Bombardier SeaDoo 2000 factory shop manual volume 2, Page 261Get this manual
Section 10 PROPULSION SYSTEM Subsection 02 (JET PUMP)
ImpellerWear Ring Clearance
This clearance is critical for jet pump performanceClearance can be checked from water inlet opening or from venturi sideHowever, the last method requires more workTo check clearance from water inlet side, remove inlet grateTo check clearance from venturi side, remove venturi nozzle assembly as described in Oil Inspection in this subsectionUsing feeler gauge with 30 cm (12 in) blades, measure clearance between impeller blade tip and wear ringMeasure each blade at its centerClearance should not exceed 1.0 mm (.040 in)If clearance is greater, disassemble jet pump and inspect impeller and wear ringRenew worn partsF01J0FA