Suzuki RM-Z450 - Service Data

20-2 SERVICING INFORMATION
SERVICE DATA
VALVE + GUIDE
Unit: mm (in)
ITEM STANDARD LIMIT
Valve diam.
IN.
36
(1.4)
—
EX.
31
(1.2)
—
Tappet clearance (when cold)
IN.
0.09 – 0.16
(0.004 – 0.006)
—
EX.
0.17 – 0.24
(0.007 – 0.009)
—
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. —
0.25
(0.010)
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 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. —
35.8
(1.41)
Valve spring tension
IN. & EX.
146 – 168 N
(14.9 – 17.1 kgf, 32.8 – 37.7 lbs)
at length 30.9 mm (12.2 in)
—