Hello have found at ebay two engine oil ceramic additives. On the one hand Moton XT-120, which according to the offer is suitable for motorcycles with oil bath coupling and on the other hand the energytune “bike”. Here, however, the seller points out that there can be clutch slides. According to the operating instructions of my Yamaha R6 you should not attach any additives to the oil, since there can be flat clutch slides. Now my question: Has anyone already had experience with one of these two products? Or would i Do you generally advise against this? Greetings Daniel