it is eec model, chain drive, both disc brake systems, front upside down shock absorber, with overhead cam.[...]

it is EEC model, water cooled, shaft drive, both drum brake systems[...]

it is eec and epa model, shaft drive, front disc and rear drum brake, 5 gear,air cooled.[...]

It is chain drive, both disc brake system, double a swing arm, air shock absorber, air cooled or water cooled, also can be equiped with alumnium alloy rim.[...]

it is epa model, water cooled, air shock absorber, double a swing arm, front drum and rear disc brake system.[...]