Yamaha Tracer MT09TRAH 2017 Service Manual page 315

necting rod cap faces the same direction as the
"Y" mark "b" on the connecting rod.
• Make sure the "Y" marks "b" on the connecting
rods face towards the left side of the crank-
shaft.
g. Tighten the connecting rod bolts with a torque
wrench.
Connecting rod bolt (1st)
20 N·m (2.0 kgf·m, 14 lb·ft)
h. Put a mark "1" on the corner of the connecting
rod bolt "2" and the connecting rod cap "3".
i. Tighten the connecting rod bolts further to
reach the specified angle 175–185.
Connecting rod bolt (final)
Specified angle 175–185
EWA16610
WARNING
If the bolt is tightened more than the speci-
fied angle, do not loosen the bolt and then re-
CONNECTING RODS AND PISTONS
tighten it. Instead, replace the bolt with a new
one and perform the procedure again.
ECA20890
NOTICE
Do not use a torque wrench to tighten the
bolt to the specified angle.
j. After the installation, check that the section
shown "a" is flush with each other by touching
the surface.
k. Remove the connecting rod and big end
bearings.
l. Measure the compressed Plastigauge®
width on the crankshaft pin. If the crankshaft-
pin-to-big-end-bearing clearance is out of
specification, select replacement big end
bearings.
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2. Select:
• Big end bearings (P
TIP
• The numbers "A" stamped into the crankshaft
web and the numbers "1" on the connecting
rods are used to determine the replacement
big end bearings sizes.
• "P
"–"P
1
crankshaft illustration.
180˚
For example, if the connecting rod "P
the crankshaft web "P
respectively, then the bearing size for "P
"P " (connecting rod) - "P
1
3 (brown)
5-66
–P )
1 3
" refer to the bearings shown in the
3
" numbers are 5 and 2
1
" (crankshaft) = 5 - 2 =
1
a
" and
1
" is:
1