Quote Originally Posted by prince666 View Post
The reason I ask about the KW and NM on the X1 is that I modified my engine on the Yamaha YBR KG 125cc to obtain 10 KW and 22.4 NM.
how did you amend the bike documents or is the modded bike used on closed circuits only now as a track bike, modifying engines and increasing displacement is illegal in China.

Ride safe! PAL