The Yamaha YZF-R125 is currently not available in any state of India as Yamaha is currently not in a hurry to launch a bike which has no defined segment and a negligible price difference from the R15. You can go for R15 in that case as it comes with a bigger engine and smoother drive. R125 has a 124.7 cc, liquid cooled and fuel injected engine producing 14.8 BHP and 12.4 NM of torque. It gets a top speed of 126 kmph. You can consider R15 as it produces 16.8 BHP and 15 NM of torque.