Selecting The Connecting Rod Big End Bearing - Yamaha F100C Service Manual

5. Tighten the connecting rod bolts to the
specified torques in two stages.
NOTE:
• Reuse the connecting rod bolts.
• Do not turn the connecting rod until the
crank pin oil clearance measurement has
been completed.
• Make a mark on the connecting rod bolts
and connecting rod caps, and then tighten
the bolts 90° from the mark.
• Use a E-type TORX socket (E10) to install
the connecting rod bolts.
Connecting rod bolt:
1st: 18 N·m (1.8 kgf·m, 13 ft·lb)
2nd: 90°
6. Remove the connecting rod cap and
measure the width of the compressed
Plastigauge (PG-1) on each crank pin.
Replace the connecting rod bearing if out
of specification.
60C5D11
Crank pin oil clearance:
0.023–0.035 mm
(0.0010–0.0013 in)
Selecting the connecting rod big end
bearing
1. When replacing the connecting rod bear-
ing, select the suitable bearing as fol-
lows.
2. Measure the connecting rod big end
inside diameter a.
NOTE:
Reuse the connecting rod bolts.
Connecting rod big end inside
diameter a:
47.03–47.04 mm
(1.8514–1.8518 in)
Cylinder body
S60C5980
5-44
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