1995-1997 Kawasaki 750ZXi-900ZXi Jet Ski Repair Manual., Page 112Get this manual
8-4 COOLING AND BILGE SYSTEM Bilge System
Breather Removal Pulthe hoses FA1 off the breather-Unscre the mounting bolt [B], and remove the breather [C]
Breather Installation
Besure the small hole [A1 in the breather is open before installling it
Breather Cfeaning and Inspection
Chec that the small hole in the top of the breather is open by blowing in one end of the breather and plugging the other If the hole is plugged, clean it with compressed airDo not open it with pointed object (like needle or piece of wire), because the hole may be enlargedIf the hole is too large, the bilge system may not suck water out of the hull as it should