DUROMAX XP18HPE Service Manual page 25

CAUTION: Do not obstruct any ventilation openings and keep the engine in a cool
dry area.
5.
Remove spark plug
Remove spark plug as shown in "Spark Plug Maintenance" on
page 18.
6.
Add oil to cylinder
Add 2 tablespoons of 10W-30 motor oil directly into the
spark plug hole, and pull the recoil to lubricate cylinder. After
lubricating cylinder reinstall the spark plug as shown in "Spark
Plug Maintenance" on page 19.
7.
Store engine
The engine is ready to be stored in a cool dry area.
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