Yamaha XSR MTM690 2016 Service Manual page 327

d. Install the crankshaft journal lower bearings
"3" into the crankcase and assemble the
crankcase and cylinder.
TIP
• Align the projections "d" of the crankshaft jour-
nal lower bearings with the notches "e" in the
crankcase.
• Do not move the crankshaft until the clearance
measurement has been completed.
3
e. Tighten the bolts to specification in the tight-
ening sequence cast on the crankcase.
Refer to "CRANKCASE" on page 5-64.
f. Remove the crankcase and the crankshaft
journal lower bearings.
g. Measure the compressed Plastigauge®
width "g" on each crankshaft journal.
If the crankshaft-journal-to-crankshaft-jour-
nal-bearing clearance is out of specification,
select replacement crankshaft journal bear-
ings.
g
▲ ▲▲▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
CRANKSHAFT AND BALANCER SHAFT
2
d
e
▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
5. Select:
• Crankshaft journal bearings (J
TIP
• The numbers "A" stamped into the crankcase
and the numbers "B" stamped into the crank-
shaft web are used to determine the replace-
ment crankshaft journal bearing sizes.
• J –J refer to the bearings shown in the crank-
1 3
case and crankshaft web illustration.
• If J –J are the same, use the same size for all
1 3
of the bearings.
A
B
For example, if the crankcase J
shaft web J
ly, then the bearing size for J
J (crankcase) – J
1
= 5 – 3 – 2
= 0 (white–pink)
▲▲▲
5-86
J1 J2
J1 J2 J3
J2
J1
J3
22 333
numbers are 5 and 3 respective-
1
1
(crankshaft web) –2
1
–J )
1 3
J3
and crank-
1
is: