Mercury 200 Sport-Jet Operation & Maintenance Manual page 45

Upon reaching the rev limit, Engine Guardian will cut out the ignition to specific
cylinders. If the operator does not reduce engine speed, Engine Guardian will
cut out the ignition to all the cylinders. There is no audible warning while Engine
Guardian overspeed limit is active.
To reset the Engine Guardian protection:
1. Completely reduce the throttle for three seconds.
2. Engage the throttle. If the engine does not respond, repeat step 1.
SMARTCRAFT PRODUCT
A Mercury SmartCraft System instrument package can be purchased for this
outboard. A few of the functions the instrument package will display are engine
RPM, coolant temperature, oil pressure, water pressure, battery voltage, fuel
consumption, and engine operating hours.
The SmartCraft instrument package will also aid in Engine Guardian
diagnostics. The SmartCraft Instrument package will display critical engine
alarm data and potential problems.
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FEATURES AND CONTROLS
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