High Quality Content by WIKIPEDIA articles! In 1988, Kawasaki (Kawasaki Heavy Industries) produced a 2-stroke (road racing replica) motorcycle following on from earlier KR250 family models of the 1970s and 1980s Launch order KR250 > KR250S > KR-1 > KR-1S / KR-1R The initial models were the B1, B2 series of the KR-1 In 1989, due to the sales success and updated models of competing manufacturers (RGV, NSR, TZR) the KR-1 (B series) evolved into the KR-1S and KR-1R (C, D series) The C1, C2, C3 and D1, D2 models shared the same engine (minor updates) and bodywork (different colour schemes) of the previous KR-1 The S and R models differed slightly... in construction of frame, wheels, brakes, and colour schemes The engine for all KR-1 models was a 2-cylinder, reed valve induction 2-stroke motor of 249 cc (somewhat based on the previous TZ/TZR configuration). The 180° firing parallel twin configuration featured a crank driven balancer shaft. The power delivery was broadened with the use of...