Yamaha FJR13AY 2009 Service Manual page 423

• While compressing the piston rings with piston
ring compressor "2", install the connecting rod
assembly "1" into the cylinder with the other
hand.
• Make sure the "Y" marks "a" on the connecting
rods face towards the left side of the crank-
shaft.
• Make sure the characters "b" on both the con-
necting rod and connecting rod cap are
aligned.
Piston ring compressor
90890-05158
YM-08037
8. Tighten:
• Connecting rod nuts "1"
EW3P61019
WARNING
Replace the connecting rod bolts and nuts
with new ones.
TIP
Tighten the connecting rod nuts using the follow-
ing procedure.
CONNECTING RODS AND PISTONS
b
a
5-118
M MMM M MMM M M MMM M M MMM M
a. Tighten the connecting rod nuts with a torque
wrench.
Connecting rod nut (1st)
20 Nm (2.0 m·kg, 14 ft·lb)
b. Put a mark "1" on the corner of the connecting
rod nut "2" and the connecting rod "3".
c. Tighten the connecting rod nuts further to
reach the specified angle 115–125°.
Connecting rod nut (final)
Specified angle 115–125°
EWA13400
WARNING
If the connecting rod nut is tightened more
than the specified angle, do not loosen the
nut and then retighten it. Instead, replace the
connecting rod bolt and nut with a new one
and perform the procedure again.
ECA13950
NOTICE
Do not use a torque wrench to tighten the
connecting rod nut to the specified angle.
TIP
On a hexagonal nut, note that the angle from
one corner to another is 60°.
1
M MMM M M MMM M MMM