Service manual

5 - 116
ENG
CRANKSHAFT AND CONNECTING RODS
3. Measure:
• crankshaft pin-to-big end bearing clear-
ance
Out of specification → Replace the big
end bearings.
▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼
The following procedure applies to all of
the connecting rods.
ACHTUNG:
CAUTION:
Do not interchange the big end bearings
and connecting rods. To obtain the correct
crankshaft pin-to-big end bearing clearance
and prevent engine damage, the big end
bearings must be installed in their original
positions.
a. Clean the big end bearings, crankshaft
pins, and the inside of the connecting
rod halves.
b. Install the big end upper bearing into the
connecting rod and the big end lower
bearing into the connecting rod cap.
NOTE:
Align the projections a on the big end
bearings with the notches b in the connect-
ing rod and connecting rod cap.
c. Put a piece of Plastigauge

1 on the
crankshaft pin.
d. Assemble the connecting rod halves.
NOTE:
• Do not move the connecting rod or crank-
shaft until the clearance measurement
has been completed.
• Lubricate the bolt threads and seats with
molybdenum disulfide grease.
• Make sure the projection c on the con-
necting rod faces towards the left side of
the crankshaft.
• Make sure the characters d on both the
connecting rod and connecting rod cap
are aligned.
Crankshaft pin-to-big end bearing
clearance
0.037 ~ 0.074 mm
(0.0015 ~ 0.0029 in)
<Limit>: 0.09 mm (0.0035 in)
5