4-7
CYLINDER
HEAD
The cylinder head
is
an aluminum die casting,
and
forms a
Ricardo type combustion.chamber with ample area for high
combustion effeciency. The spark plug
is
tilted for easy
mounting
of
the fuel tank.
(See Fig.
11.1
Fig.
1
1
4-8
GOVERNOR
The governor is a centrifugal flyweight type which permits
constant operation at the selected speed against load varia-
tions. Governor gear
is
installed on the bearing cover with-
out fail, and
it
engages with the cam gear afterreassembling.
(See
Fig.
12.)
/
Main
Bearing Cover
Governor
Sleeve
1
Governor Gear
Complete
Fig.
12
-7-