Suzuki Marine by Motul 10W30 Marine Tech 4T SpecificationApproved by Suzuki this oil is specially formulated for outboard 4-stroke gasoline engines operating under severe conditions. It complies with the API SL Suzuki Marine and NMMA FC-W standards. The latter very demanding ensures a better resistance of the film of oil to high temperature and phases of prolonged idle. It also has properties fighting against corrosion caused by seawater or salt spray which can go up into the combustion chamber via the exhaust. Its anti-foaming and anti-clogging action prevent the introduction of air bubbles into the oil circuit and maintains optimum oil pressure even with an end-of-life oil filter.