2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 168Get this manual
5-10 EXHAUST SYSTEM Water Box Muffler
r dam Be] sueeinhplacepers [A] on the left side water box muffler [B r
Moaskiteiosure the two rings [A] are installed to the correct nIf the rings are damaged or warped, replace the rings with new ones