Yamaha YZF-R6, Service Manual

Page: 213 / 425

4-73
CONNECTING RODS AND PISTONS
ENG
NOTE:
CAUTION:
c. Put a piece of Plastigauge

1 on the crank-
shaft pin.
d. Assemble the connecting rod halves.
S
Do not move the connecting rod or crankshaft
until the clearance measurement has been
completed.
S
Lubricate the bolt threads and nut seats with
molybdenum disulfide grease.
S
Make sure that the “Y” mark
c
on the connect-
ing rod faces towards the left side of the crank-
shaft.
S
Make sure that the characters d on both the
connecting rod and connecting rod cap are
aligned.
e. Tighten the connecting rod nuts.
S
When tightening the connecting rod nuts,
be sure to use an F-type torque wrench.
S
After tightening the connecting rod nut to
the specified torque, turn the connecting
rod nut 90
_
.
Refer to “INSTALLING THE PISTONS AND
CONNECTING RODS”.
Connecting rod nut
15 Nm (1.5 m
S
kg) + 90
_
f. Remove the connecting rod and big end
bearings.
Refer to “REMOVING THE CONNECTING
RODS AND PISTONS”.
g. Measure the compressed Plastigauge

width
e
on the crankshaft pin.
If the crankshaft-pin-to-big-end-bearing
clearance is out of specification, select re-
placement big end bearings.