2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 169Get this manual
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5-8 EXHAUST SYSTEM Exhaust Pipe
Exhau st Pipe Cle anin and Insp ection
o ha ar Reemnvte ethceaebxon udsetppoipietspouttsof the exhaust passages Clithaa bhlunt, rroundedgesd toolw Flatsehr.