Gasoline, external installation, 4-Time-time, hard-to-use motors to be used in motors operating under challenging conditions. It is formulated to prevent foam and air bubbles from entering the oil cycle. It has an anti-blockage feature to protect oil filters. The standard is more rigid for standard sea vehicles oils at the following points: Style = "font-free: 10PT">- better cutting resistance to maintain lubrication performance at high temperature. Better performance against corrosion in wintering periods. 10PT ">- Oil circuit to prevent the entry of foam and air bubbles preventive properties. 10W-40