Shell Nautilus Premium Outboard

Outboard oils · Technical sheet

Shell Nautilus Premium Outboard

NMMA TC-W3Mineral (highly refined mineral oils and additives)

Two-stroke oil for petrol outboards, for premix or oil-injection systems.

KV 40 °C
38 mm²/s
KV 100 °C
7.0 mm²/s
Flash point
70 °C

In the store from $30.00.

Use it for

  • All two-stroke petrol outboard motors, with or without a separate oil tank
  • Self-mixing; blended for oil-injection systems
  • Four-stroke outboards, which need a four-stroke oil.

Specifications and approvals

Certification

NMMA TC-W3 (registered RL-00444K)

Typical properties

Source: Shell Marine Pocketbook 2025. Typical values, not specifications.
Kinematic viscosity at 40 °C38 mm²/s
Kinematic viscosity at 100 °C7.0 mm²/s
Flash point70 °C
Pour point−35 °C
Density871 kg/m³

What Shell says it does

  • Certified to the NMMA TC-W3 standard for water-cooled two-stroke engines, which tests ring sticking and piston deposits in running engines.

Sold in the store as Nautilus Premium 2T. Use the fuel/oil ratio in the outboard maker's manual.

Shell and the Shell product names are trademarks of the Shell group of companies. Approvals and specifications vary by region and data-sheet version; always check the pack and follow the equipment maker's manual. Online payment is currently unavailable; call or email the office to order.