Description Capacity Fluid Type
Engine oil—with filter 4.7 L (5 US qt) Mercury 25W‑40 Synthetic Blend 4‑Stroke Engine Oil
Seawater‑cooling system
winterization use only
26.5 L (28 US qt) Propylene glycol and purified water 50/50
Closed‑cooling system 17 L (17.9 US qt)
Mercury Extended Life Coolant/Antifreeze or extended‑life ethylene glycol
coolant/antifreeze mixed 50/50 with purified water
Power‑Assisted Steering and Power Trim Fluids
Approved Power-Assisted Steering Fluids
Description Part Number
Power Trim and Steering Fluid 92‑858074K01
Approved Power Trim Fluids
Description
Part Number
Power Trim and Steering Fluid 92‑858074K01
SAE Engine Oil 10W‑30
Obtain locally
SAE Engine Oil 10W‑40
Maintenance Intervals
Maintenance intervals and the corresponding tasks to be performed, as shown in this schedule, are based on an average
boating application and environment. However, individual operating habits and personal maintenance preferences can have an
impact on the suggested intervals. Therefore, it is important that the boat owner and the servicing dealer discuss the
maintenance schedule and develop appropriate maintenance intervals to coincide with individual operating habits, the
environment, and maintenance requirements.
Maintenance Schedule—Inboard Models
Routine Maintenance
NOTE: Only perform maintenance that applies to your particular power package.
Task Interval
Maintenance to Be Performed
Each day start
• Check the engine oil level. You can extend this interval based on experience with the product.
• Check the transmission fluid level.
Each day end
• If operating in saltwater, brackish water, or polluted water, flush the seawater section of the
cooling system after each use.
Weekly
• Check the water inlets for debris or marine growth.
• Check and clean the seawater strainer, if equipped.
• Check the coolant level.
• Check the transmission fluid.
Every two months or 50
hours
• If operating in saltwater, brackish water, or polluted water, apply Corrosion Guard to the
power package.
• Check the battery connections and the fluid level.
• Ensure that the gauges and the wiring connections are secure. Clean the gauges. If operating
in saltwater, reduce this interval to every 25 hours or 30 days, whichever occurs first.
Scheduled Maintenance
NOTE: Only perform maintenance that applies to your particular power package.
Task Interval
Maintenance to Be Performed
25 hours
• Change the transmission fluid. Models equipped with a transmission filter must also have the
filter changed at this time.
Maintenance
Page 1C-4 © 2016 Mercury Marine 90-8M0099748 eng DECEMBER 2015
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