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What are the differences between China III and China IV motorcycles?

1 Answers

KinsleyAnn

07/29/25 1:04pm

The differences between China III and China IV motorcycles: 1. Different fuel supply systems: The fuel supply system of China III motorcycles, whether carburetor or electronic fuel injection, meets the requirements; China IV models must use electronic fuel injection systems. 2. Different issuing authorities: The China III motorcycle standard was issued by the National Environmental Protection Agency; the China IV motorcycle standard was issued by the Motorcycle Branch of the China Association of Automobile Manufacturers. China IV refers to emission standards, which impose stricter requirements on the content of harmful gases in exhaust emissions, demanding fewer pollutants. The registration application for China III standard vehicles has been stopped. Under the new standard, China IV motorcycles have further improved the durability requirements for emission control to ensure that future motorcycles are cleaner and more environmentally friendly.

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