Mercury 225 HP Oil & Filter Change
Fresh oil and a new filter are the cheapest insurance for your 225 hp Mercury 225 HP. Below is the exact oil filter that fits, a step-by-step video of the full oil change, and what else you need for the job.
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Watch: how to do it (step by step)
How to Replace Oil Filter – Mercury F200
69J-13440-04-00 FIT Yamaha Mercury Outboard Oil Filter F150 F200 F225 F250 225HP
Tools Needed
- New oil filter (69J-13440-04-00)
Safety
- Ensure the engine is cool before starting the replacement.
- Be cautious with the old oil as it can be hot and dirty.
Steps
- Locate the oil filter on your Mercury F200 outboard motor.
- Remove the old oil filter by turning it counterclockwise.
- Clean the area around the oil filter mount to remove any dirt or debris.
- Apply a small amount of new oil to the rubber seal of the new oil filter.
- Install the new oil filter by turning it clockwise until it is hand-tight.
- Fill the engine with the recommended amount of new oil.
- Start the engine and let it run for a few minutes to ensure proper oil circulation.
- Check for any leaks around the oil filter.
Tips
- Ensure the engine is properly supported to prevent it from tipping during the replacement.
- Dispose of the old oil and filter responsibly, following local regulations.
Which part do I need for my Mercury 225 HP?
For most 225 HP owners the part above (18-7906-1) is the right choice. Price tip: the aftermarket numbers are usually noticeably cheaper than the OEM-branded box — it is the same physical part. If you need an exact match, these compatible part numbers also fit:
Show all compatible part numbers (3)
| Part number | Description | |
|---|---|---|
| 18-7918 | OIL FILTER | Find on Amazon → |
| 358226 | Mercury OEM 35822626Q15 (replaces Sierra 18-7906-1) | Find on Amazon → |
| 822626 | Mercury OEM 822626Q15 (replaces Sierra 18-7906-1) | Find on Amazon → |
Many of these are the same physical part under different brand numbers. Confirm against your engine plate before ordering.
Frequently asked questions
What oil filter fits a Mercury 225 HP (225 hp)?
The Mercury 225 HP uses the oil filter sold as 18-7906-1, plus its OEM and aftermarket cross-references (3 compatible numbers are listed above). Confirm the number against your engine's model code and year plate before ordering.
How often should I replace the oil filter on a Mercury 225 HP?
Change the oil and filter every 100 running hours or once a season, whichever comes first (check your manual for the exact interval).
What else do I need for an oil change on a Mercury 225 HP?
The correct grade and amount of engine oil (see the manual or the video), a new drain-plug washer, a filter wrench and a drain pan or oil extractor pump. Nothing exotic — it is standard service equipment.
What are the signs the oil is overdue on a Mercury 225 HP?
Dark, gritty oil well past its interval, low-pressure warnings — and milky or grey oil, which means water is getting in and should be investigated immediately.
How long does an oil change take on a Mercury 225 HP?
About an hour for a competent DIYer. Run the engine warm first — warm oil drains faster and carries more contaminants out with it.
Related guides
- Mercury 50 HP oil filter
- Mercury 75 HP oil filter
- Mercury 25 HP oil filter
- Mercury 90 HP oil filter
- All Mercury maintenance guides
- Free Mercury boat valuation
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