Yamaha RX100 is a 98 CC two stroke single cylinder air cooled motorcycle that was manufactured between 1985 and 1996. the engine is about 98 CC 2 stroke, reed value, air cooled, single cylinder gasoline 7 port torque induction. top speed is 100 to 120 kilometer per hour. fuel capacity is 10.5 litres. production of the bike now is discontinued. it is four geared. wheel type is wire spoked. the build quality and the pickup is good. braking is poor. mileage is not that good.