Coleman F15BM Owner's Manual page 55

1. Put the outboard motor in an upright position (not tilted).
2. Prepare a suitable container that holds a larger amount than the engine oil capacity. Loosen and
remove the drain screw while holding the container under the drain hole. Then remove the oil filler
cap. Let oil drain completely. Wipe up any spilled oil immediately.
3. Put a new gasket on the oil drain screw. Tighten the drain screw.
4. Add the correct amount of oil through the filler hole. Install the filler cap.
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