Hello dear Yamaha friends, I drive a Yamaha XJ600S, year 91. Recently some repairs and TÜV were due and I had the motorcycle repaired by a free workshop and brought over the TÜV. I also had the oil changed (yes, at least that’s what I do myself). Unfortunately, too much oil was filled in. On the day after the pickup I found out at home that a fresh oil pool was under the motorcycle (also the frame was oiled below the oil pan). Even after the excess oil quantity was released the motorcycle loses after (during?!) a ride oil (before the repair it did not!). I have pointed out to the workshop owner (he also repairs himself) the circumstance and told my fear that the seal(s?) is damaged by pressing out excess oil. He argues against it: 1. Oil would lose the machine through the venting, all half as wild as possible. In addition, I could drive with too much oil motorcycle, because I can’t happen except the oil from the venting out of it. 2. Or it’s politely expressed the oil, although it’s very wildly makes me feel like oil.