2003-2005 Kawasaki Ultra-150 Jet Ski Factory Service Manual., Page 229Get this manual
ELECTRICAL SYSTEM 14-37 Ignition System
Spark lug nstallation
e sur rl Borqueethheessppaarkppluuggs.threads are clean and dryT
Be careful to avoid breaking the ceramic on the spark
TorqueSpark Plugs: 25 29 Nm (2.5 3.0 kgfm, 18 22 )
plugsInstall the spark plug cap onto the spark plug securely