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4.43
CARBURETOR - SPORTSMAN 450
4
Fuel Level Test
A fuel level test can be performed on some models if the drain
hose fitting is accessible. Be sure to re–attach the bowl drain
hose after performing the test. A fuel level test allows you to
observe the height of the fuel in the float bowl without removing
the carburetor. The fuel level can be observed with the engine
either running or shut off, however, engine must run briefly to
allow fuel level to stabilize.
1. Attach a clear line to drain fitting. Be sure line fits tightly
on fitting. Position hose along side of carburetor as shown.
2. Open bowl drain screw by turning counterclockwise
approximately two turns. Start and run engine for 3 to 5
seconds to allow fuel level to stabilize in the line. If level
is out of specification, remove carburetor and inspect inlet
needle and seat, float height, passages, etc.
NOTE: If a line was removed to perform this procedure,
it must be replaced.
Bowl Mating
Surface
1.5 mm
.060 in.