2009 Polaris Outlaw 450/525 Service Manual, Page 251Get this manual
8-9 Checkingadjusting the float height
Tilt the carburetor until the float rests against the float needle valve without compressing it The edge of the float should be parallel to the sealing area of the float chamber in this position (see photo) If the float height does not correspond to the setpoint value, check the float needle valve and replace if necessary
If the float needle valve is good you can adjust the float height by bending the float tab 1
Checkingadjusting the throttle slide opening
NOTE: the basic mm throttle slide setting only helps to control the beginning of injection by the accelerator pump and the basic setting of the throttle sensor Use the adjusting screw to set the opening of the throttle slide to mmThis test is easily performed with mm drill bit shaft or wireNOTE: check andor adjust the idling position