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CB25D Addendun
Unit: mm (in
Cylinder Heacl
-----~~----_._--------------___,__------:.-
Item
Standard
Service Limit
Cylinder com pression
{kPa (kgf/cm
2 ,
psi)/500 - 600 min-
1
(rprnl)
Cylinder compression difference
{kPa (kgf/cm
2 ,
psi)/500 - 600 mirr' (rprnl}
Valve clearance IN
EX
Cylinder head warpage
Cam lobe height
CD
IN
EX
Camshaft runout
Camshaft oil clearance A
B
1,373 - 1,471 (14 - 15,199 - 213)
98 (1,14)
0.06 - 0.10(0.002 - 0.004)
0.06 - 0.10·(0.002 - 0.004)
27.383..c 27.543 (1.0781 - 1.0844)
27.209 - 27.369 (1.0712 - 1.0775)
785 (8, 114)
0.10 (0.004)
27.2 (1.07)
27.0(1.06)
0.05 (0.002)
OJCD
Camshaft journal 0.0. A
B
Camshaft bushing 1.0.
Carnshaft
holder
1.0. A
B
Va/ve stem 0.0. IN
EX
Valve guide 1.0. IN
EX
Stem-to-guide clearance IN
EX
Valve guide pr ojection aboye cylinder head IN
EX
Before guide installation:
1. Chill the valve guides in the freezer section of
the refrigeratorfor about an hour
- 2. Heat the cylinder head to
100 - 150°C (212 - 300°F)
. Valve seat width
Vert\re sprin'g free length IN
EX
inner IN
inner EX
outer IN -.
outerEX
Rocker arm 1.0. IN
EX
Sub-rocker arm 1.0. IN
EX
RockerarmshaftO.D. IN
EX
Sub-rocker arrn shaft 0.0. IN
EX
Rocker arrn-to-rocker arrn shaft clearance
Sub-rocker arrn-to-rocker arrn shaft clearance
Valve lifter 0.0.
Valve lifter bore 1.0.
Hydraulic lash adjuster assist spring freelength
Hydrauliclash adjuster compression stroke with
kerosene
19.967 -19.980 (0_7861 - 0.7866)
20.063 - 20.083 (0.7899 - 0.7907)
5.450 - 5.465 (0.2146 - 0.2152)
5.430 - 5.445 (0.2138 - 0.2144)
5.475 - 5.485 (0.2156 - 0.2159)
5.475 - 5.485 (0.2156 - 0.2159)
0.010- 0.035 (0.0004 - 0.0014)
0.030 -0.055 (0.0012 - 0.0022)
1.0 - 1.1 (0.039 - 0.043)
29.9 (1.18)
29.9 (1.18)
38.2 (1.50)
38.2(1.50)
1 Q.OOO - 10:015 (0.3937 -0.3943)
10.000.., 10.015 (0.3937 -0.3943)
9.978 - 9.987(0.3928 - 0.3932)
9.978 - 9.987 (0.3928 - 0.3932)
0.013:- 0.037 lO.0005 - 0.0015)
19.92 (0.784)
20.20 (0.795)
5.42 (0.213)
5.40 (0.213)
5.50 (0.217)
5.50 (0.. ; 217)
0:08 (0.003)
0.10 (0.004)
1.8 (0.07)
29.0 (l.14)
29.0(1.14)
37.0 (1.46)
37.0 (1.46)
10.10 (0.398)
10.10 (0.398)
. 9.91 (0.390)
9.91 (0.390)
0.05 (0.002) ..
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