Yamaha XP500 2001 Service Manual page 273

CRANKCASE AND CRANKSHAFT
e. If journal bearing inside diameter is "45.03"
6. Select:
NOTE:
S The numbers 1 stamped into the crankshaft
web and the numbers 2 on the crankcase are
used to determine the replacement crankshaft
journal bearing size.
S "P
shaft illustration.
5-70
and crankshaft journal outside diameter is
"44.98", then the main journal oil clearance
is:
Main journal oil clearance:
Journal bearing inside diameter –
Main journal outside diameter =
45.03 – 44.98 = 0.05 mm
If the oil clearance is out of specification, se-
lect a replacement bearings.
S crankshaft journal bearings (J
" refer to the bearings shown in the crank-
1
For example, if the crankcase "J
crankshaft web "J " numbers are "4" and "2"
1
respectively, then the bearing size for "J
Bearing size for "J ":
1
"J " (crankcase) – "J
1
(crankshaft web) = 4 – 2 = 2 (black)
BEARING COLOR CODE
1
2
3
4
ENG
, J )
1 2
" and the
1
" is:
1
"
1
blue
black
brown
green