Crankshaft And Conrod - Suzuki GSX1400 Service Manual

CRANKSHAFT AND CONROD

CRANKSHAFT RUNOUT
• Support the crankshaft with "V" blocks as shown, with the two
end journals resting on the blocks.
• Set up the dial gauge, as shown.
• Rotate the crankshaft slowly to read the runout.
• Replace the crankshaft if the runout is greater than the limit.
09900-20606: Dial gauge (1/100 mm, 10 mm)
09900-20701: Magnetic stand
09900-21304: V-block (100 mm)
Crankshaft runout:
Service Limit: 0.05 mm (0.002 in)
CONROD SMALL END I.D.
• Using a small bore gauge, measure the inside diameter of the
conrod small end.
09900-20602: Dial gauge (1/1000 mm, 1 mm)
09900-22401: Small bore gauge (10 – 18 mm)
Conrod small end I.D.:
Service Limit: 18.040 mm (0.7102 in)
• 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 in-
spect 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: 20.95 – 21.00 mm (0.8248 – 0.8268 in)
09900-20205: Micrometer (0 – 25 mm)
Crank pin width:
Standard: 21.10 – 21.15 mm (0.8307 – 0.8327 in)
09900-20605: Dial calipers (1/100 mm, 10 – 34 mm)
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ENGINE 3-45