I m planning to buy one
Yamaha RX135 has been discontinued for now in India. Coming to the top speed part, it is found to have a official top speed between 110-120 kmph.
The Yamaha RX135 gets its power from the 132 cc engine which is able to produce 14 Bhp at 7500 rpm and 12.25 Nm at 7000 rpm. The bike shares much of its design features from the classic styled bike RX100.