Service manual

5 - 118
ENG
CRANKSHAFT AND CONNECTING RODS
4. Select:
• big end bearings (P
1 ~ P2)
NOTE:
• The numbers a stamped into the crank-
shaft web and the numbers b on the con-
necting rods are used to determine the
replacement big end bearing sizes.
•“P
1” ~ “P2” refer to the bearings shown in
the crankshaft illustration.
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For example, if the connecting rod “P1” and
the crankshaft web “P
1” numbers are “6”
and “2” respectively, then the bearing size
for “P
1” is:
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“P1” (connecting rod) – “P1” (crank-
shaft web) =
6 – 2 = 4 (green)
BIG END BEARING COLOR CODE
1 blue
2 black
3 brown
4 green
5 yellow
5. Measure:
• crankshaft journal diameter a
Out of specification → Replace the crank-
shaft.
NOTE:
Measure the diameter of each crankshaft
journal at two places.
Crankshaft journal diameter
49.968 ~ 49.980 mm
(1.967 ~ 1.968 in)
5