1992-1998 Kawasaki PWC Jet Ski Service Repair Manual., Page 247Get this manual

1992-1998 Kawasaki PWC Jet Ski Service Repair Manual., Page 247

10-1 INTRODUCTION
SPECIAL WORDS ON JET PUMPS
Note that both the mixed flow and axial flow pumps have the same basic components
Model Identification and Chapter Coverage Kawasaki personal watercraft use both axial and mixed flow jet pumpsThe 550 Series models use mixed flow pump designAll other models covered in this manual use the axial flow pumpThe axial flow pump used on all models except the 550 Series, has two-piece impeller shaft actually long drive shaft and short impeller shafteach shaft typically having two ball bearings at each endBe sure to note the number of bearings and proper positioning of oil seals during disassemblyThe engineers at Kawasaki provide impcllerto-pump case clearances for ALL craft equipped with axial or mixed flow jet pumpsTherefore, special section10-2- deals with impeller-topump case clearanceShimming procedures for the mixed pump installed on the 550 Series is covered in Section 10-5No shimming is required on the axial flow pumps due to the design feature of the "carrier"bearing or bearing housingHowever, it is important that impeller-to-pump case clearances MUST be observedOne set of service procedures covering the axial flow pump and the mixed flow pump -one set for each typeis presented in Section 10-4Where differences occur between the designs or the type flow pump, these differences, will be clearly identifiedT bearing housing supporting the driveshaft at the bulkhead is covered in Section 10-6Engine crankshaft-to-impcller shaft alignment is covered in Chapter EnginePage 39=-