Suzuki LT-Z90K7 2007 - Service Data for Valve and Cylinder Components

7-28 SERVICING INFORMATION
SERVICE DATA
VALVE + VALVE GUIDE
Unit: mm (in)
ITEM STANDARD LIMIT
Valve diam.
IN.
22.5
(0.89)
----
EX.
19
(0.75)
----
Valve clearance (when cold)
IN.
0.05 – 0.10
(0.002 – 0.004)
----
EX.
0.10 – 0.15
(0.004 – 0.006)
----
Valve guide to valve stem
clearance
IN.
0.010 – 0.037
(0.0004 – 0.0015)
----
EX.
0.030 – 0.057
(0.0018 – 0.0022)
----
Valve guide I.D.
IN. & EX.
5.500 – 5.512
(0.2165 – 0.2170)
----
Valve stem O.D.
IN.
4.975 – 4.990
(0.1958 – 0.1964)
----
EX.
4.955 – 4.970
(0.1950 – 0.1956)
----
Valve stem deflection
IN. & EX. ----
0.35
(0.014)
Valve stem runout
IN. & EX. ----
0.05
(0.002)
Valve stem end length
IN. & EX. ----
3.0
(0.12)
Valve head thickness
IN. & EX. ----
0.5
(0.02)
Val ve s eat width IN. & EX. ---- ----
Valve head radial runout
IN. & EX. ----
0.03
(0.001)
Valve spring free length
IN. & EX. ----
32.8
(1.29)
Valve spring tension
IN. & EX.
110 – 126 N
(11.0 – 12.6 kgf, 79.5 – 91.1 lbs)
at length 26.8 mm (1.05 in)
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