The governor is a centrifugal flyweight type
which
permits constant operation at the selected speed
against load variations. Governor gear
is
installed on
the bearing cover, and it engages with the cam gear
after reassembling. (See Fig.
9.)
4-8
GOVERNOR
-
Fig.
9
4-9
COOLING
The cooling fans on the flywheel cool the cylinder and cylinder head by forced air cooling. Cylinder baffles
is provided
for
guiding the cooling air.
4-
10
LUBRICATION
The trochoid
oil
pump is mounted inside of the
main bearing cover.
Oil
pump
is
driven by the camshaft to supply
oil
for
the
rotating
or
sliding parts. (See Fig.
10.)
4-11
IGNITION
The ignition system is a flywheel magneto type with
ignition timing set at
23"
before TDC. The magneto
is
composed
of
a
flywheel and ignition
coil.
The fly-
wheel is mounted directly on the crankshaft, and
ignition coil
on
the crankcase. (See
Fig.
1
1
.)
(For further details, refer
to
page
30,
Section
"7.
MAGNETO".)
&
Camshaft
/
Oil Filter
Holder
(Camshaft
Oil Pump (Inner)
Oil
Pump (Outer)
Fig.
10
I
Ignition Coil
-6-
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