Section 5 - Maintenance
90-899883272 MARCH 2008 Page 57
4. With the boat at rest in the water, remove the oil fill cap and add the specified oil to
bring the level up to the OK range on the dipstick. Recheck the oil level as you fill the
system.
IMPORTANT: Do not overfill the engine with oil.
NOTE: Adding 0.95 L (1 qt) of engine oil will raise the level from the add mark to the top
of the OK range.
Engine Model Capacity Fluid Type
3.0 MPI 3.8 L ( 4 US qt) Mercury Full‑Synthetic MerCruiser Oil, 20W‑40
5. Start and operate the engine for three minutes, checking for leaks.
6. 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.
7. Check the oil level and add more if necessary.
Power‑Assisted Steering Fluid
Checking
1. Stop the engine and center the sterndrive unit.
2. Remove the fill cap from the power steering pump reservoir and observe the level. The
oil level must be at the lower mark when the engine is cold and at the upper mark when
the engine is warm.
a - Power steering pump reservoir
cap
b - Warm full mark
c - Cold full mark
3. Add the specified fluid if required. Refer to Filling.
IMPORTANT: If fluid is not visible in pump, contact your authorized Mercury MerCruiser
dealer.
Filling
1. Remove the fill cap and dipstick and observe the fluid level.
2. Add the specified fluid to bring the fluid level up to the proper level.
Tube Ref No.
Description Where Used Part No.
114
Power Trim and Steering Fluid Power-assisted steering pump 92-858074K01
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