ENGINE 3-69
CRANKSHAFT AND CONROD
CONROD SMALL END I.D.
• Using a small bore gauge, measure the inside diameter of the
conrod small end.
$ Conrod small end I.D.:
Service Limit: 23.040 mm (0.9071 in)
% 09900-20602: Dial gauge (1/1 000 mm, 1 mm)
09900-22403: Small bore gauge (18 – 35 mm)
• If the inside diameter of the conrod small end exceeds the
limit, replace the conrod.
CONROD BIG END SIDE CLEARANCE
• Inspect the conrod side clearance by using a thickness
gauge.
• If the clearance exceeds the limit, remove the conrod and
inspect the conrod big end width and the crank pin width.
• If the width exceed the limit, replace conrod or crankshaft.
$ Conrod big end side clearance:
Service Limit: 0.30 mm (0.012 in)
% 09900-20803: Thickness gauge
$ Conrod big end width:
Standard: 23.95 – 24.00 mm (0.943 – 0.945 in)
% 09900-20205: Micrometer (0 – 25 mm)
$ Crank pin width:
Standard: 24.10 – 24.15 mm (0.949 – 0.951 in)
% 09900-20605: Dial calipers (1/100 mm, 10 – 34 mm)
CONROD-CRANK PIN BEARING INSPECTION
• Loosen the bearing cap bolts, and tap the bearing cap bolt
lightly with plastic mallet to remove the bearing cap.
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