Measure connecting
rod
big end side clearance
with connecting
rod
installed
on
crank pin. If mea-
surement exceeds service
limit, replace the con-
necting
rod
and/or crankshaft.
Connecting
rod
big
end
width:
• Standard: 0.785 to 0.787
in
. (19.95 to 20.00
mm)
Crank
pin
width:
• Standard:
0.791
to 0.793 in. (20.10 to 20.15
mm)
Connecting
rod
big
end side clearance:
• Standard: 0.004 to 0.008
in
. (0.10 to 0.20 mm)
• Service limit: 0.024
in.
(0.60 mm)
POWERHEAD
CYLINDER/CRANKCASE/PISTON ASSEMBLY
Measure the crank pin outside diameter
in
the
thrust and
axial directions at two positions as
shown:
004581
Check for the following:
•
Difference of the measurements at two posi-
tions (Taper).
• Difference between the thrust
and
axial mea-
surements (Out-of-round).
Crank
pin
outside diameter:
• Standard: 1.1413 to 1.1417
in.
(28.989 to
29.000 mm)
Taper and Out-of-round:
004580 • Service limit: 0.0004
in
(0.010 mm)
If measurement exceeds service limit, replace
crankshaft.
159
E
o
U
Qj
)(
~
Qj
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ii
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