A Kawasaki J 300 averages €4,234 across all model years. Right now 4 are listed for sale, with the cheapest sitting around €3,990 (typically older years) and the priciest around €4,499 (recent years). The median is €4,222. A good price for a Kawasaki J 300 is under €3,994; anything over €4,462 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €3,167 to €3,800 for this model, depending on year and condition.