HYOSUNG 2010 ST7, Service Manual

Page: 78 / 298

3-31 ENGINE
CONROD BIG END SIDE
CLEARANCE INSPECTION
Using a thickness gauge, measure the side clearance at
the conrod big end. If the measurement is out of stan-
dard value, measure the conrod big end and the crank
pin widths individually to determine which one is to be
replaced.
Standard
0.17~0.32 mm
(0.007~0.013 in)
0.50 mm
(0.020 in)
Service limit
Conrod big end
side clearance
CRANKSHAFT RUNOUT
INSPECTION
With the right and left crank journals supported with V-
block, turn the crankshaft slowly. At this time, measure
the crankshaft end runout using a dial gauge. If the
runout exceeds the service limit, replace the crankshaft.
Crankshaft runout
Service limit
0.05 mm (0.002 in)
CRANKSHAFT REASSEBLY
Measure the width between the webs referring to the fi-
gure below when rebuilding the crankshaft.
Width between webs
96.9~97.1 mm
(3.815~3.823 in)
Standard
MAGNETO COVER
MAGNETO INSPECTION
(Refer to page 7-4)
DISASSEMBLY
Remove the stator ①
①
Dial gauge : 09900-20606
Magnetic stand : 09900-20701
V-block : 09900-21304