BMW Mini-Cooper 1968 - Page 33

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Fig. A.7
Valve seat machining dimensions
EXHAUST 'A'
INLET 'B'
c D
E
F
G
H
1 K
L
M
N
p
1'124 to ·186 to Maximum 1·0235 to
·844 in. 1'187 to
·186 to
Maximum 1·0855 to 1'()()() to
1·125 in.
'188 in.
radius
1·0435 in. (21'43 mm.) 45° 1'188 in. '188 in.
radius
1,1055 in.
1·006 in. 45°
MINI (28'55 to
(4'72 to ·015 in. (25'99 to (30'16 to (4'72 to
'015 in. (27'58 to
(25'4 to
28·58 mm.)
4·77 mm.)
('38 mm.)
26·50 mm.) 30'17 mm.)
4·77 mm.)
('38 mm.) 28·07 mm.)
25·55 mm.)
'1iI
1'124 to ·186 to 1·0235 to ·906 to
1'3075 to
·186 to
""I"[
1·116 to
1'066 to
997-c.c.
1·125 in.
'188 in. ·015 in.
1·0435 in.
'912 in. 45° 1'3085 in. '188 in. ·015 in. 1·136 in.
1'072 in. 45°
COOPER
(28'55 to (4'72 to ('38 mm.)
(25'99
to
(23'01 to
(33'21 to
(4'72 to
('38 mm.)
(28'34
to
(27'07 to
28'58 mm.)
4·77 mm.) 26'50 mm.)
23'16 mm.) 33'23 mm.)
4'77 mm.) 29·2
mm.)
27·22 mm.)
1'124
to
'186 to
1·0235 to
·906 to
1'3745 to
,186 to
1'206 to
1'066 to
998-c.c.
1·125 in. '188 in. ·015 in.
1·0435 in.
·912 in. 45° 1'3755
in.
·188 in.
·015 in.
1'226 in.
1·072 in. 45°
COOPER
(28'58 to
(4,72 to
('38 mm.)
(25'99
to
(23'01 to
(34-90 to (4'72 to
('38 mm.)
(30'60
to
(27'07 to
28·58 mm.)
4-77
mm.)
26'50 mm.)
23·16 mm.) 34·95 mm.)
4·77 mm.)
31·15 mm.)
27·22 mm.)
97O-c.c.
1,2465 to
,186 to
1·2065 to
1·121 to
COOPER
1·2475 in.
·188 in. '015 in.
1·2265 in.
1·141 in.
45°
'S'
(31'66 (0
(4'72 to
('38 mm.) (30'65 to
(28'47 to
31,7 mm.)-
4·77 mm.) 31'16 mm.) 28·98 mm.)
1071-c.c.
1·2465
to
·186 to
1·2065 to
1·121 to
COOPER,
1·2475 in.
·188 in. ·015 in.
1·2265"in.
1·141 in. 45°
'S'
(31,66 to
(4,72 to
('38 mm.)
(30'65 to (28'47 to
31·7 mm.)
4·77 mm.)
31'16 mm.) 28·98 mm.)
1275-c.c.
1·2465
to
·186 to
1·2065 to
1·121 to
1·4365 to
·186 to
1·3935 to
1·308 to
COOPER
1·2475 in.
'188 in.
·Ot5m. 1·2265 in.
1·141 in.
. 45°
1'4375 in.
·188 in.
·015 in.
1'4135 in.
1'328 in.
45°
'S'
(31'66 to
(4,72 to
(·38 mm.)
(30'65
to
(28'47 to
(36'5 to
(4'72 to
('38 mm.)
(35'41 to
(33·21 to
31·7 mm.)
4'77 mm.) 31·16 mm.) 28'98 mm.)
36·52
mm.)
4·77 mm.)
35·91 mm.)
33'73
mm.)
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