Honda WH15X Owner's Manual page 31

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 until you feel resistance. Continue pulling until
the notch on the starter pulley aligns with the hole on the recoil
starter (see illustration below). At this point, the intake and exhaust
valves are closed, and this will help to protect the engine from
internal corrosion.
7. Cover the pump to keep out dust.
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Align the mark on the starter pulley
with the hole at the top of recoil
starter.