Precisely set of exterior balance shaft structure, and tempering treatment, soft low noise, helical

equilibrium efficient driiving structure.

Use ku30×38×20 needle roller bearing. use graphite coating on piston to reduce antifriction.  Side cover same as cg, nt model, many optional covers available.

Using mature and stable cg250/nt300 electric starting mechanism.  Power and torque ranked no.1 In same category product.

Cbb200 has same suspension as yxnt200, adaptive and interchangable.  Cbb250/300 has same suspension as yxt250, adaptive and interchangable.

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