Yamaha MT-01 T 2005 Service Manual page 287

c. Put a piece of Plastigauge
shaft pin.
d. Assemble the connecting rod halves.
NOTE:
• Do not move the connecting rod or crankshaft
until the clearance measurement has been
completed.
• Lubricate the bolts threads and nut seats with
molybdenum disulfide grease.
• Make sure the projection "c" on the connecting
rod faces towards the left side of the crank-
shaft.
• Make sure the characters "d" on both the con-
necting rod and connecting rod cap are
aligned.
e. Tighten the connecting rod bolts.
EWA12890
WARNING
• Replace the connecting rod bolts with new
ones.
• Clean the connecting rod bolts.
NOTE:
The tightening procedure of the connecting rod
bolts is angle controlled, therefore tighten the
bolts using the following procedure.
f. Tighten the connecting rod bolts to the spec-
ified torque.
Connecting rod bolt (1st)
15 Nm (1.5 m·kg, 11 ft·lb)
®
"1" on the crank-
5-88
g. Put a mark "1" on the connecting rod bolts "2"
and the connecting rod cap "3".
h. Tighten the connecting rod bolts further to
reach the specified angle 120°–150°.
Connecting rod bolt (final)
Specified angle 120°–150°
EWA12900
WARNING
When the bolts are tightened more than the
specified angle, do not loosen the bolt and
then retighten it.
Replace the bolt with a new one and perform
the procedure again.
EC5YU1008
CAUTION:
• Do not use a torque wrench to tighten the
bolt to the specified angle.
• Tighten the bolt until it is the specified an-
gle.
i. Remove the connecting rod and big end
bearings.
Refer to "REMOVING THE CONNECTING
RODS" on page 5-87.
j. Measure the compressed Plastigauge
"e" on the crankshaft pin.
If the crankshaft-pin-to-big-end-bearing
clearance is out of specification, select re-
placement big end bearings.
CRANKSHAFT
®
width