Open to all riders from the year of their 6^th birthday, to 31 December of the year in which their 10^th birthday occurs. Limited to 3.5 hp air-cooled Chinese CAG type bikes. Any production reeds, air box, clutch, wheels. Restricted to tires (with or without pattern) of an Asian manufacturer. Brake levers may be switched from their factory fitted side, but front and rear brakes must operate independently of each other and no single lever may control more than one brake disk. The use of hydraulic brakes is prohibited. The use of tyre warmers is prohibited.

Open to all riders from the year of their 11^th birthday, to 31 December of the year in which their 15^th birthday occurs. Limited to 3.5 hp air-cooled Chinese CAG type bikes. Any production reeds, air box, clutch, wheels. Restricted to tires (with or without pattern) of an Asian manufacturer. Brake levers may be switched from their factory fitted side, but front and rear brakes must operate independently of each other and no single lever may control more than one brake disk. The use of hydraulic brakes is prohibited. The use of tyre warmers is prohibited.

Open to all riders from the year of their 6^th birthday, to 31 December of the year in which their 15^th birthday occurs. Limited to 4.0 hp air-cooled engines. Any production reeds, air box, clutch, wheels, tires (with or without pattern). Brake levers may be switched from their factory fitted side, but front and rear brakes must operate independently of each other and no single lever may control more than one brake disk. The use of hydraulic brakes is prohibited.

Open to all riders from the year of their 6^th birthday, to 31 December of the year in which their 15^th birthday occurs. Limited to 9.0 hp air-cooled engines. Any production reeds, air box, clutch, wheels, tires (with or without pattern). Brake levers may be switched from their factory fitted side, but front and rear brakes must operate independently of each other and no single lever may control more than one brake disk. The use of hydraulic brakes is prohibited.

Open to all riders from the year of their 6^th birthday, to 31 December of the year in which their 15^th birthday occurs. Limited to 11.0 hp. Open to both air-cooled and water-cooled engines. Any production reeds, air box, clutch, wheels, tires (with or without pattern). Brake levers may be switched from their factory fitted side, but front and rear brakes must operate independently of each other and no single lever may control more than one brake disk.

Open to all riders from the year of their 16^th birthday. Limited to 3.8 hp air-cooled Chinese CAG type bikes. Any production reeds, air box, clutch, wheels. Restricted to tires (with or without pattern) of an Asian manufacturer. Brake levers may be switched from their factory fitted side, but front and rear brakes must operate independently of each other and no single lever may control more than one brake disk. The use of hydraulic brakes is prohibited. The use of tyre warmers is prohibited.

Open to all riders from the year of their 16^th birthday. Limited to air-cooled engines of Chinese CAG origin and Chinese CAG type bikes. Modifications may be made provided that all parts are of Chinese origin / homemade and/or intended for use on commonly accepted Chinese CAG type bikes. There will be no horsepower restriction. The capacity of the motor may not exceed 50cc. Tires can be with or without pattern and of any manufacturer. Brake levers may be switched from their factory fitted side, but front and rear brakes must operate independently of each other and no single lever may control more than one brake disk. The use of hydraulic brakes is prohibited.

Open to all riders from the year of their 16^th birthday. Limited to 8.0 hp. Open to both air-cooled and water-cooled engines. Any production reeds, air box, clutch, wheels, tires (with or without pattern). Brake levers may be switched from their factory fitted side, but front and rear brakes must operate independently of each other and no single lever may control more than one brake disk.

Open to all riders from the year of their 16^th birthday. Limited to 11.0 hp. Open to both air-cooled and water-cooled engines. Any production reeds, air box, clutch, wheels, tires (with or without pattern). Brake levers may be switched from their factory fitted side, but front and rear brakes must operate independently of each other and no single lever may control more than one brake disk.

Open to all riders from the year of their 16^th birthday. Open to both air-cooled and water-cooled engines with a capacity of no greater than 50cc. Carburettor shall be no greater than 21mm. Any production reeds, air box, clutch, wheels, tires (with or without pattern). Brake levers may be switched from their factory fitted side, but front and rear brakes must operate independently of each other and no single lever may control more than one brake disk.