Honda WT20X Owner's Manual page 42

4. Change the engine oil.
5. 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.
6. Pull the starter grip slowly until resistance is felt. At this point, the intake and
exhaust valves are closed, this will help to protect the engine from internal
corrosion.
7. Cover the pump to keep out dust.
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