Honda HARMONY HRB215PXA Owner's Manual page 50

MAINTENANCE
Using nondetergent oil can shorten the engine's service life, and
using 2-stroke oil can damage the engine.
SAE 1 OW-30 is recommended for general use. Other viscosities
shown in the chart (previous page) may be used when the average
temperature in your area is within the indicated range.
5. After changing the engine oil, and before starting the engine, check
the oil level with the mower on a level surface:
a. Wipe the dipstick clean.
b. Insert and remove the dipstick without screwing it into the filler
neck. Check the oil level shown on the dipstick.
c. If the oil level is low, add oil to reach the upper limit mark on the
dipstick. Do not overfill. If the engine is overfilled, the excess oil
may get transferred to the air cleaner housing and air cleaner
elements.
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Running the engine with a low oil level can cause engine
damage.
d. Screw in the filler cap/dipstick securely.
UPPER LIMIT
LOWER LIMIT
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