CYLINDER BLOCK/CRANKCASE
Page 4B-20 90-857046R1 NOVEMBER 2001
PISTON RING END GAP CLEARANCE
1. Measure piston ring end gap clearance. Replace piston ring if out of specification.
53747
a
a-Push Piston Rings into Cylinder 0.8 in. (20 mm) Deep. Push in the Rings Using
the Piston.
Piston Ring End Gap
Top 0.006 - 0.012 in. (0.15 - 0.30 mm)
2nd 0.012 - 0.020 in. (0.30 - 0.50 mm)
Oil 0.008 - 0.028 in. (0.20 - 0.70 mm)
Crankshaft
1. Thoroughly clean crankshaft and inspect bearing surfaces. Replace crankshaft if bear-
ing surfaces are pitted, scored, or discolored.
2. Measure Run-out. Replace crankshaft if out of specification.
3. Clean oil holes in crankshaft.
Crankshaft Run-out
0.0018 in. (0.046 mm)
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