Oil Level-Overfilled; Filling - Mercury 6.2 Inboard MPI DTS Operation & Maintenance Manual

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3.
Inspect the dipstick for the oil level reading. The oil should be between the ADD mark and the FULL or OK range mark on
the dipstick. Install the dipstick into the dipstick tube. If the oil level is low, refer to Filling.
Oil Level—Overfilled
IMPORTANT: Do not overfill the engine with oil. An overfilled crankcase can cause a fluctuation or drop in oil pressure and
rocker arm clatter, and result in a loss of engine performance.
An overfilled crankcase (oil level too high) can cause a fluctuation or drop in oil pressure, and rocker arm clatter. This condition
results in the engine crankshaft splashing and agitating the oil, causing it to foam (become aerated). The aerated oil causes the
hydraulic valve lifters to bleed down. This results in rocker arm clatter and loss of engine performance.
Care must be taken when checking the engine oil level. The oil level must be maintained between the ADD mark and the FULL
or OK range mark on the dipstick.

Filling

IMPORTANT: Do not overfill the engine with oil. Always use the dipstick to determine the exact quantity of oil or fluid required.
1.
Remove oil fill cap.
90-8M0119292
MAY 2016
eng
In-line drive model shown
V-drive model shown
Section 4 - Maintenance
58402
58405
Page 35

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