Castrol Outboard 2T is an ashless, self-mixing 2-stroke engine lubricant, specially formulated for use in water cooled two stroke marine outboard engines. Castrol Outboard 2T is certified NMMA TC-W3®.
The trend towards decreased oil/fuel ratios, increased power output and the adoption of unleaded petrol has resulted in a requirement for improved lubricant performance for outboard engines. The product is formulated with a Sulfated Ash level of less than 0.005%.
