The engine numbers will not identify what year the engine is. The only identifier is the frame number. Engine numbers are useless since they only denote the engine size, assembly plant, and sequence of that engine in a production run. You can go to the site below and enter the frame number into the VIN decoder to get the year and other information. Kawasaki Signature Products. Only Kawasaki Signature Products are designed, built and tested to the same rigid standards as Kawasaki engines themselves. Find parts that will fit, perform, and protect your valuable engine here. Videos. Kawasaki videos are a quick, easy way to keep up-to-date on products, improvements and innovations.