Mercury Outboard Oil Change Kit – 200–400R Verado Four-Stroke (25W-40 Synthetic Blend)

The amount of oil included in this kit is adequate for most of the specifically noted Mercury outboard models. If your particular outboard requires additional oil, please be sure to purchase this separately.

Overview

A technology-specific 25W-40 marine oil formulated for the world’s first and only supercharged and intercooled outboard platform. The torque and acceleration of Mercury Verado engines demand maximum protection. Mercury 25W-40 Synthetic Blend Outboard Oil meets the stringent marine operational requirements of all Mercury/MerCruiser 4-stroke marine engines and is first in class for FC-W durability with industry-leading internal marine corrosion protection.

Kit Specifications

• Oil type: Mercury 25W-40 FC-W Synthetic Blend Marine Engine Oil
• Oil volume: 2 gallons (adequate for most listed models)
• Filter: Mercury 35-877769K01 oil filter (OEM)
• Compatibility: Designed for Mercury Verado Four-Stroke engines (200–400R HP; see years below)

Why this oil

25W-40 Synthetic Blend shows superior shear stability and lower volatility, with higher viscosity and High Temperature High Shear (HTHS) after shear versus popular competitive formulations. Many competitive blends rely on viscosity modifiers (VM) that can shear down under high RPM; Mercury’s formulation contains little to no VM, helping it maintain viscosity in high-revving, long-running conditions—improving bearing protection when the engine needs it most.

Included in this kit

• 2 gallons of Mercury FC-W 25W-40 Synthetic Blend Marine Engine Oil
• 1 × Mercury Oil Filter (35-877769K01)

Compatible engines

• 200 HP — 2005–2017
• 225 HP — 2005–2017
• 250 HP — 2005–2017
• 275 HP — 2005–2017
• 300 HP — 2007–2017
• 350 HP — 2015–2017
• 400R HP — 2015–2017

If your outboard requires additional oil, you may need to purchase extra quarts separately.

How to use this oil change kit

1. Run the engine briefly to warm the oil for easier draining.
2. Remove the drain plug and let used oil flow into a container; replace the drain plug gasket if worn.
3. Remove the old filter and install the OEM Mercury filter included in this kit.
4. Refill with the supplied Mercury 25W-40 Synthetic Blend oil.
5. Check oil level, run the motor, re-check level, and verify there are no leaks.

Always consult your Mercury owner’s manual for exact oil capacity and torque specifications.

Optional add-on: oil analysis

Want to know more about how your engine is breaking-in or wearing? Curious whether your oil is doing its job? PartsVu partners with Blackstone Laboratories to offer professional oil analysis kits. Results are typically received in a few days via email. Shop now.

Frequently Asked Questions

What is included in this Mercury Outboard Oil Change Kit?

The kit includes 2 gallons of Mercury FC-W 25W-40 Synthetic Blend Marine Engine Oil and one OEM Mercury oil filter (35-877769K01).

Which engines is this kit compatible with?

It is designed for Mercury Verado Four-Stroke outboards from 200–400R HP, covering select models built between 2005–2017.

How do I use this oil change kit?

Warm the engine, drain the oil, replace the filter with the included OEM filter, refill with the supplied Mercury oil, and check levels per your owner’s manual.

How much oil is included?

The kit includes 2 gallons, which is adequate for most compatible engines. Some models may require a small additional amount.

Why use Mercury OEM oil instead of aftermarket brands?

Mercury’s 25W-40 Synthetic Blend Oil is specifically formulated for Verado engines. It provides superior shear stability, corrosion protection, and viscosity retention under high load compared to generic marine oils.