Honda WX15 Owner's Manual page 38

4. Change the engine oil (see page 28).
5. Clean the air cleaner (see page 29).
6. Remove the spark plug, and pour about a tablespoon of clean
engine oil into the cylinder. Crank the engine several revolutions to
distribute the oil, then reinstall the spark plug.
7. Pull the starter grip until you feel resistance and the notch on the
flywheel fin aligns with the mark on the fan cover. This closes the
valves so moisture cannot enter the engine cylinder, and protects
the engine from dust and corrosion. Return the starter rope gently.
8. Cover the pump to keep out dust.
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Align the notch on the flywheel fin
with the mark on the fan cover.