Float Level Adjustment; Leak Testing Needle And Seat - Polaris INDY TRAIL RMK Service Manual

Float Level Adjustment

1. Remove float bowl.
2. With carburetor in an inverted position, float arms (A)
should be parallel with body (B). See illustration at
right. Arms must be parallel to each other.
3. To adjust float arm, bend tang contacting inlet needle.
CAUTION:
Never bend the float arm itself.

Leak Testing Needle and Seat

1. Be sure float level is adjusted properly.
2. Invert carburetor.
3. Install float chamber and connect pressure tester PN
2870975 to fuel inlet fitting.
Pressure Tester PN 2870975
4. Apply approximately 5 PSI pressure and wait for one
minute. The needle and seat should hold pressure
indefinitely. If the pressure drops rapidly replace the
needle and seat assembly and/or sealing washers.
FUEL SYSTEM / CARBURETION
4.23