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CARBURETOR
ADJUSTMENT
The
carburetor
is tested at the factory and properly adjusted to the engine.
Do not alter this adjustment by exchanging the jets for other than the pre-
scribed sizes.
This would be detrimental
under normal operating condit ions,
and many result in hard starting, excessive fuel consumption
or unsatis-
factory engine performance.
Only the idling adjustment may call for occasional regulation.
Before
attempt-
ing to adjust the carburetor, make sure the engine is at normal operating
temperature.
Also check that the
idle
adjustment screw is on the -lowest step of the fast
idle cam of
the
automatic choke.
1
- Turn
the
idling
adjusting screw (1) in or out until normal idling speed is
attained
(about
550 rpm).
2-
Gradually
turn the volume control screw (2) to the right until the idling
speed drops, then back it off
'I,
to '/
3
of a turn to the left.
3- Finally
re-adjust
the idling speed.
The
adjustment is correct if the engine does not stall when the throttle is
either suddenly opened or shut with the clutch pedal depressed.
Poor
idling
may also be the result of
damaged
gaskets,
loose
intake manifold
flanges
47
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