Crank Pin And Conrod Bearing Inspection - Suzuki GF60A Service Manual

Conrod big end side clearance
Measure conrod big end side clearance with conrod
installed on crank pin as shown.
If measurement exceeds service limit, replace conrod
and/or crankshaft.
Special tool
(A): 09900–20803 (Thickness gauge)
Conrod big end side clearance
Standard: 0.100 – 0.250 mm (0.0039 – 0.0098 in.)
Service limit: 0.35 mm (0.0138 in.)
Conrod big end width
Standard: 19.950 – 20.000 mm (0.7854 – 0.7874 in.)
Crank pin width
Standard: 20.100 – 20.200 mm (0.7913 – 0.7953 in.)
(A)
IAJ611140213-01
Power Unit Mechanical:

Crank Pin and Conrod Bearing Inspection

Crank Pin Diameter
Inspect crank pin for uneven wear or damage.
Measure crank pin for out-of-round "a" – "b" or taper "c" –
"d" with micrometer.
If crank pin is damaged, out-of-round "a" – "b" or taper
"c" – "d" is out of service limit, replace crankshaft.
Special tool
(A): 09900–20202 (Micrometer (25 – 50 mm))
Crank pin diameter
Standard: 37.982 – 38.000 mm (1.4954 – 1.4961 in.)
Out-of-round and taper
Service limit: 0.01 mm (0.0004 in.)
Conrod Bearing Visual Inspection
Inspect bearing shell for proper contact pattern and
signs of fusion, pitting, burning or flaking.
Bearing shells found in defective condition must be
replaced.
1D-55
ZAJ6111406024
IAJ611140214-01
I9J011140071-01