Installing The Crankshaft Main Journal Bearing - Yamaha 2007 XP500 Service Manual

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a. For example, if the crankcase "J1"and the
crankshaft web "J1" numbers are "4" and "2"
respectively, then the bearing size for "J1" is:
Bearing size for "J1":
"J1" (crankcase)–
"J1" (crankshaft web) =
4–2 = (black)
Bearing color code
1.Blue,
4.Green
2.Black, 3.Brown,
CRANKCASE AND CRANKSHAFT
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EAS25630
INSTALLING THE CRANKSHAFT MAIN
JOURNAL BEARING
1. Attach:
Crankshaft main journal bearings
G
NOTE:
Attach the crankshaft main journal bearing to the
plane bearing installer "1".
Plane bearing installer
90890-04139
2. Install:
Crankshaft main journal bearings "2"
G
NOTE:
Align the projection "a" on the bearing with the
G
projection "b" on the crankcase.
Place an iron "3" plate beneath the crankcase
G
and press fit until the end of the plain bearing
installer touches the iron plate.
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