User manual

5-72
CAUTION:
CONNECTING RODS AND PISTONS
ENG
NOTE:
NOTE:
Do not interchange the big end bearings and
connecting rods. To obtain the correct
crankshaft-pin-to-big-end-bearing clear-
ance and prevent engine damage, the big
end bearings must be installed in their origi-
nal positions.
a. Clean the big end bearings, crankshaft pins,
and the inside of the connecting rods halves.
b. Install the big end upper bearing into the con-
necting rod and the big end lower bearing
into the connecting rod cap.
Align the projections
a
on the big end bearings
with the notches
b
in the connecting rod and
connecting rod cap.
c. Put a piece of Plastigauge

1
on the crank-
shaft pin.
d. Assemble the connecting rod halves.
S Do not move the connecting rod or crankshaft
until the clearance measurement has been
completed.
S Lubricate the bolt threads and nut seats with
molybdenum disulfide grease.
S Make sure that the “Y” mark
c
on the connect-
ing rod faces towards the left side of the crank-
shaft.
S Make sure that the characters
d
on both the
connecting rod and connecting rod cap are
aligned.