Carburetor Cleaning - Polaris A09BG50AA User Manual

2. Remove float bowl and carefully remove the
pressed float pin.
NOTE: Be careful not to damage the float pin tower
during the float pin removal. Support the float pin
tower while removing the float pin. This helps to
prevent the float pin towers from breaking off.
3. Remove inlet needle seat retaining screw along
with plate, and carefully remove needle seat.
NOTE: Do not use a pliers to remove the seat or
permanent damage may occur.
4. Remove the pilot mixture screw, spring, flat
washer, and O-Ring. If an anti-tamper plug is
installed over the pilot screw cavity, it must be
removed for access.
O-Ring
Washer
Spring
Pilot Screw
NOTE: The starter jet is not removeable. Upon
disassembly, place the parts in a container for safe
keeping.
Support Here

CARBURETOR CLEANING

Protect eyes from contact with cleaner.
appropriate
procedures. Safety glasses and chemical resistant
gloves are required. Should you get cleaner in your
eyes or if you swallow cleaner, seek medical attention
immediately.
Carburetor cleaners can be extremely caustic.
Extended periods of soaking can loosen the adhesive
sealer on the passage drill-way plugs. Do not soak
rubber or plastic components (such as the vacuum
slide diaphragm, needle seat screen, or O-Rings in
caustic cleaning solutions. Irreparable damage may
occur. Do not use agitator--type carburetor cleaning
equipment. Rubber parts must be cleaned with mild
detergent and hot water only.
1. Thoroughly clean the carburetor body, jets, and
2. If
3. Replace the jets if they have a buildup of fuel
4. Verify all passages and jets are unobstructed by
5. Use low pressure air to dry carburetor body and
FUEL SYSTEM/CARBURETION
Pilot Screw
Starter Jet
WARNING
safety measures
all passages with carburetor cleaner or electrical
contact cleaner.
the carburetor is
contaminated with fuel residue and varnish, soak
for short periods only in carburetor cleaner, and
rinse in hot water.
residue or bacterial growth that cannot be
removed. Even a small amount of residue will
reduce the flow characteristics of the jet.
spraying electrical contact cleaner through the
passages. CAUTION: Do not use wire or welding
tip cleaners as the orifice size may be altered.
all components.
Take
during these
extremely dirty or
4.9