Shell Nautilus Premium Outboard is a high-performance two-stroke engine oil designed for gasoline outboard motors, offering self-mixing capabilities, low ash content, and certified TC-W3® performance for long-lasting and reliable marine engine protection.
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Shell Nautilus Premium Outboard

Shell Nautilus Premium Outboard is a high-performance two-stroke engine oil designed for gasoline outboard motors, offering self-mixing capabilities, low ash content, and certified TC-W3® performance for long-lasting and reliable marine engine protection.

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Shell Nautilus Premium Outboard

Premium Two-Stroke Outboard Oil for Marine Gasoline Engines

Delivers reliable performance in all two-stroke outboard engines with or without oil injection systems.

  • Certified by NMMA for TC-W3® service at fuel/oil ratios up to 100:1

  • Suitable for both premix and oil injection systems

  • Low ash content (0.01%) protects spark plugs and combustion chambers

  • Self-mixing formula for simplified operation and consistent oil delivery

  • Designed for long engine life and prevention of piston scuffing or deposits

  • Pour point: -35°C | Flash point: 70°C | Density @15°C: 870 kg/m³

  • Viscosity @ 40°C: 55 mm²/s | Viscosity @ 100°C: 8.9 mm²/s

Global Product Code: 001A0380



Application:

Shell Nautilus Premium Outboard is a premium two-stroke engine oil specifically formulated for gasoline-powered outboard motors. Certified for TC-W3® performance by the National Marine Manufacturers Association (NMMA), it is suitable for both premix and oil injection systems, delivering exceptional protection, cleanliness, and reliability in marine environments.

Performance Features & Benefits:

  • NMMA TC-W3® Certified: Meets and exceeds marine industry standards for two-stroke outboard engine oils.
  • Self-Mixing Formula: Designed to automatically blend with fuel in both premix and oil injection systems.
  • Low Ash Content: Minimizes spark plug fouling and combustion chamber deposits (Sulphated Ash: 0.01%).
  • Reliable Engine Protection: Helps prevent piston scuffing, wear, and deposits even under high-load operation.
  • Wide Compatibility: Suitable for all gasoline-powered two-stroke outboard motors, regardless of oil tank configuration.

Main Application Areas:

  • All two-stroke gasoline outboard marine engines
  • Engines with or without separate oil tanks
  • Outboard motors operating under high-load or prolonged use

Usage Instructions:

  • Follow the manufacturer’s recommended fuel/oil ratio (up to 100:1).
  • Use in accordance with engine manual for either premix or oil injection systems.
  • Consult Shell Technical Helpdesk for additional OEM-specific guidance.

Environmental & Safety Information:

  • Shell Nautilus Premium Outboard is safe when used as recommended. Avoid skin contact with used oil; use gloves when handling.
  • Dispose of used oil at authorized collection points. Do not discharge into the environment.

Technical Specifications:

Feature Specification
Viscosity Grade Two-stroke TC-W3®
Kinematic Viscosity @ 40°C 55 mm²/s
Kinematic Viscosity @ 100°C 8.9 mm²/s
Density @ 15°C 870 kg/m³
Flash Point (PMCC) 70°C
Pour Point -35°C
Sulphated Ash 0.01%
Specifications & Approvals NMMA Certified TC-W3®
Meets/exceeds all major outboard motor manufacturer standards
(For registration details, consult Shell Technical Helpdesk)

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