MerCruiser 3.0 MPI User Manual

Section 5 - Maintenance
90-899883272 MARCH 2008 Page 83
• Avoid any electrical interconnection between the Mercury MerCruiser Product,
Anodic Blocks, or MerCathode System and the paint by allowing a minimum of
40 mm (1‑1/2 in.) unpainted area on transom of the boat around these items.
b
a
5578
a - Painted boat transom b - Unpainted Area on Transom
2. Painting Sterndrive Unit or Transom Assembly: Sterndrive unit and transom
assembly should be painted with a good quality marine paint or an anti‑fouling paint
that does not contain copper, tin, or any other material that could conduct electrical
current. Do not paint drain holes, anodes, MerCathode system, and items specified by
boat manufacturer.

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