Yamaha XSR 900 2022 Service Manual page 291

1
1
2
c. Put a piece of Plastigauge® "1" on the
crankshaft pin.
G089008
d. Assemble the connecting rod halves.
ECA18390
NOTICE
Tighten the connecting rod bolts using the
plastic-region tightening angle method. Al-
ways install new bolts.
TIP
• Clean the connecting rod bolts and lubricate
the bolt threads and seats with molybdenum
disulfide oil.
• Make sure that the projection "a" on the con-
necting rod cap faces the same direction as the
"Y" mark "b" on the connecting rod.
• After installing the big end bearing, assemble
the connecting rod and connecting rod cap
without installing them onto the crankshaft.
CONNECTING RODS AND PISTONS
a
b
1
5-74
TIP
Install by carrying out the following procedures in
order to assemble in the most suitable condition.
e. Tighten the connecting rod bolt while
checking that the sections shown "a" and
"b" are flush with each other by touching the
surface.
Connecting rod bolt
30 N·m (3.0 kgf·m, 22 lb·ft)
TIP
To install the big end bearing, care should be
taken not to install it at an angle and the position
should not be out of alignment.
a
a. Side machined face
b. Thrusting faces
f. Loosen the connecting rod bolt, remove the
connecting rod and connecting rod cap and
install these parts to the crankshaft with the
big end bearing kept in the current condi-
tion.
b