Service Instructions - Polaris TX Starfire Owner's Manual

SERVICE INSTRUCTIONS
As improper adjusting or servicing could result in poor engine
performance, it is very important that the correct procedure
be followed when cleaning, checking or replacing worn or
damaged parts.
Before opening the carburetor consult the trouble shooting
chart.
Always use genu ine Keihin replacement parts.
OVERHAUL
1.
DISMANTLING AND CHECKING OF THE PUMP SEC-
TION:
a) Loosen the six screws and remove the pump section from
the main body.
b) Check the pump diaphragm. As the pump diaphragm is
made of thin stainless steel, it should be handled with
care. Replace, if damaged or deformed.
c) Check the gasket between the pump and mixing body and
also the gasket inside the pump body. Replace if necessary.
d) Check the "0" ring in the mixing body and pump body
and replace, if necessary.
e) Check and replace the check valve if damaged or worn.
Caution should be used not to pull or roll the check valve
as this part is made of extra thin synthetic rubber material.
f) Check if the surface of the brass valve seats is smooth.
Replace pump body if necessary as the valve seats are
bonded into the pump body.
g) Check the regulator diaphragm being careful not to pull
~
or roll it. Replace, if broken.
2. CHECKING OF THE REGULATOR CHAMBER:
a) Confirm that the top of the inlet control lever is adjusted
properly so as to be flush with the floor of the regulator
chamber.
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