Kawasaki STX-15F - Manual (Page 7)

MAINTENANCE AND ADJUSTMENTS
Maintenance, replacement, or repair of the emission control devices and systems may
be performed by any marine Sl engine repair establishment or individual.
EMISSION CONTROL INFORMATION
Fuel Information
THIS ENGINE IS CERTIFIED TO OPERATE ON UNLEADED REGULAR GRADE GASOLINE
ONLY.
A minimum of 87 octane of the antiknock index is recommended. The antiknock index is posted
on service station pumps.
Emission Control Information
To protect the environment in which we all live, Kawasaki has incorporated an exhaust emis-
sion control system in compliance with applicable regulations of the United States Environmental
Protection Agency.
Exhaust Emission Control System
This system reduces the amount of pollutants discharged into the atmosphere by the exhaust
of this engine. The fuel, ignition and exhaust systems of this engine have been carefully de-
signed and constructed to ensure an efficient engine with low exhaust pollutant levels.
Maintenance
Proper maintenance and repair are necessary to ensure that watercraft will continue to have
low emission levels. This Service Manual contains those maintenance and repair recommenda-
tions for this engine. Those items identified by the Periodic Maintenance Chart are necessary
to ensure compliance with the applicable standards.
Tampering with Emission Control System Prohibited
Federal law prohibits the following acts or the causing thereof: (1) the removal or rendering
inoperative by any person other than for purposes of maintenance, repair, or replacement, of
any device or element of design incorporated into any new engine for the purposes of emission
control prior to its sale or delivery to the ultimate purchaser or while it is in use, or (2) the use
of the engine after such device or element of design has been removed or rendered inoperative
by any person.
Among those acts presumed to constitute tampering are the acts listed below:
Do not tamper with the original emission related parts.
* Digital Transistor Ignition System
* Fuel Pump
* Spark Plugs
* Throttle Body and Internal Parts
* Fuel Injectors
* ECU