1995-2004 Kawasaki JetSki 750ZXi 900ZXi Factory Service Manual, Page 74Get this manual
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4-6 EXHAU,ST' SYSTEM
49 N.m (50 kg-m36II-Ib)
Expansion Chamb',er ,Cleaning and inspection
eR',emove the expanslen chamber (see Expans,ion Chamber Removal)
Scrape