2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 270Get this manual
PUMP AND IMPELLER 11-9 Pump and Impeller
Be sure the eals [A] on the hull re in the position
Coat the outside edge [A] of the seal [B] with silicone
sealant to form seal between the hull and seal
ns al IBe tsulreheheusmal c[Avesr.in the positiont ]i mounting bolts and torque them