2004-2006 Kawasaki 900 STX Jet Ski Service Manual, Page 80Get this manual
EXHAUST SYSTEM 5-7 Water Box Muffler
Water Box Muffler Removal
Remove the expansion chamber (see Expansion Chamber Removal) Remove the exhaust manifold (see Exhaust Manifold Removal)exhaust tube and pull it off Loosen the clamp [A] on theslide off the water box muffler Remove the straps [B], and [C] toward the frontWater Box Muffler Installation Notes