4.8
Fuel System
9923396 - 2007-2012 EDGE/Widetrak LX Service Manual
©2011 Polaris Sales Inc.
7. Remove the pilot and main jets.
8. Thoroughly clean the carburetor body with carburetor
cleaner. Blow dry with compressed air. Verify all air,
fuel, and choke passages are clean.
9. Assembly is the reverse of disassembly.
Float Arm Adjustment
Proper float arm adjustment in critical to carburetor
performance.
1. Invert carburetor assembly.
2. Carefully bend the float arm tang contacting the inlet
needle so the float arm legs are parallel with the float
bowl mating surface.
Needle and Seat Leak Testing
A leaking needle and seat can cause hard starting and
poor runability issues.
1. Invert the carburetor assembly. Verify the float arm is
properly adjusted.
2. Attach a Mity Vac pressure pump to the fuel inlet
fitting.
3. Apply approximately 5 PSI of pressure and wait for at
least one minute. The needle and seat should hold the
pressure indefinitely. If the pressure drops rapidly,
replace the needle and seat assembly.
Always wear eye protection when using compressed air.
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