Swen Ahnendorp Tuning 

“After opening the engine block, we looked at the deposits on valves, bearings, etc. No abnormalities were found. 

The VROOAM VR90 lubrication properties of essential parts delivers at least the same performance as comparable professional motorcycle engine oils. 

After revision of the engine block, the engines were tested on the test bench, VROOAM VR90 delivers superb performance and power output.”