Mercury 250 Specifications download pdf (Page 69)

MAINTENANCE

Open the fuse holder and look at the silver colored band inside the

fuse. If band is broken, replace the fuse. Replace fuse with a new

fuse with the same rating.

3381

a - Good fuse

b - Blown fuse

c - SmartCraft data bus circuit ‑ 5 amp fuse

d - Accessories ‑ 20 amp fuse

e - Ignition coil circuit ‑ 20 amp fuse

f - Electric fuel pump/ECM driver power/oil pump circuit ‑ 20

amp fuse

Corrosion Control Anode

Your outboard has corrosion control anodes at different locations.

An anode helps protect the outboard against galvanic corrosion by

sacrificing its metal to be slowly corroded instead of the outboard

metals.

Each anode requires periodic inspection, especially in saltwater

which will accelerate the erosion. To maintain this corrosion

protection, always replace the anode before it is completely

eroded. Never paint or apply a protective coating on the anode as

this will reduce effectiveness of the anode.

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Mercury 250 Specifications Page 69