Suzuki Motorcycle Ruishuang 125, the weather is hot now. When it starts for the first time, you have to open the air door before it rings.

A cold motorcycle refers to the engine temperature, not the hot or cold weather. As long as the temperature completely drops after a certain period of time after the engine is turned off, the motorcycle is cold. At this time, the atomization quality of the inhaled mixture will It will drop and be difficult to ignite, so you need to pull the damper to make the mixture thicker, which is normal. Since carburetor cars are not like EFI, which can automatically change the mixture concentration according to the engine temperature and combustion conditions, it is necessary to manually operate the damper to change the mixture in a timely manner. When the car is cold, the mixture will be thicker, which is beneficial to starting. When the car is hot, the mixture will be thicker. A thinner mixture at the rear of the car is beneficial to fuel economy and normal driving.