Honda EW170 Owner's Manual page 33

d. Drain the carburetor by loosening the drain screw. Drain the gasoline
into a suitable container.
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KDRAiNSC
e. Pull the starter grip until resistance is felt; the piston is coming up on its
compression stroke. At this position, the exhaust and intake valves are
closed, and this will help protect the engine from corrosion.
STARTER GRIP
f. Change the engine oil if the unit is to be stored for more than 1 year.
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