Suzuki VL125 - Service Data for Engine Components

9-28 SERVICING INFORMATION
VALVE + GUIDE
Unit: mm (in)
ITEM STANDARD LIMIT
Valve diam.
IN.
30
(1.18)
———
EX.
26
(1.02)
———
Valve clearance
IN.
0.08 – 0.13
(when cold)
(0.003 – 0.005)
———
EX.
0.17 – 0.22
(0.007 – 0.009)
———
Valve guide to valve stem
IN.
0.010 – 0.037
clearance
(0.0004 – 0.0015)
———
EX.
0.030 – 0.057
(0.0012 – 0.0022)
———
Valve stem deflection
IN. & EX. ———
0.35
(0.014)
Valve guide I.D.
IN. & EX.
5.500 – 5.512
(0.2165 – 0.2170)
———
Valve stem O.D.
IN.
5.475 – 5.490
(0.2156 – 0.2161)
———
EX.
5.455 – 5.470
(0.2148 – 0.2154)
———
Valve stem runout
IN. & EX. ———
0.05
(0.002)
Valve head thickness
IN. & EX. ———
0.5
(0.02)
Valve stem end length
IN. & EX. ———
3.1
(0.12)
Valve seat width
IN. & EX.
0.9 – 1.1
(0.035 – 0.043)
———
Valve head radial runout
IN. & EX. ———
0.03
(0.001)
Valve spring free length
INNER ———
38.3
(1.51)
OUTER ———
40.1
(1.58)
Valve spring tension
INNER
6.51 – 7.49 kgf
(14.35 – 16.51 lbs) ———
at length 32.5 mm (1.28 in)
OUTER
12.09 – 13.91 kgf
(26.65 – 30.67 lbs)
———
at length 36.0 mm (1.42 in)
SERVICE DATA