POWR
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:
62.968–62.992 mm
(2.4791–2.4800 in)
Crankpin diameter b:
49.976–50.000 mm
(1.9676–1.9685 in)
Crankpin width c:
21.50–21.55 mm
(0.8465–0.8484 in)
2. Measure the crankshaft runout. Replace
the crankshaft if above specification.
5-65
Power unit
S6AL5480
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.
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.
3. Put a piece of Plastigauge (PG-1) onto
the crankpin, parallel to the crankshaft.
NOTE:
Be sure not to put the Plastigauge (PG-1)
over the oil hole in the crankpin of the crank-
shaft.
4. Install the connecting rod onto the crank-
pin 3.
1
a
S6AL5B10
6AL3J11