2007-2010 Kawasaki Ultra 250X/260X/260LX PWC Factory Service Manual, Page 315Get this manual
PUMP AND IMPELLER 11-15 Pump and Impeller
Pump Inspection
Examine the pump case [A]If there are deep scratches inside the pump casereplace it
OMeasure the inside diameter of the pump case If the pump case is worn beyond the service limit, replace itPump Case Inside Diameter Standard: Service Limit: 155.0 -155.1 mm (6.10246.1063 156.1 mm (6.1457 in
Impeler Clearance
Impeller clearance is critical to proper performanceIf the pump case and impeller are not visibly damaged, poor performance may be caused by too much impeller clearance To check impeller clearanceremove the grate and insert feeler gauge [A] between the tip of the impeller blade [B] and the pump case [C] "tl
Impeller Clearance Standard: 0.150.3 mm (0.00590.0118 in Service Limit: 0.6 mm (0.0236 in