MAINTENANCE
Page 1B-6 90-827242R20 FEBRUARY 2003
Corrosion Control Anode
The outboard has a corrosion control anode installed to the gear case. An anode helps
protect the outboard against galvanic corrosion by sacrificing its metal to be slowly eroded
instead of the outboard metals.
1. The anode requires periodic inspection especially in salt water 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.
a
a-Anode
Spark Plug Inspection
Inspect spark plugs at the recommended intervals.
1. Remove the spark plug leads by twisting the rubber boots slightly and pull off.
2. Remove the spark plugs to inspect and clean. Replace spark plug if electrode is worn
or the insulator is rough, cracked, broken, blistered or fouled.
3. Set the spark plug gap. See Specification Chart in General Information Section.
4. Before reinstalling spark plugs, clean away dirt on the spark plug seats. Install plugs
finger tight, and tighten 1/4 turn or torque to 27 N·m (20 lb. ft.).
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