2003 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual, Page 90Get this manual
FUEL SYSTEM (DFI) 3-45 EMM (Engine Management Module)
EMM Replacement
You must use KADIAG Software, newest version, when you perform the replacing an EMM
Each fuel injector's serial number and flow characteristics are loaded into the EMM during productionThis means that there is unique relationship between the engine's EMM and its fuel injectors