Hey I have a balius with a zxr engine i think it's A model could you explain the vacuum hoses please I have the bike less than a week and can't seem to find anything about A model only C the CDI number is 21119-1383 Also there's no vacuum pump cylinder 1 and 4 are going to a T then to petcock 2 and 3 are joined with no T the 2 top hoses going to airbox there is 2 connection left a right of carburetor for hoses not sure what there for
