Mercury – 25W-40 Oil Change Kit | 4-Stroke Yamaha F200–F250 Series | Marine Oil & Filter Set | 8M0162420

Overview

There’s a certain peace you feel when your engine is running on fresh oil — the kind of steady confidence that settles in as you pull away from the ramp and hear your motor hum without strain. If you run a Yamaha F200, F225, or F250, you already know how much these engines give back when they’re cared for properly. Mercury Marine part 8M0162420 makes that upkeep simple and dependable. Everything you need comes in one box, and every component is designed to protect your engine on those long runs, slow drifts, and everything in between. It’s the kind of maintenance step that doesn’t just check a box — it sets you up for better days on the water.

Key Features

• Complete oil change kit for Yamaha F200, F225, and F250 four-stroke outboards
• Includes five 1-liter bottles of Quicksilver 25W-40 marine engine oil (6-liter equivalent)
• Premium Quicksilver oil filter, drain plug gasket, and funnel included
• Advanced anti-wear additive package with up to 33% better camshaft protection
• Designed for long-life viscosity stability under high loads and high heat
• Meets or exceeds manufacturer specifications
• Certified NMMA FC-W and FC-W Catalyst Compatible

Engine & Boat Compatibility

Ideal for Yamaha four-stroke outboards in the following ranges:

• F200, F225, F250 engines requiring 25W-40 oil
• Boats such as offshore center consoles, bay boats, dual consoles, pontoon boats, sport fishers, and coastal cruisers
• Engines operated in warm climates, heavy-load situations, or extended running periods

Performance & Practical Benefits

When you complete an oil change using this kit, you’ll notice how the engine feels more relaxed and responsive. That’s the benefit of marine-specific oil — it’s built to endure long hours at varying throttle positions, all in an environment far tougher than an automotive engine will ever see. Quicksilver’s 25W-40 formulation keeps a tight, steady film on internal parts, helping them move smoothly without excessive heat or wear.

The engine’s idle often becomes smoother, and throttle transitions feel more consistent. High-temperature stability is one of the biggest advantages of this formula. It doesn’t thin out under heavy running, and it continues to protect even when the engine is working hard in summer heat or punching through chop.

Corrosion resistance is built into the oil as well, which matters during storage, long periods at idle, or when the weather keeps you off the water for a stretch. Internal components stay shielded from moisture — a major advantage for boaters running in saltwater or humid climates.

The included oil filter threads on cleanly, seals tightly, and maintains consistent flow. With the funnel and drain plug gasket included, the job becomes simple, clean, and frustration-free.

Why Buy OEM

There’s no guesswork with an OEM-approved kit. Every part is designed for marine use, tested under conditions far harsher than what most boaters experience, and matched to the performance needs of Yamaha’s F200–F250 engines. Aftermarket oils may look similar on the bottle, but they often fall short in viscosity stability, corrosion protection, and long-term wear control.

With Mercury Marine part 8M0162420, you’re getting oil engineered for the marine world — not repurposed for it. It’s a practical choice for boaters who want to protect their investment and avoid the nagging worry of using something “close enough.”

FAQ

Q1: Which engines does this oil change kit fit?

It’s designed for Yamaha F200, F225, and F250 four-stroke outboards.

Q2: How is this kit different from basic automotive oil options?

Marine engines face higher loads, heat, and moisture — this oil’s additive package is built for those conditions specifically.

Q3: How do I confirm it’s right for my engine?

Check your Yamaha manual — if it calls for 25W-40 marine oil, this is the correct match.

Q4: Can this oil be used in both saltwater and freshwater environments?

Yes. It offers corrosion resistance ideal for any marine setting.

Q5: Is installation easy for most boat owners?

Very. With all components in one kit, the process is straightforward and beginner-friendly.