Protecting Internal Engine Components - Mercury 200 Sport-Jet Operation & Maintenance Manual

7. Using the flushing adapter, start the engine and allow the engine to run at
idle speed for 10 minutes to allow the treated fuel to fill the fuel system.

Protecting Internal Engine Components

NOTE: Make sure that the fuel system has been prepared for storage. Refer to
Fuel System
IMPORTANT: Refer to Spark Plug Inspection and Replacement for the
correct procedure for removing spark plug leads.
1. Remove the spark plugs and add approximately 30 ml (1 fl oz) of engine
oil into each spark plug hole.
2. Rotate the flywheel manually several times to distribute the oil in the
cylinders.
3. Install the spark plugs.
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STORAGE
, preceding.
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