Is it likely that the Moto Roma 125 (chinese motorbike) is heavier than it says in its specs?

I have a Moto Roma 125 and a 1982 Honda xl 250. The Honda xl 250 says it weighs 130 kilograms and the Moto Roma 125 says it only weighs 115 kilograms, the things is the Moto Roma is without a shadow of doubt heavier by a good bit than the Honda. Is the book for the Moto Roma lying or something else.

No. If anything it will be heavier.