A new-generation synthetic-based lubricant for outboard and inboard petrol engines, meeting specification NMMA FC-W, drawn up to comply with the requirements of combating pollution from outboard engines. Specially designed to safeguard the environment and protect the engine against humidity. Contains synthetic bases and additives giving it a very high thermal stability and high oxidation resistance. Its detergent power is able to keep the engine clean, free from lacquer or varnish deposits. The additives are also able to protect the engine against humidity damage: rust and corrosion.