Suzuki drz 400E - Service Data

9-4 DR-Z400EY (E-24 MODEL)
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
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.
5.000 – 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
INNER
32.6
(IN. & EX.)
———
(1.28)
OUTER
36.3
———
(1.43)
Valve spring tension (IN. & EX.) 56 – 64 N
INNER (5.6 – 6.4 kgf, 12.3 – 14.1 lbs) ———
at length 27.4 mm (1.08 in)
126 – 145 N
OUTER (12.6 – 14.5 kgf, 27.7 – 32.0 lbs) ———
at length 30.9 mm (1.22 in)