CHENNAI: Hero Honda's motor cycle sales for the year 2005 has risen by 15.3 per cent to 29.17 lakh vehicles from 25.29 lakh vehicles in 2004. In December, the company sold 2.45 lakh motor cycles against 2.31 lakh motor cycles. Cumulative sales of motor cycles for April-December stood at 22.31 lakh vehicles against 19.36 lakh vehicles.