3. Tighten the oil pump threaded fitting onto the dipstick tube threaded fitting.
a - Typical oil pump
b - Oil drain hose
c - Dipstick tube
4. Insert the end of the hose on the oil pump into an appropriate container and, using the handle, pump until the crankcase is
empty.
5. Remove the pump.
6. Install the dipstick.
Changing the Oil Filter
1. Remove and discard the oil filter.
Engine oil filter
2. Using a clean, lint‑free cloth, wipe the old oil and debris from the filter mounting flange.
3. Apply clean engine oil to the sealing ring on the new filter.
Tube Ref No.
Description Where Used Part No.
139
Mercury 25W-40
Synthetic Blend 4-Stroke
Engine Oil
Oil filter sealing ring 92-8M0078629
4. Install the oil filter. Tighten the filter securely following the filter manufacturer's instructions. Do not overtighten.
Maintenance
Page 1C-10 © 2016 Mercury Marine 90-8M0099748 eng DECEMBER 2015
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