Accurately set built-in balance shaft mechanism to eliminate first order vibration; Small overall dimension and small vibration;

Using silent chains, the engine is quieter;

The left and right cover styles are the same as CG models, with various styles;

Special main and auxiliary shafts with large modulus and large load are adopted, resulting in higher reliability;

Optimized cylinder head intake port design, strong engine performance;

Extremely cost-effective, the first CB in China has a built-in balance engine.

The exhaust port is irregular and skewed, suitable for special vehicles