Honda Monkey 2021 Owner's Manual page 68

Engine Oil Adding Engine Oil
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Adding Engine Oil
If the engine oil is below or near the lower
level mark, add the recommended engine oil.
P. 52, P. 103
2 2
1. Remove the oil fill cap. Add the
recommended oil until it reaches the upper
level mark.
Place your vehicle in an upright position
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on a firm, level surface when checking
the oil level.
Do not overfill above the upper level
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mark.
Make sure no foreign objects enter the
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oil filler opening.
Wipe up any spills immediately.
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2. Securely reinstall the oil fill cap.
64
NOTICE
Overfilling with oil or operating with insufficient oil can
cause damage to your engine. Do not mix different brands
and grades of oil. They may affect lubrication and clutch
operation.
For the recommended oil and oil selection
guidelines, see "Maintenance Fundamentals."
P. 52
2