Yamaha Oil Change Kit – 20W-40 – F2.5, F4, F6, F8, F9.9 & T9.9

Keep your small Yamaha outboard running strong with this genuine Yamaha oil change kit. Designed specifically for portable and lightweight Yamaha engines, this kit includes everything you need for a clean and reliable oil change.

Yamaha 9.9 oil capacity

Yamaha 9.9 oil capacity varies by model generation, engine family, and whether the oil filter is serviced. Use the capacity listed in the owner’s manual for your exact F9.9 or T9.9 model, then check the final oil level on the dipstick after refilling.

When ordering an oil change kit, confirm that it matches your Yamaha 9.9hp model, shaft configuration, oil viscosity requirement, and service interval.

Kit Includes

• Yamalube 20W-40 4M Outboard Mineral Engine Oil (NMMA FC-W certified)
• Drain bolt gasket (prevents oil leaks after servicing)

The oil quantity included is sufficient for most of the listed Yamaha outboard models. If your engine requires more oil, be sure to purchase an extra quart.

Compatible Yamaha Outboard Models

• F2.5
• F4
• F6
• F8
• F9.9
• T9.9

Covers model years 2009–current (verify against your owner’s manual for exact fit).

Why Choose Yamalube 4M 20W-40?

Yamaha outboards run harder than car engines—often at 4,500–6,000 rpm for extended periods, compared to 2,500 rpm for automobiles. Ordinary automotive oil is not designed for this environment.

Advantages of Yamalube 20W-40 4M:

• FC-W certified for marine lubrication standards
• Excellent protection against rust and corrosion in saltwater environments
• High thermal stability and anti-foaming protection
• Longer-lasting protection at higher RPMs
• Reduced wear on moving parts and improved overall engine life

Usage & Maintenance

• First oil change: 20 hours of operation
• Routine oil change: Every 100 hours or once per season
• Follow Yamaha’s service manual for oil drain, filter replacement, and refill steps

Frequently Asked Questions

 

What’s included in the Yamaha Oil Change Kit?

The kit comes with Yamalube 20W-40 4M engine oil and a drain bolt gasket.

Which Yamaha models are compatible with this kit?

This kit is designed for Yamaha F2.5, F4, F6, F8, F9.9, and T9.9 outboard motors (2009–current).

How often should I use this oil change kit?

Change oil at 20 hours initially, and then every 100 hours or once per boating season.

What is the difference between 20W-40 and 10W-30 Yamalube?

20W-40 is often recommended for warmer climates and higher-load applications, while 10W-30 is suited for a wider range of temperatures. Both meet Yamaha’s FC-W marine oil standards.

Where can I buy this kit?

Available through YamahaOnlineParts.com and other authorized Yamaha dealers.