1. Very light. 50-90cc below 100, including 50, 70, 80, 90, etc.

2.light. Small displacement-100- 150 cc, including 100,10, 125, 150.

3. Medium and small displacement, 200-400cc, including 200,250,300,400, etc.

4. Large displacement. 500-900cc, including 500,600,750,900, etc.

5. Publicity. 1000cc or more, and 1000,100, 1250, 1300, etc.

Motorcycle exhaust volume refers to the cylinder volume of the engine in milliliters, and the number in the motorcycle model name represents the exhaust volume. Example: "Jialing 125" refers to the displacement of 125CC. The greater the displacement, the greater the engine power. From the outside, the cylinder is the part between the crankcase and the cylinder head, marked with 108 or 109, namely 1 10cc and 124, namely 125cc.