Yamaha FZ6-ST Supplementary Service Manual - Eng
ENG
27
9. Tighten:
• connecting rod bolts
CAUTION:
Tighten the connecting rod bolts using the
plastic-region tightening angle method.
a. Clean the connecting rod bolts.
b. Tighten the connecting rod bolts.
c. Put a mark
on the corner of the connect-
ing rod bolt
and the connecting rod cap
.
d. Tighten the bolt further to reach the speci-
fied angle (120°).
e. After the installation, check that the section
shown
is flush with each other by touch-
ing the surface.
• Side machined face
WARNING
• When the bolt is 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.
• If they are not flush with each other,
remove the connecting rod bolt and big
end bearing and restart from step “7”. In
this case, make sure to replace the con-
necting rod bolt.
CAUTION:
• Do not use a torque wrench to tighten the
bolt to the specified angle.
• Tighten the bolt until it is at the specified
angles.
15 Nm (1.5 m•kg, 11 ft•lb) + 120°
CONNECTING RODS AND PISTONS