Service manual
3)
Adjustment
of
Carburetor
(1)
Idle adjusting screw
The standard idling rotational speed is
2,500
-
2,700
rpm.
Adjust the speed as high as possible
so
that the blade does not turn.
Right
:
for higher speed (rpm)
Left
:
for lower speed (rpm)
The metering lever is a very important part. Never tamper with
it
under normal conditions.
Measure as shown below, when checking the height
of
the metering lever or when measurement is
necessary.
(2)
Metering lever
The fuel
is
rich when the
end
of
the control lever
goes
up
as shown in the
solid line
in
the drawing,
and is lean when the
dotted line goes down in
the direction
of
the arrow.
Standard height:
1.5
*
0.15
mm
(0.059
*
0.006")
carburetor body
(3)
Main jet
When replacing the main jet, always use one with the same number.
23