Self FixerCom.DE

Servicing Keihin carburetor2001 Polaris High Performance snowmobiles

Leak Testing Needle and Seat

1. After adjusting float level, place carburetor in an inverted position.
2. Connect pressure tester to fuel inlet fitting. Apply 5 psi pressure and observe for one minute. The needle and seat should hold pressure indefinitely. If the pressure drops, carefully inspect the needle and the needle seat. The needle can be replaced if necessary. The needle seat cannot be replaced. If the seat surface is damaged replace the carburetor.
   Pressure Tester PN 2870975
3. Carefully inspect float bowl gasket and replace if necessary. Install float bowl on carburetor.
4. Install idle screw and air adjusting screw.
5. Install jet needle E-clip into correct groove on needle jet.
6. Install jet needle into throttle valve.
7. Screw cable holder into throttle valve to secure jet needle and throttle valve.
8. Inspect gasket under throttle cap. Install throttle cable, spring, and collar. Connect cable to slide valve.
9. Install carburetor top cap until seated on carburetor body.

Updated on: Sunday, November 15, 2020