Honda Power Products WB20XT Guide De L'utilisateur page 30

<WB30XT>
a. Place an approved gasoline container below the carburetor, and
use a funnel to avoid spilling fuel.
b. Move the fuel valve lever to the ON position and loosen the
carburetor drain bolt by turning 1 to 2 turns counter clockwise.
DRAIN SCREW
c. After all fuel has drained, tighten the carburetor drain bolt
securely,move the fuel valve lever to the OFF position.
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 resistance is felt. 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.
WASHER
FUEL VALVE LEVER
ON
Align the mark on the starter pulley
with the hole at the top of recoil
starter.
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