Hi i have recentley brought a Genata YA 250cc the was made by your company (engine number 08092190) I need to purchase the 3 brass screws in the bottom of the carbaretor, i believe one of them does the tick over, the other does the mixture control and the other one is the main one to let the fuel through, I would be greatful if you can let me know how much it would be to send them to me as i neeed them to get my atv running again, I am in th UK, Many thanks for your time and i look foward to your fast response