2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 276Get this manual
PUMP AND IMPELLER 11-15 Pump and Impeller
Impeller Outside Diameter Measurement
place tIm pe ll er ts id ia te Standard: .7.8 in t:)
re utsi Mehaesuimptehleerimspellorrnosmadlle rdtiamnettere service limit, reIf iw ha h
Pump Inspection
ami Extherenarehdepumprcacshee[sAi]n.side the pump case, replace If ep sc at
Measure the inside diameter of the pump case