Suzuki LT-Z400 - Service Data

8-28 SERVICING INFORMATION
SERVICE DATA
VALVE + GUIDE
Unit: mm (in)
ITEM STANDARD LIMIT
Valve diam.
IN.
36
(1.42)
—
EX.
29
(1.14)
—
Tappet clearance (when cold)
IN.
0.10 – 0.20
(0.0039 – 0.0078)
—
EX.
0.20 – 0.30
(0.0078 – 0.0118)
—
Valve guide to valve stem
clearance
IN.
0.010 – 0.037
(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.
5.000 – 5.012
(0.1969 – 0.1973)
—
Valve stem O.D.
IN.
4-975 – 4.990
(0.1959 – 0.1965)
—
EX.
4.955 – 4.970
(0.1951 – 0.1957)
—
Valve stem runout
IN. & EX. —
0.05
(0.002)
Valve head thickness
IN. & EX. —
0.5
(0.02)
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
IN. & EX. —
38.8
(1.53)
Valve spring tension
IN. & EX.
182 – 210 N
(18.6 – 21.4 kgf, 41.0 – 47.2 lbs)
at length 31.5 mm (1.24 in)
—