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Polaris TX Starfire - Page 82

Polaris TX Starfire
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SERVICE INSTRUCTIONS (Con't.)
b)
If
the inlet
valve
does
not
close
or
function properly
(sticking
or
not
seating well), dismantle
by
removing the
small screw taking
care
not
to
lose
the inlet tension spring
when removing the
lever.
c)
Check
if
the
tip
of
the valve and the inner surface
of
the
valve
seat
are
smooth.
d)
Replacement
of
valve
and
valve
seat:
1.
Only
if
the
tip
of
the valve
is
damaged replace this part
only.
2.
If
both valve
and
seat
are
damaged, replace the old
valve
seat
using a
flat
punch.
3.
According
to
the condition
of
the regulator chamber,
install either a standard
or
one
of
the
two
sizes
of
oversize
seats
available
but
always
use
a
flat
punch
so
as
not
to
damage
the inside part
of
the new
seat.
e)
Check the inlet control lever and pin and replace
if
necessary.
3.
DIAPHRAGM
SPRING:
Check,
and
replace,
if
deformed.
4.
MIXING
BODY
a)
Remove
both
idle and high
speed
mixture
screws.
b)
Check the tapered ends
of
both
screws
and
the orifices
of
the body.
c)
Replace
if
the ends
of
the screws
are
damaged
or
the
orifices
are
deformed.
d)
Remove the cover
of
the idle by-pass port
by
removing
the
two
small
screws.
Then check
for
blocking
of
the
by-
pass
port.
Air
pressure should
be
used
to
blow
out
any
dirt.
Never
use
a wire
or
dri
II
so
as
not
to
damage the orifice.
5.
RE-ASSEMBLING:
a)
Re-assembly while being careful
that
all the fuel
passages
80

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