Jawa 50 223.200 Mustang Hungary export, exported as "moped" due to reduced max speed 40km/h (2hp/4.5000 rpm) and none horn and rear footpegs. Normal CS model 60km/h (60 in papers but it can do 75 sometimes 80), 3.5hp/3.5000 rpm and have horn, rear footpegs. If u wan to have 3.5 hp just drill holes into "knee" from the carburator to the cylinder.