67C3K11 5-48
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Checking the crankshaft journal oil
clearance
1. Clean the main bearings, crankshaft jour-
nals, and bearing portions of the crank-
case and cylinder block.
2. Place the cylinder block upside down on
a bench.
3. Install half of the main bearings 1 and
the crankshaft 2 into the cylinder block
3.
NOTE:
• Install the main bearings 1 in their original
positions.
• Insert the projection a of each bearing into
the slots in the cylinder block 3.
4. Put a piece of Plastigauge (PG-1) on
each crankshaft journal parallel to the
crankshaft.
NOTE:
Be sure not to put the Plastigauge (PG-1)
over the oil hole in each crankshaft journal.
5. Install the remaining half of the main
bearings into the crankcase.
NOTE:
• Install the main bearings in their original
positions.
• Insert the projection of each bearing into
the slots in the crankcase.
Connecting rod
mark a/color b
Bearing color c
I/Red Blue
II/Blue Black
III/Yellow Brown
Cylinder block
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