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Yamaha F225 Oil & Filter Change

Fresh oil and a new filter are the cheapest insurance for your 225 hp Yamaha F225. Below is the oil filter we recommend, which F225 variants it fits, a step-by-step video of the full oil change, and what else you need for the job.

✓ Recommended for the Yamaha F225
Sierra 18-7906-1 — OIL FILTER
Fits the F225.

Check today’s price on Amazon →

✓ Fitment cross-referenced from OEM catalogs · ✓ Step-by-step video above · ✓ Fast Amazon shipping & easy returns — verify your model code before ordering

Watch: how to do it (step by step)

How to replace the oil filter on a Yamaha F225

Yamaha F225 Oil Change | Yamaha Outboard Oil Change | Boats.net

Tools Needed

  • 14mm socket wrench
  • Oil filter wrench (not explicitly mentioned, but implied)

Safety

  • Wear gloves to protect your hands from oil and potential injuries.
  • Ensure the engine is cool before starting the procedure to prevent burns.

Steps

  1. Remove the oil fill cap.
  2. Place an oil pan underneath the engine to catch the old oil.
  3. Using a 14mm socket wrench, loosen and remove the drain bolt.
  4. Extract the old crush washer from the drain bolt.
  5. Allow the oil to drain completely.
  6. Reinstall the drain bolt and torque it to 19 foot-pounds.
  7. Apply a thin layer of new oil around the o-ring of the new oil filter.
  8. Install the new oil filter by hand, ensuring the o-ring is properly seated.
  9. Torque the oil filter to 13 foot-pounds using an oil filter wrench.
  10. Fill the engine with the recommended amount and type of oil (not specified in the video).
  11. Replace the oil fill cap.

Tips

  • Always replace the crush washer on the drain bolt to ensure a proper seal.
  • Apply oil to the o-ring of the new oil filter to lubricate it and prevent damage during installation.
  • Torque the drain bolt and oil filter to their specified values to ensure a proper seal and prevent leaks.

Which part do I need for my Yamaha F225?

For most F225 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 (6)
Part number Description Fits
18-7954 4-CYCLE OUTBOARD OIL FILTERS F225 Find on Amazon →
35822626Q15 Mercury OEM 35822626Q15 (replaces Sierra 18-7906-1) F225 Find on Amazon →
822626Q15 Mercury OEM 822626Q15 (replaces Sierra 18-7906-1) F225 Find on Amazon →
822626T7 Mercury OEM 822626T7 (replaces Sierra 18-7906-1) F225 Find on Amazon →
N26-13440-00-00 Oil filter F225 Find on Amazon →
N26-13440-02-00 Oil filter F225 Find on Amazon →

Many of these are the same physical part under different brand numbers. Build years are shown where our parts data has them. Where a variant has no years, only the model code is listed. Confirm against your engine plate before ordering.

Frequently asked questions

What oil filter fits a Yamaha F225 (225 hp)?

The Yamaha F225 uses the oil filter sold as Sierra 18-7906-1, plus its OEM and aftermarket cross-references (6 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 Yamaha F225?

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 Yamaha F225?

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 Yamaha F225?

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 Yamaha F225?

About an hour for a competent DIYer. Run the engine warm first — warm oil drains faster and carries more contaminants out with it.

Ready to fix it?
Get the Sierra 18-7906-1 oil filter for your Yamaha F225.

Check today’s price on Amazon →

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As an Amazon Associate we earn from qualifying purchases — at no extra cost to you. Prices and availability are shown at checkout. This guide is for reference; always follow the engine manufacturer’s service manual.