Polaris TX Starfire Owner's Manual page 83

SERVICE INSTRUCTIONS (Con't.)
through the gaskets, pump diaphragm, pump body and
mixing chamber coincide.
b) Make sure that the check valve is correctly positioned in
the pump body (in line with the valve seats).
c) Make sure that the inlet tension and diaphragm springs
are correctly positioned.
d) Replace the six screws which fix the pump section to the
main body.
e) Secure counterpoint screw one by one to prevent de-
forming the pump cover.
6. ADJUSTMENTS:
Four separate adjustments are required following the
above overhaul procedure.
a) FUEL LEVEL.
b) IDLE MIXTURE SCREW.
c) IDLE SPEED SCREW.
d) HIGH SPEED MIXTURE SCREW.
a) FUEL LEVEL:
Install fuel level checking parts and start the engine.
Loosen lock screw and turn the adjustment screw. (See
figure) Fuel level in vinyl tube must come in line with under-
neath fringe of the mixing body. Fuel level in vinyl tube must
come in line with underneath fringe of the pump body (and
not the pump body ass'y.)
Secure the adjustment screw by the lock screw. Do not over-
tighten so as not to damage the adjustment screw.
b) IDLE MIXTURE SCREW:
Adjust the idle mixture screw until smooth engine running is
obtained.
Clockwise turning results leaner mixture, counter-clockwise
turning results richer mixture.
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