Service Data - HYOSUNG 2010 ST7 Service Manual

SERVICE DATA

VALVE + GUIDE
ITEM
Valve diam.
Valve clearance (When cold)
Valve guide to valve stem clearance
Valve stem deflection
Valve guide I.D.
Valve stem O.D.
Valve stem runout
Valve head thickness
Valve seat width
Valve seat angle
Valve head radial runout
Valve spring free length
Valve spring tension
STANDARD
IN.
EX.
IN. 0.1 ~ 0.2 (0.004 ~ 0.008)
EX. 0.28 ~ 0.32 (0.011 ~ 0.013)
IN. 0.020 ~ 0.047 (0.0008 ~ 0.0019)
EX. 0.030 ~ 0.057 (0.0012 ~ 0.0022)
IN. & EX.
IN. & EX. 4.500 ~ 4.512 (0.1771 ~ 0.1776)
IN. 4.465 ~ 4.480 (0.1758 ~ 0.1764)
EX. 4.455 ~ 4.470 (0.1754 ~ 0.1760)
IN. & EX.
IN. & EX.
1.2 ~ 1.7 (0.047 ~ 0.067)
IN. & EX.
IN. & EX.
Inner
Outer
4.2 ~ 4.8 kgf (9.3 ~ 10.6 lbs)
Inner.
at length 29.9 mm (1.18 in)
17.0 ~ 19.6 kgf (37.5 ~ 43.2 lbs)
Outer
at length 33.4 mm (1.32 in)
SERVICING INFORMATION 9-20
31.0 (1.22)
25.5 (1.00)
45
Unit : mm (in)
LIMIT
0.35 (0.014)
0.05 (0.002)
0.50 (0.02)
0.03 (0.0012)
36.8 (1.45)
39.8 (1.57)