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PIAGGIO MSS X9 EVOLUTION 250 - Carburettor; 250 Cc Version

PIAGGIO MSS X9 EVOLUTION 250
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manifold that cuts the air inlet in deceleration, to
avoid explosions in the muffler.
System description:
Air is sucked in through the hole "B" and gets
through the tube into the filter housing "C" where
the filtering element "D"is.
Now, the filtered air enters the diaphragm device
"A" and then is channelled to the head.
The air passes through a flanged pipe "E"connec-
ted to the air head and reaches a discharge joint
in order to supply oxygen to the unburned gases
before the catalytic converter, thus favouring an
improved reaction of the catalytic converter.
Carburettor
250cc Version
Keihin
KEHIN CARBURETTOR
Specification
Desc./Quantity
Depression carburettor CVEK-30
Body stamping CVEK
Stamping 303A
Tapered pin notches position from top Fixed position
Max. air jet 70
Diffuser nozzle Ø 2.8
Starter jet 42
Starter device resistance ~ 20
Diffuser Ø 29
Characteristics MSS X9 Evolution 250
CHAR - 12

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