Mercury MERCRUISER - Identification; Engine Serial Number Decal MPI; Alpha Sterndrive Decal Identification

Section 2 - Getting to Know Your Power Package
Page 20 90-864197076 NOVEMBER 2008
Identification
The serial numbers are the manufacture's keys to numerous engineering details which apply to your MerCruiser power package.
When contacting MerCruiser about service, always specify model and serial numbers.
Engine Serial Number Decal MPI
The serial number decal is located on the engine cover.
25903
Serial numbers and maintenance color codes decal
The engine serial number is also stamped in the engine block.
Alpha Sterndrive Decal Identification
The Drive Serial No. is located on the port side of the alpha sterndrive.
The Drive Ratio is located on the starboard side of the alpha sterndrive.
Alpha sterndrive
a - Drive gear ratio decal (starboard)
b - Serial number decal (port)
b
a
25681