5. Remove the oil fill cap.
Oil fill cap V-drive model shown
IMPORTANT: Always use the dipstick to determine exactly how much oil is required.
6. Add the specified engine oil to bring the level up to the minimum oil fill mark on the dipstick.
Tube Ref No.
Description Where Used Part No.
139
Mercury 25W-40
Synthetic Blend 4-Stroke
Engine Oil
All MerCruiser engines 92-8M0078629
7. With the boat at rest in the water, remove the dipstick and check the oil level. Add the specified engine oil to bring the level
up to, but not over, the maximum oil fill mark on the dipstick.
8. Start the engine, run the engine for three minutes, and check for leaks. Stop the engine immediately if leaks exist. Check
the installation.
9. Allow approximately five minutes for the oil to drain into the oil pan.
10. With the boat at rest in the water, remove the dipstick and check the oil level.
11. If needed add additional oil, but not over, the maximum oil mark on the dipstick.
Transmission Fluid
Checking the Fluid Level Before Operation
IMPORTANT: Always check the fluid level before starting and operating.
Maintenance
90-8M0099748 eng DECEMBER 2015 © 2016 Mercury Marine Page 1C-11
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