Yamaha 2009 YZF-R1 (Y) Service Manual page 330

EWA13400
WARNING
If the connecting rod bolt is tightened more
than the specified angle, do not loosen the
bolt and then retighten it. Instead, replace
the connecting rod bolt with a new one and
perform the procedure again.
ECA13950
Do not use a torque wrench to tighten the
connecting rod bolt to the specified angle.
d. After the installation, check that the section
shown "a" is flush with each other by touch-
ing the surface.
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CONNECTING RODS AND PISTONS
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