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SERVICING INFORMATION 10-41
SERVICE DATA
VALVE + VALVE GUIDE Unit: mm (in)
CAMSHAFT + CYLINDER HEAD Unit: mm (in)
ITEM STANDARD LIMIT
Valve diam.
IN.
27.2
(1.07)
—
EX.
22.0
(0.87)
—
Valve clearance (when cold)
IN.
0.08 – 0.18
(0.0031 – 0.0071)
—
EX.
0.18 – 0.28
(0.0071 – 0.0110)
—
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 guide I.D.
IN. & EX.
4.500 – 4.512
(0.1772 – 0.1776)
—
Valve stem O.D.
IN.
4.475 – 4.490
(0.1762 – 0.1768)
—
EX.
4.455 – 4.470
(0.1754 – 0.1760)
—
Valve stem deflection
IN. & EX. —
0.25
(0.010)
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. —
38.1
(1.50)
Valve spring tension
IN. & EX.
203 – 233 N
(20.7 – 23.8 kgf, 45.6 – 52.4 lbs)
at length 33.55 mm (1.32 in)
—
ITEM STANDARD LIMIT
Cam height
IN.
36.58 – 36.63
(1.440 – 1.442)
36.28
(1.428)
EX.
35.98 – 36.03
(1.417 – 1.419)
35.68
(1.405)
Camshaft journal oil clearance
IN. & EX.
0.032 – 0.066
(0.0013 – 0.0026)
0.150
(0.0059)
Camshaft journal holder I.D.
IN. & EX.
24.012 – 24.025
(0.9454 – 0.9459)
—
Camshaft journal O.D.
IN. & EX.
23.959 – 23.980
(0.9433 – 0.9441)
—
Camshaft runout
—
0.10
(0.004)
Cam chain pin (at arrow “3”) 12th pin —
Cylinder head distortion
—
0.20
(0.008)