Checking The Crankshaft; Checking The Crankpin Oil Clearance - SELVA MARINE Dorado 50 EFI Service Manual

a
Connecting rod big end side
clearance a:
0.05–0.22 mm (0.0020–0.0087 in)

Checking the crankshaft

1. Measure the crankshaft journal diameter
a, crankpin diameter b, and crankpin
width c. Replace the crankshaft if out of
specification.
Crankshaft journal diameter a:
42.984–43.000 mm
(1.6923–1.6929 in)
Crankpin diameter b:
32.984–33.000 mm
(1.2986–1.2992 in)
Crankpin width c:
21.000–21.070 mm
(0.8268–0.8295 in)
6C13G11
a
S6D55800
2. Measure the crankshaft runout. Replace
the crankshaft if above specification.
Crankshaft runout limit:
0.03 mm (0.0012 in)

Checking the crankpin oil clearance

1. Clean the bearings and the connecting
rod.
2. Install the upper bearing into the con-
necting rod 1 and the lower bearing into
the connecting rod cap 2.
NOTE:
• Install the connecting rod bearings in their
original positions.
• Insert the projection a of each bearing into
the slots in the connecting rod cap and con-
necting rod.
Cylinder block
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