to another is 60° .
5-102
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