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If Engine Guardian has been activated, reduce the engine speed. The problem will need to be identified and corrected. The
system must be reset before the engine will operate at higher speeds. Moving the throttle lever back to the idle position will
reset the Engine Guardian system. If the Engine Guardian system has determined the reset has not corrected the problem,
Engine Guardian will remain activated, limiting the throttle. The problem must be identified and corrected before Engine
Guardian will allow the engine to reach a normal operating RPM.
Identification
The serial numbers are the manufacturer's keys to numerous engineering details that apply to your Mercury Marine power
package. When contacting Mercury Marine about service, always specify model and serial numbers.
Specifications Label
A specifications label on the top of the engine cover provides quick reference information for the engine and drive with color
codes that identify where to check specific types of fluids and the belt routing. A QR code can be scanned with a smartphone
for more engine information.
Data Label Location
The engine data label is located on the front of the engine, as shown below.
Engine Data Label
A tamper‑resistant engine data label is affixed to the engine at the time of manufacture. It contains important information. Note
that the engine data label will not affect the fit, function, or performance of the engine and neither boatbuilders nor dealers may
remove the engine data label or the engine component it is affixed to before sale. If modifications are necessary or the engine
data label is damaged, contact Mercury Marine about the availability of a replacement.
90-8M0089579
MARCH 2014
eng
a
b
Section 2 - Getting to Know Your Power Package
53033
a -
Serial number and part
number label, with bar codes
b -
Engine data label
50480
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