A Kawasaki J 300 averages €4,724 across all model years. Right now 2 are listed for sale, with the cheapest sitting around €4,499 (typically older years) and the priciest around €4,950 (recent years). The median is €4,724. A good price for a Kawasaki J 300 is under €4,612; anything over €4,837 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €3,543 to €4,252 for this model, depending on year and condition.