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Mercury 4 FourStroke User Manual

Mercury 4 FourStroke
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MAINTENANCE
80 eng
IMPORTANT: Inspect oil for signs of contamination. Oil
contaminated with water will have a milky color to it; oil
contaminated with fuel will have a strong fuel smell. If
contaminated oil is noticed, have the engine checked by your
dealer.
a - Drain plug
OIL FILLING
IMPORTANT: Do not overfill. Be sure that the outboard is upright
(not tilted) when checking oil.
Remove the oil fill cap and refill with 450 ml (15 fl oz) of oil.
Reinstall the oil fill cap.
Idle engine for five minutes and check for leaks. Stop engine and
check oil level on dipstick. Add oil if necessary.
Gearcase Lubrication
When adding or changing gearcase lubricant, visually check for
the presence of water in the lubricant. If water is present, it may
have settled to the bottom and will drain out prior to the lubricant,
or it may be mixed with the lubricant, giving it a milky colored
appearance. If water is noticed, have the gearcase checked by
your dealer. Water in the lubricant may result in premature
bearing failure or, in freezing temperatures, will turn to ice and
damage the gearcase.
Examine the drained gearcase lubricant for metal particles. A
small amount of metal particles indicates normal gear wear. An
excessive amount of metal filings or larger particles (chips) may
indicate abnormal gear wear and should be checked by an
authorized dealer.
a
45644

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Mercury 4 FourStroke Specifications

General IconGeneral
BrandMercury
Model4 FourStroke
CategoryEngine
LanguageEnglish

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