Suzuki GZ250 Marauder Service Manual page 75

CONROD DEFLECTION AND CONROD BIG END SIDE
CLEARANCE
Wear on the big end of the conrod can be estimated by
checking the movement of the small end of the rod. This
method can also check the extent of wear on the parts of the
conrod's big end.
09900-20701: Magnetic stand 09900-20606:
Dial gauge (1/100 mm) 09900-21304: V-
block set (100 mm)
Service Limit: 3.0 mm (0.12 in)
Push the big end of the conrod to one side and measure the
side clearance using a thickness gauge.
09900-20803: Thickne ss gauge
Standard: 0.10-0.65 mm (0.004-0.026 in) Service
Limit: 1.0 mm (0.04 in)
If the service limit is exceeded, replace crankshaft assembly
or bring the deflection and side clearance into specifica tion by
replacing the worn parts, (e.g., conrod, big end bearing and
crank pin)
CRANKSHAFT RUNOUT
Support the crankshaft with V-blocks as shown. Position
the dial gauge, as shown, and rotate the crankshaft slowly
to read the runout. Correct the runout or replace the crank-
shaft assembly if the runout is greater than the service lim-
it.
09900-20701: Magnetic stand 09900-
20606: Dial gauge (1/100 mm) 09900-
21304: V-block set (100 mm)
Service Limit: 0.05 mm (0.002 in)
REASSEMBLY
• When rebuilding the crankshaft, the width between the
webs
Standard width between webs : 60.0 + 0.1 mm
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should be within the standard range.
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(2.362 ±0.004 in)
ENGINE 3-38