2003-2005 Kawasaki Ultra-150 Jet Ski Factory Service Manual., Page 94Get this manual
EXHAUST SYSTEM 5-7 Exhaust Manifold
Removal
Reetmove the exhaust pipe and the exhaust chamber as se yA Recmeodvehehfe ecl arosuere,tooril asssemblnd[co] nrteomaanbinegs,caonndnt uh ho es lc l
place it on the hull bottom as shown
Remove the balance tube [A] to make the service easier
eh Unscifrolw [tBemounting nuts [A] and remove the exhaust man ]