Yamaha RX10K Supplementary Service Manual page 327

CRANKCASE
8. Align:
S Bolt heads
(with the connecting rod caps)
9. Tighten:
S Connecting rod nuts
Nut (connecting rod):
20 Nm (2.0 mSkg, 14 ftSlb)+120_
S Replace the connecting rod bolts and nuts
with new ones.
CAUTION:
Tighten the connecting rod bolts using the
plastic-region tightening angle method.
Always install new bolts and nuts.
S Clean the connecting rod bolts and nuts.
S Tighten the connecting rod nuts.
S Put a mark 1 on the corner of the connecting
rod nut 2 and the connecting rod 3 .
S Tighten the nut further to reach the specified
angle (120_).
WARNING
When the nut is tightened more than the
specified angle, do not loosen the nut and
then retighten it.
Replace the bolt with a new one and perform
the procedure again.
CAUTION:
S Do not use a torque wrench to tighten the
nut to the specified angle.
S Tighten the nut until it is at the specified
angles.
NOTE:
When using a hexagonal nut, note that the
angle from one corner to another is 60_.
5-60
ENG