HYOSUNG MS3 250 Sercie Manual page 237

9-19 SERVICING INFORMATION
◉ ◉ 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. 0.2 ~ 0.3 (0.008 ~ 0.012)
IN. 0.010 ~ 0.037 (0.0004 ~ 0.0015)
EX. 0.030 ~ 0.057 (0.0012 ~ 0.0022)
IN. & EX.
IN. & EX. 4.500 ~ 4.512 (0.1771 ~ 0.1776)
IN. 4.475 ~ 4.490 (0.1762 ~ 0.1768)
EX. 4.455 ~ 4.470 (0.1754 ~ 0.1760)
IN. & EX.
IN. & EX.
0.9 ~ 1.1 (0.035 ~ 0.043)
IN. & EX.
IN. & EX.
IN.
EX.
12.35 ~ 13.65 kgf (27.23 ~ 30.09 lbs)
IN.
at length 33.7 mm (1.33 in)
12.35 ~ 13.65 kgf (27.23 ~ 30.09 lbs)
EX.
at length 33.7 mm (1.33 in)
22.0 (0.87)
19.0 (0.75)
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45�
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Unit : mm (in)
LIMIT
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0.35 (0.014)
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0.05 (0.002)
0.50 (0.02)
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0.03 (0.0012)
39.35 (1.549)
39.35 (1.549)
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