– 3 –
SERVICE DATA
For E-03, 28, 33
VALVE + GUIDE
Unit: mm (in)
ITEM STANDARD LIMIT
Valve diam.
IN.
33
(1.3)
—
EX.
28
(1.1)
—
Valve clearance (when cold)
IN. & EX.
0.08 – 0.13
(0.003 – 0.005)
—
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.
5.500 – 5.512
(0.2165 – 0.2170)
—
Valve stem O.D.
IN.
5.475 – 5.490
(0.2146 – 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. —
2.6
(0.1)
Valve seat width
IN. & EX.
0.9 – 1.1
(0.04 – 0.05)
—
Valve head radial runout
IN. & EX. —
0.03
(0.001)
Valve spring free length
(IN. & EX.)
INNER —
35.1
(1.38)
OUTER —
40.6
(1.60)
Valve spring tension
(IN. & EX.) INNER
70 – 90 N
(7.1 – 9.2 kgf, 15.7 – 20.3 lbs)
at length 32.5 mm (1.28 in)
—
OUTER
170 – 209 N
(17.3 – 21.3 kgf, 38.1 – 47.0 lbs)
at length 36.0 mm (1.42 in)
—
DR200SEK7/K8 (’07&’08-MODEL) 12- 3