EERSTA 4T RS Ester+ 5W-50 is a new generation full-synthetic engine oil made for four-stroke motorcycles, formulated with full PAO and Ester base oils, combined with highest quality additives to achieve the following properties:

• high and stable viscosity index
• optimal friction characteristics
• superb protection against wear, corrosion and foaming
• excellent detergency and dispersion

This oil is special developed for the lubrication of four-stroke motorcycles, so that sliding, sticking and/or rough changing of the clutch-plates no longer occurs. This oil is developed and tested in co-operation with the most important motorcycle producers and has its performance demonstrated in the field.