Purpose and Specifications

MOTUL OUTBOARD TECH 4T 10W40 5L is a premium semi-synthetic engine oil designed for 4-stroke outboard and sterndrive boat engines. It meets NMMA FC-W standards, ensuring top protection in harsh marine conditions.

This 5-liter pack delivers practical benefits like smooth flow at cold starts down to -20°C and reliable thickness up to 130°C, keeping your engine protected during long trips or idling. It fights foam and clogs to safeguard oil filters, resists shear for consistent high-heat performance, and offers strong anti-corrosion defense against saltwater damage. High HTHS viscosity absorbs fuel dilution from extended idling, maintaining a tough oil film.

When to Use / Replace?

Use this oil in 4-stroke marine gasoline engines for everyday boating, fishing, or high-speed runs. Replace every 100-150 hours of operation or annually, whichever comes first, to keep performance peak. Shelf life is 5 years unopened in cool, dry storage.

Key Benefits:

• Flows easily at low temps (-20°C) for quick protection on chilly mornings
• Stays strong at high temps (up to 130°C) during full throttle
• Prevents rust from sea spray and moisture
• Handles fuel mix-in without breaking down

FAQ

Is MOTUL OUTBOARD TECH 4T 10W40 safe for my outboard motor?
Yes, it's formulated for 4-stroke outboards and sterndrives requiring NMMA FC-W, protecting against marine-specific stresses like saltwater and idling.

How often should I change the oil?
Change after 100-150 hours or every 12 months to maintain engine life and performance.

What's the temp range for this oil?
It performs from -20°C to 130°C, ideal for cold launches and hot running conditions.