FUEL SYSTEM/CARBURETION
4.4
FUEL SYSTEM COMPONENT OVERVIEW
Tank to Pump Line
Impulse Line
Pump to Carburetor Line
Fuel Filter
Carburetor
Vent Line
Fuel Tank
Fuel Pump
SPECIAL TOOLS
PART NUMBER TOOL
DESCRIPTION
2870975 Mity Vac t
Pressure Test Tool
2872314 Carburetor Float
Adjustment Tool
W ARNING
Gasoline is extremelyflammableandexplosiveunder
certain conditions.
Always stop the engine and refuel
outdoors or in a well ventilated area.
Do not overfill the tank. The tank is at
full capacity when the fuel reaches the
bottom of the filler neck. Leave room
for expansion of fuel.
Never start the engine or let it run in an
enclosed area. Gasoline powered engine
exhaust fumes are poisonous and can
cause loss of consciousness and death in
a short time.
Never drain thefloatbowl when theengine
is hot. Severe burns may result.
Do not smoke or allow open flames or
sparks in or near the area where refueling
is performed or where gasoline is stored.
If you get gasoline in your eyes or if you
should swallow gasoline, seek medical
attention immediately.
Ifyouspillgasolineonyourskin orclothing,
immediatelywashwith soap and waterand
change clothing.
JETTING GUIDELINES
Changesinaltitudeandtemperatureaffectairdensity,
whichisessentiallytheamountofoxygenavailablefor
combustion. Inlowelevationsandcoldtemperatures,
the air is more denseand hasmoreoxygen. Inhigher
elevations and higher temperatures, the air is less
dense with reduced oxygen.
Polaris ATV Carburetors are calibrated for an altitude
of 0-6000 ft. (0-1800 meters) and ambient
temperatures between +40 and +80° F(+5° to +26°
C). Carburetors must be re-calibrated if operated
outside this temperature and/or altitude range. The
jetting installed in production is not intended for all
altitudes and/or temperatures. In addition, air screw
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