A Yamaha YS 125 averages €2,000 across all model years. Right now 1 are listed for sale, with the cheapest sitting around €2,000 (typically older years) and the priciest around €2,000 (recent years). The median is €2,000. A good price for a Yamaha YS 125 is under €2,000; anything over €2,000 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €1,500 to €1,800 for this model, depending on year and condition.