2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Manual, PN 5005483, Page 49Get this manual
MAINTENANCE SAFETY INFORMATION
SAFETY INFORMATION
Before working on any part of the outboard, first read the SAFETY section at the end of this manual
ANTICORROSION PROTECTION
Sacrificial Anodes
Galvanic corrosion occurs in fresh or salt waterSalt, brackish, and polluted water can accelerate corrosion"Sacrificial" anodes are intended to protect the underwater metal components of the outboard from galvanic corrosionTo increase the duration of the anode protection, the 55WRL model includes an additional anode mounted at the top, front of the gearcaseVisually inspect anodes and metal components below water levelErosion of anodes is normal and indicates the anodes are functioning properly&
WARNING