Motorbike Performance Set. Purpose. Motorbike 4T Bike Additive is used to remove soot from the valves and the combustion chamber and is an excellent anti-corrosive additive for the motorbike fuel system even for the winter storage period. Motorbike Benzin Stabilisator is used as a fuel conserving agent for motorbikes. Properties. Set of two highly efficient fuel additives for conservation of the fuel valves of 4T motorcycles. It consists of 1 x Motorbike 4T Bike Additive (part number 1581) and 1 x Motorbike Benzin Stabilisator (part number 3041). Application. Pour the Bike Additive into the tank following the proportion one bottle for 20 liters of fuel and drive 30 - 50 km. After that, pour the Benzin Stabilisator into the tank following the proportion 5 ml for 5 liters of fuel and let the engine run for 10 minutes.