HOA Memebership

I live in a planned unit development of 200 homes, 134 units receive services from the association such as landscaping of common areas, snow removal, and maintains parking areas for the benefit of only those residents that live in those 134 units. The other 66 units are separated from the other 134 units by a 4 lane roadway, have no common areas, have private driveways for parking which are responsibility of homeowner, and snow removal is provided by the township. Past HOA boards informally recognized this and charged a lower HOA fee for the 66 units vs the other 134. Recently the current board chose to charge the same fees to everyone on the basis of there is a single membership. We believe since the association does not maintain common areas for our benefit, nor do we receive parking and snow removal services, we should not have to "subsidize these costs for the benefit of the other 134 units and we should not have to pay the same amount. By laws state there is only 1 memebership.