MerCruiser 3.0 MPI User Manual

Section 2 - Getting to Know Your Power Package
90-899883272 MARCH 2008 Page 21
Engine Serial Number Decal
The serial number decal is located on the aft portion of the starboard side of the block, near
the starter motor.
32121
The engine, transom, and drive serial numbers are also located on the engine identification
plate.
a
b
c
32636
a - Engine serial number
b - Transom serial number
c - Drive serial number

MerCruiser 3.0 MPI Specifications

General

Horsepower	135 hp (101 kW)
Ignition	Electronic
Cylinders	4
Aspiration	Naturally Aspirated
Compression Ratio	9.3:1
Full Throttle RPM	4400-4800 RPM
Displacement	3.0L / 181 CID
Fuel System	Multi-Port Injection (MPI)
Bore x Stroke	4.00" x 3.60" (101.6mm x 91.4mm)
Fuel Requirement	87 Octane Minimum
Engine Type	Inline 4
Cooling System	Raw water
Alternator Output	65 amp