The Yamaha RX100 was launched in Mid 80's in India, and produced until 1996.[citation needed]With The Failure of Yamaha RD350 and the success of Ind-Suzuki's AX-100 in the market and masses, Yamaha realized the potential of Smaller Displacement Bikes in India. The RX-100 was launched in India in late 1985 shortly after Ind-Suzuki AX-100 and Hero Honda CD-100 were launched. Kawasaki launched KB-100 a little later, in early 1986. It was one of the most reliable and peppiest smaller displacement bike of the time. It gave tough competition To almost all bikes of that time. Many could not believe that a 100 cc engine, as claimed by the manufacturers, could deliver such raw power. people actually spread the rumour that it had a much bigger engine. It is also said That many race conductors and authorities double checked By opening The engine block to make sure It Was actually 100 CC.