Yamaha engine oil 4 stroke 4ltr, 90790-BS456

Yamaha part 90790-BS456 refers to genuine Yamaha Yamalube 4-Stroke Marine Engine Oil — a 4-liter container of 10W-40 engine oil specifically formulated for 4-stroke outboard and marine engines.

????️ What it is

Yamalube 4-Stroke Oil (SAE 10W-40) – 4 L

• OEM Part Number: 90790-BS456

• Type: 4-stroke marine engine oil (mineral)

• Viscosity: SAE 10W-40 — designed for a wide range of operating temperatures.

• Container Size: 4 liters (4 L).

• Designed for use in Yamaha 4-stroke outboard engines and other compatible marine 4-stroke motors to provide lubrication, wear protection, and corrosion resistance.

⚙️ Typical uses

✅ 4-stroke Yamaha outboard and marine engines
✅ Helps reduce internal friction, protect against wear, and promote engine longevity
✅ Suitable for normal to strenuous marine conditions