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Mercury 3.0 MPI ECT User Manual

Mercury 3.0 MPI ECT
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Section 4 - Maintenance
Page 52 90-8M0113856 eng DECEMBER 2015
11. Start and operate the engine for three minutes, checking for leaks.
12. Stop the engine and allow the oil to drain into the oil pan for approximately five minutes with the boat at rest in the water.
13. Check the oil level and add more if necessary.
Engine Oil—3.0 TKS
Checking and Filling
1. Stop the engine. Allow approximately five minutes for the oil to drain into the oil pan. The boat must be at rest in the water.
IMPORTANT: Always use the dipstick to determine the exact quantity of oil or fluid required.
2. Remove the dipstick, wipe it clean, and install into the dipstick tube. Wait 60 seconds to allow trapped air to vent.
NOTE: Install the dipstick with the oil level indication marks facing the rear of the engine (flywheel end).
a - Dipstick tube
3. Remove the dipstick and observe the oil level.
4. If the level is below the add mark, remove the oil fill cap and add the specified oil to bring the level up to the OK range on
the dipstick. Check the oil level as you fill the system.
IMPORTANT: Do not overfill the engine with oil.
a - Oil fill cap
Engine Model Capacity Fluid Type
3.0 TKS 3.8 L (4 US qt)
Mercury/Quicksilver 25W‑40 Synthetic Blend Engine Oil, NMMA FC‑W Catalyst
Compatible rated
5. Install the dipstick into the dipstick tube.
6. Install the oil fill cap.
Changing the Oil and Filter
IMPORTANT: Change the engine oil when the engine is warm from operation. Warm oil flows more freely, carrying away more
impurities. Use only the recommended engine oil.
IMPORTANT: Always use the dipstick to determine exactly how much oil is required.
1. Loosen the oil filter to vent the system.
2. Remove the dipstick.
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7150
a
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Mercury 3.0 MPI ECT Specifications

General IconGeneral
BrandMercury
Model3.0 MPI ECT
CategoryOutboard Motor
LanguageEnglish

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