Wolver Tornado 4T Outboard 10W-30 is the high performance motor oil for 4-stroke outboard engines. It provides superior lubricating and protecting properties. 
Wolver Tornado 4T Outboard 10W-30 meets the requirements of the National Marine Manufacturers Association NMMA FC-W and recommended for FC-W fluids in all outboard engines. 
It can also be used for engines operating in seawater.
Characteristics:
An excellent lubrication of all parts of the engine;
Proper lubrication of all engine parts;
A strong detergency and clean burning with no deposits;
Good cold starting;
A very high-wear, oxidation and corrosion protection;
Excellent shear stability;
Corrosion protection in all oil-wetted engine parts;
Immediate and homogeneous mixing with the fuel used (including lead-free);
An adhesive, pressure-and temperature-resistant oil film;
Excellent anti-wear properties.
Application:
boats working in fresh and seawater.