Technical data

Cylinder head
Unit: mm (in1
-
Engine
Inspehon data
1200* 1350
1350
1500 1700
~-1700
365.86 305.85
305.87
305.88 305.50
305.58
Valve guide seat diameter “d”
13,000 + 13,018
Standard
13,050 + 13,068
Valve guide O.D. “a”
l
Spare
13,064 + 13,082
l
Diameter of valve guide bore “b”
8,013 + 8,031
Diameter of saating for valve Stern sealing cap. “f”~
10,85 + 10.95
Valve guide protrusion “8”
9,3 + 9,5
Min. cylinder head thickness after resurfacing “c” (1)
77,676 + 77,750
Max. error of parallelism betweenhe,ao surfaces
0,05
~~
Max. out of flat on head lower surface
0,03
Head lower surface roughness
1.6
. 10-S
(1) Resurfacino of cvlinder head with hemispherical combustion chamber must be done on both heads of the same engine
(*)~ Net marketed inaIl couWieS
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