09 Yamaha r 1 Cold car is difficult to start.

The reason why it is difficult to start a cold car is that the engine has too much carbon deposit. Uneven fuel quality and congested urban road conditions are the reasons for carbon deposition.

Tips: In order to make the engine work better, you should pay more attention to the maintenance of the vehicle and clean up the carbon deposits everywhere in the engine regularly. Only in this way, when the weather turns cold, the vehicle can start smoothly and avoid trouble.