2004-2006 Kawasaki 900 STX Jet Ski Service Manual, Page 199Get this manual
ELECTRICAL SYSTEM 14-33 Ignition System
Spark Plug Removal
Pull off the spark plug caps Unscrew the spark plugsthe ceramic on the spark Be careful to avoid breaking
Spark Plug Installation
the spark plug threads are clean and dry Be sure the spark plugs Tighten
TorqueSpark Plugs: 27 Nm (2.8 kgfm, 20 ftlb)