2001 Polaris SLH, Virage PWC Factory Service Manual, Page 136Get this manual
CarburetionExhaust Carburetor DisassemblyInspectionContinued
6Loosen jet block screw, (if present)separate the jet block from the assemblyCarefully
Inspect needle seat a-rings for damageReplace a-rings upon assemblyClean screen of debris or replace if torn or damaged