2004 Polaris Sportsman 600/700 Service Manual, Page 113Get this manual
FLOAT SYSTEM
Fuel enters the float chamber (3) by means olthe inlet
pipe and passage, through screen on the back olthe inlet needle seat (4), and around the inlet needle (2)As Ihefuel fills thelloal chamber,lhefloal (1) risesand forces the inlet needle against the seatshutting off the orifice in the seatWhen fuel level is up in float chamber, floats are up and needle valve remains pushed up against valve seatUnder this condition,
no fuel enters the float chamberAs the fuel level falls,
floats go down and needle valve unseats itself to admit fuel into the chamberIn this manner, th needle valve admits and shuts off fuel alternately to maintain practically constant fuel level inside the lloat chamberInlel Pipe