MerCruiser 3.0 MPI Owner's Manual page 88

Section 5 - Maintenance
Gearcase Anodic Plate ‑ Mounted on the underside of the lower gearcase.
Ventilation Plate Anode ‑ Mounted on the front of the gearcase.
Drive Mounted Anodic Block (if equipped) ‑ Mounted to underside of gimbal housing.
MerCathode System ‑ Electrode assembly replaces Anodic block. System should be
tested to ensure adequate output. The test should be performed where boat is moored,
using Quicksilver Reference Electrode and Test Meter. Contact your authorized Mercury
MerCruiser dealer.
Page 80
a - Anode
a - Anode
a
10952
a
6122
5640
90-899883272 MARCH 2008