Selection Of Conrod Bearing - Suzuki GF60A Service Manual

c) Finally tighten bolts 65 degrees turn from the
point of step b) using an angular torque gauge.
Tightening torque
Conrod cap bolt (Final step): 15 N·m (1.5 kgf-
m, 10.8 lbf-ft), then plus turn in 65 degrees.
NOTE
Purchase a commercially available angular
torque gauge for this step of tightening bolts.
NOTE
Do not rotate conrod with plastigauge in
place.
6) Remove conrod and conrod cap from crank pin.
7) Using scale on plastigauge envelope, measure
plastigauge width at its widest point.
If measurement exceeds service limit, replace
conrod bearing.
Conrod big end oil clearance
Standard: 0.031 – 0.049 mm (0.0012 – 0.0019 in.)
Service limit: 0.080 mm (0.0031 in.)
2
1
1. Plastigauge
NOTE
For bearing replacement, see the "Selection
of Conrod Bearing" (Page 1D-57).
65°
IAJ611140219-01
IAJ611140220-01
2. Scale
Power Unit Mechanical:

Selection of Conrod Bearing

NOTE
• If bearing is in malfunction, or bearing
clearance is not in specification, select a
new standard bearing according to the
following procedure.
• When replacing crankshaft, conrod and its
bearing due to any reason, select a new
standard bearing to be installed by
referring to numbers stamped on conrod
and its cap and numbers stamped on crank
web No.2.
1) Check stamped numbers on conrod and its cap as
shown.
Three kinds of number ("1", "2" or "3") represent the
conrod big end inside diameter. For example,
stamped number "1" indicates that corresponding its
big end inside diameter is 41.000 – 41.006 mm
(1.6142 – 1.6144 in.).
Conrod big end inside diameter
Stamped No. Conrod big end inside diameter
1
2
3
"A": Conrod big end inside dia. code
ZAJ6111406025
41.0000 – 41.0060 mm
(1.6142 – 1.6144 in.)
41.0061 – 41.0120 mm
(1.6144 – 1.6146 in.)
41.0121 – 41.0180 mm
(1.6146 – 1.6149 in.)
"A"
I9J011140266-01
1D-57